diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..39c7589
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,51 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+env:
+  ENABLE_UPX: 1
+
+jobs:
+  release:
+    name: Release Binary
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '^1.24'
+
+      - name: Cache go module
+        uses: actions/cache@v3
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+
+      - name: Install UPX
+        uses: crazy-max/ghaction-upx@v3
+        with:
+          install-only: true
+
+      - name: Build Package
+        run: |
+          ./script/package.sh
+
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          files: packages/*
+          draft: true
+          prerelease: true
diff --git a/.gitignore b/.gitignore
index 6f72f89..d4b8f7e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,9 @@ go.work.sum
 
 # env file
 .env
+
+# syncthing files
+.stfolder
+
+chatlog
+chatlog.exe
\ No newline at end of file
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..87be8d0
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,54 @@
+BINARY_NAME := chatlog
+GO := go
+ifeq ($(VERSION),)
+	VERSION := $(shell git describe --tags --always --dirty="-dev")
+endif
+LDFLAGS := -ldflags '-X "github.com/sjzar/chatlog/pkg/version.Version=$(VERSION)" -w -s'
+
+PLATFORMS := \
+	windows/amd64 \
+	windows/arm64
+
+UPX_PLATFORMS := \
+	windows/386 \
+	windows/amd64
+
+.PHONY: all clean lint tidy test build crossbuild upx
+
+all: clean lint tidy test build
+
+clean:
+	@echo "🧹 Cleaning..."
+	@rm -rf bin/
+
+lint:
+	@echo "🕵️‍♂️ Running linters..."
+	golangci-lint run ./...
+
+tidy:
+	@echo "🧼 Tidying up dependencies..."
+	$(GO) mod tidy
+
+test:
+	@echo "🧪 Running tests..."
+	$(GO) test ./... -cover
+
+build:
+	@echo "🔨 Building for current platform..."
+	$(GO) build -trimpath $(LDFLAGS) -o bin/$(BINARY_NAME) main.go
+
+crossbuild: clean
+	@echo "🌍 Building for multiple platforms..."
+	for platform in $(PLATFORMS); do \
+		os=$$(echo $$platform | cut -d/ -f1); \
+		arch=$$(echo $$platform | cut -d/ -f2); \
+		float=$$(echo $$platform | cut -d/ -f3); \
+		output_name=bin/chatlog_$${os}_$${arch}; \
+		[ "$$float" != "" ] && output_name=$$output_name_$$float; \
+		echo "🔨 Building for $$os/$$arch..."; \
+		echo "🔨 Building for $$output_name..."; \
+		GOOS=$$os GOARCH=$$arch GOARM=$$float $(GO) build -trimpath $(LDFLAGS) -o $$output_name main.go ; \
+		if [ "$(ENABLE_UPX)" = "1" ] && echo "$(UPX_PLATFORMS)" | grep -q "$$os/$$arch"; then \
+			echo "⚙️ Compressing binary $$output_name..." && upx --best $$output_name; \
+		fi; \
+	done
\ No newline at end of file
diff --git a/README.md b/README.md
index 3ab5b02..d28dc67 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,140 @@
-# chatlog
\ No newline at end of file
+# Chatlog
+
+Chatlog 是一个聊天记录收集、分析的开源工具，旨在帮助用户更好地利用自己的聊天数据。  
+目前支持微信聊天记录的解密和查询，提供 Terminal UI 界面和 HTTP API 服务，让您可以方便地访问和分析聊天数据。
+
+## 功能特点
+
+- **数据收集**：从本地数据库文件中获取聊天数据
+- **终端界面**：提供简洁的 Terminal UI，方便直接操作
+- **HTTP API**：提供 API 接口，支持查询聊天记录、联系人和群聊信息
+- **MCP 支持**：实现 Model Context Protocol，可与支持 MCP 的 AI 助手无缝集成
+- **多格式输出**：支持 JSON、CSV、纯文本等多种输出格式
+
+## 安装
+
+### 从源码安装
+
+```bash
+go install github.com/sjzar/chatlog@latest
+```
+
+### 下载预编译版本
+
+访问 [Releases](https://github.com/sjzar/chatlog/releases) 页面下载适合您系统的预编译版本。
+
+## 快速开始
+
+### 终端 UI 模式
+
+1. 启动程序：
+
+```bash
+./chatlog
+```
+
+2. 使用界面操作：
+   - 使用方向键导航菜单
+   - 按 Enter 选择菜单项
+   - 按 Esc 返回上一级菜单
+   - 按 Ctrl+C 退出程序
+
+### 命令行模式
+
+获取微信进程密钥：
+
+```bash
+./chatlog key
+```
+
+解密数据库文件：
+
+```bash
+./chatlog decrypt --data-dir "微信数据目录" --work-dir "输出目录" --key "密钥" --version 3
+```
+
+## HTTP API
+
+启动 HTTP 服务后，可以通过以下 API 访问数据：
+
+### 聊天记录
+
+```
+GET /api/v1/chatlog?time=2023-01-01&talker=wxid_xxx&limit=100&offset=0&format=json
+```
+
+参数说明：
+- `time`: 时间范围，格式为 `YYYY-MM-DD` 或 `YYYY-MM-DD~YYYY-MM-DD`
+- `talker`: 聊天对象的 ID，不知道 ID 的话也可以尝试备注名、昵称、群聊 ID等
+- `limit`: 返回记录数量限制
+- `offset`: 分页偏移量
+- `format`: 输出格式，支持 `json`、`csv` 或纯文本
+
+### 联系人列表
+
+```
+GET /api/v1/contact?format=json
+```
+
+### 群聊列表
+
+```
+GET /api/v1/chatroom?format=json
+```
+
+### 会话列表
+
+```
+GET /api/v1/session?limit=100&format=json
+```
+
+## MCP 集成
+
+Chatlog 实现了 Model Context Protocol (MCP)，可以与支持 MCP 的 AI 助手集成。通过 MCP，AI 助手可以：
+
+1. 查询联系人信息
+2. 获取群聊列表和成员
+3. 检索最近的聊天记录
+4. 按时间和联系人搜索聊天记录
+
+## 未来规划
+
+Chatlog 希望成为最好用的聊天记录工具，帮助用户充分挖掘自己聊天数据的价值。我们的路线图包括：
+
+- **多平台支持**：计划支持 MacOS 平台的微信聊天记录解密
+- **全文索引**：实现聊天记录的全文检索，提供更快速的搜索体验
+- **统计与可视化**：提供聊天数据的统计分析和可视化 Dashboard
+- **CS 架构**：将数据收集和统计分析功能分离，支持将服务部署在 NAS 或家庭服务器上
+- **增量更新**：支持聊天记录的增量采集和更新，减少资源消耗
+- **关键词监控**：提供关键词监控和实时提醒功能
+- **更多聊天工具支持**：计划支持更多主流聊天工具的数据采集和分析
+
+## 数据安全声明
+
+Chatlog 高度重视用户数据安全和隐私保护：
+
+- 所有数据处理均在本地完成，不会上传到任何外部服务器
+- 解密后的数据存储在用户指定的工作目录中，用户对数据有完全控制权
+- 建议定期备份重要的聊天记录，并妥善保管解密后的数据
+- 请勿将本工具用于未经授权访问他人聊天记录等非法用途
+
+## 贡献
+
+我们欢迎社区的贡献！无论是代码贡献、问题报告还是功能建议，都将帮助 Chatlog 变得更好：
+
+1. Fork 本仓库
+2. 创建您的特性分支 (`git checkout -b feature/amazing-feature`)
+3. 提交您的更改 (`git commit -m 'Add some amazing feature'`)
+4. 推送到分支 (`git push origin feature/amazing-feature`)
+5. 打开一个 Pull Request
+
+## 许可证
+
+本项目采用 Apache-2.0 许可证 - 详见 [LICENSE](LICENSE) 文件。
+
+## 致谢
+
+- [tview](https://github.com/rivo/tview) - 终端 UI 库
+- [gin](https://github.com/gin-gonic/gin) - HTTP 框架
+- [Model Context Protocol](https://github.com/modelcontextprotocol) - AI 助手集成协议
+- 以及所有贡献者和用户的支持与反馈
\ No newline at end of file
diff --git a/cmd/chatlog/cmd_decrypt.go b/cmd/chatlog/cmd_decrypt.go
new file mode 100644
index 0000000..c7100ac
--- /dev/null
+++ b/cmd/chatlog/cmd_decrypt.go
@@ -0,0 +1,40 @@
+package chatlog
+
+import (
+	"fmt"
+
+	"github.com/sjzar/chatlog/internal/chatlog"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(decryptCmd)
+	decryptCmd.Flags().StringVarP(&dataDir, "data-dir", "d", "", "data dir")
+	decryptCmd.Flags().StringVarP(&workDir, "work-dir", "w", "", "work dir")
+	decryptCmd.Flags().StringVarP(&key, "key", "k", "", "key")
+	decryptCmd.Flags().IntVarP(&decryptVer, "version", "v", 3, "version")
+}
+
+var dataDir string
+var workDir string
+var key string
+var decryptVer int
+
+var decryptCmd = &cobra.Command{
+	Use:   "decrypt",
+	Short: "decrypt",
+	Run: func(cmd *cobra.Command, args []string) {
+		m, err := chatlog.New("")
+		if err != nil {
+			log.Error(err)
+			return
+		}
+		if err := m.CommandDecrypt(dataDir, workDir, key, decryptVer); err != nil {
+			log.Error(err)
+			return
+		}
+		fmt.Println("decrypt success")
+	},
+}
diff --git a/cmd/chatlog/cmd_key.go b/cmd/chatlog/cmd_key.go
new file mode 100644
index 0000000..25336fc
--- /dev/null
+++ b/cmd/chatlog/cmd_key.go
@@ -0,0 +1,34 @@
+package chatlog
+
+import (
+	"fmt"
+
+	"github.com/sjzar/chatlog/internal/chatlog"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(keyCmd)
+	keyCmd.Flags().IntVarP(&pid, "pid", "p", 0, "pid")
+}
+
+var pid int
+var keyCmd = &cobra.Command{
+	Use:   "key",
+	Short: "key",
+	Run: func(cmd *cobra.Command, args []string) {
+		m, err := chatlog.New("")
+		if err != nil {
+			log.Error(err)
+			return
+		}
+		ret, err := m.CommandKey(pid)
+		if err != nil {
+			log.Error(err)
+			return
+		}
+		fmt.Println(ret)
+	},
+}
diff --git a/cmd/chatlog/cmd_version.go b/cmd/chatlog/cmd_version.go
new file mode 100644
index 0000000..1af2f13
--- /dev/null
+++ b/cmd/chatlog/cmd_version.go
@@ -0,0 +1,27 @@
+package chatlog
+
+import (
+	"fmt"
+
+	"github.com/sjzar/chatlog/pkg/version"
+
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+	versionCmd.Flags().BoolVarP(&versionM, "module", "m", false, "module version information")
+}
+
+var versionM bool
+var versionCmd = &cobra.Command{
+	Use:   "version [-m]",
+	Short: "Show the version of chatlog",
+	Run: func(cmd *cobra.Command, args []string) {
+		if versionM {
+			fmt.Println(version.GetMore(true))
+		} else {
+			fmt.Printf("chatlog %s\n", version.GetMore(false))
+		}
+	},
+}
diff --git a/cmd/chatlog/log.go b/cmd/chatlog/log.go
new file mode 100644
index 0000000..54b15ab
--- /dev/null
+++ b/cmd/chatlog/log.go
@@ -0,0 +1,50 @@
+package chatlog
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path"
+	"path/filepath"
+	"runtime"
+
+	"github.com/sjzar/chatlog/pkg/util"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+)
+
+var Debug bool
+
+func initLog(cmd *cobra.Command, args []string) {
+	log.SetFormatter(&log.TextFormatter{
+		FullTimestamp: true,
+		CallerPrettyfier: func(f *runtime.Frame) (string, string) {
+			_, filename := path.Split(f.File)
+			return "", fmt.Sprintf("%s:%d", filename, f.Line)
+		},
+	})
+
+	if Debug {
+		log.SetLevel(log.DebugLevel)
+		log.SetReportCaller(true)
+	}
+}
+
+func initTuiLog(cmd *cobra.Command, args []string) {
+	logOutput := io.Discard
+
+	debug, _ := cmd.Flags().GetBool("debug")
+	if debug {
+		logpath := util.DefaultWorkDir("")
+		util.PrepareDir(logpath)
+		logFD, err := os.OpenFile(filepath.Join(logpath, "chatlog.log"), os.O_CREATE|os.O_WRONLY|os.O_APPEND, os.ModePerm)
+		if err != nil {
+			panic(err)
+		}
+		logOutput = logFD
+		log.SetReportCaller(true)
+	}
+
+	log.SetOutput(logOutput)
+}
diff --git a/cmd/chatlog/root.go b/cmd/chatlog/root.go
new file mode 100644
index 0000000..c360476
--- /dev/null
+++ b/cmd/chatlog/root.go
@@ -0,0 +1,48 @@
+package chatlog
+
+import (
+	"github.com/sjzar/chatlog/internal/chatlog"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	// windows only
+	cobra.MousetrapHelpText = ""
+
+	rootCmd.PersistentFlags().BoolVar(&Debug, "debug", false, "debug")
+	rootCmd.PersistentPreRun = initLog
+}
+
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		log.Error(err)
+	}
+}
+
+var rootCmd = &cobra.Command{
+	Use:     "chatlog",
+	Short:   "chatlog",
+	Long:    `chatlog`,
+	Example: `chatlog`,
+	Args:    cobra.MinimumNArgs(0),
+	CompletionOptions: cobra.CompletionOptions{
+		HiddenDefaultCmd: true,
+	},
+	PreRun: initTuiLog,
+	Run:    Root,
+}
+
+func Root(cmd *cobra.Command, args []string) {
+
+	m, err := chatlog.New("")
+	if err != nil {
+		log.Error(err)
+		return
+	}
+
+	if err := m.Run(); err != nil {
+		log.Error(err)
+	}
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..7b4cd80
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,72 @@
+module github.com/sjzar/chatlog
+
+go 1.24.0
+
+require (
+	github.com/gdamore/tcell/v2 v2.8.1
+	github.com/gin-gonic/gin v1.10.0
+	github.com/google/uuid v1.4.0
+	github.com/mattn/go-sqlite3 v1.14.24
+	github.com/rivo/tview v0.0.0-20241227133733-17b7edb88c57
+	github.com/shirou/gopsutil/v4 v4.25.2
+	github.com/sirupsen/logrus v1.9.3
+	github.com/spf13/cobra v1.9.1
+	github.com/spf13/viper v1.19.0
+	golang.org/x/crypto v0.36.0
+	golang.org/x/sys v0.31.0
+	google.golang.org/protobuf v1.36.5
+)
+
+require (
+	github.com/bytedance/sonic v1.11.6 // indirect
+	github.com/bytedance/sonic/loader v0.1.1 // indirect
+	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/ebitengine/purego v0.8.2 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/gdamore/encoding v1.0.1 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.20.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.11.0 // indirect
+	github.com/spf13/cast v1.6.0 // indirect
+	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	github.com/tklauser/go-sysconf v0.3.12 // indirect
+	github.com/tklauser/numcpus v0.6.1 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/arch v0.8.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/net v0.33.0 // indirect
+	golang.org/x/term v0.30.0 // indirect
+	golang.org/x/text v0.23.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..08b8e04
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,245 @@
+github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0=
+github.com/bytedance/sonic v1.11.6/go.mod h1:LysEHSvpvDySVdC2f87zGWf6CIKJcAvqab1ZaiQtds4=
+github.com/bytedance/sonic/loader v0.1.1 h1:c+e5Pt1k/cy5wMveRDyk2X4B9hF4g7an8N3zCYjJFNM=
+github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
+github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y=
+github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
+github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg=
+github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY=
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diff --git a/internal/chatlog/app.go b/internal/chatlog/app.go
new file mode 100644
index 0000000..6ca17e2
--- /dev/null
+++ b/internal/chatlog/app.go
@@ -0,0 +1,409 @@
+package chatlog
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/sjzar/chatlog/internal/chatlog/ctx"
+	"github.com/sjzar/chatlog/internal/ui/footer"
+	"github.com/sjzar/chatlog/internal/ui/help"
+	"github.com/sjzar/chatlog/internal/ui/infobar"
+	"github.com/sjzar/chatlog/internal/ui/menu"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+)
+
+const (
+	RefreshInterval = 1000 * time.Millisecond
+)
+
+type App struct {
+	*tview.Application
+
+	ctx         *ctx.Context
+	m           *Manager
+	stopRefresh chan struct{}
+
+	// page
+	mainPages *tview.Pages
+	infoBar   *infobar.InfoBar
+	tabPages  *tview.Pages
+	footer    *footer.Footer
+
+	// tab
+	menu      *menu.Menu
+	help      *help.Help
+	activeTab int
+	tabCount  int
+}
+
+func NewApp(ctx *ctx.Context, m *Manager) *App {
+	app := &App{
+		ctx:         ctx,
+		m:           m,
+		Application: tview.NewApplication(),
+		mainPages:   tview.NewPages(),
+		infoBar:     infobar.New(),
+		tabPages:    tview.NewPages(),
+		footer:      footer.New(),
+		menu:        menu.New("主菜单"),
+		help:        help.New(),
+	}
+
+	app.initMenu()
+
+	return app
+}
+
+func (a *App) Run() error {
+
+	flex := tview.NewFlex().
+		SetDirection(tview.FlexRow).
+		AddItem(a.infoBar, infobar.InfoBarViewHeight, 0, false).
+		AddItem(a.tabPages, 0, 1, true).
+		AddItem(a.footer, 1, 1, false)
+
+	a.mainPages.AddPage("main", flex, true, true)
+
+	a.tabPages.
+		AddPage("0", a.menu, true, true).
+		AddPage("1", a.help, true, false)
+	a.tabCount = 2
+
+	a.SetInputCapture(a.inputCapture)
+
+	go a.refresh()
+
+	if err := a.SetRoot(a.mainPages, true).EnableMouse(false).Run(); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (a *App) Stop() {
+	// 添加一个通道用于停止刷新 goroutine
+	if a.stopRefresh != nil {
+		close(a.stopRefresh)
+	}
+	a.Application.Stop()
+}
+
+func (a *App) switchTab(step int) {
+	index := (a.activeTab + step) % a.tabCount
+	if index < 0 {
+		index = a.tabCount - 1
+	}
+	a.activeTab = index
+	a.tabPages.SwitchToPage(fmt.Sprint(a.activeTab))
+}
+
+func (a *App) refresh() {
+	tick := time.NewTicker(RefreshInterval)
+	defer tick.Stop()
+
+	for {
+		select {
+		case <-a.stopRefresh:
+			return
+		case <-tick.C:
+			a.infoBar.UpdateAccount(a.ctx.Account)
+			a.infoBar.UpdateBasicInfo(a.ctx.PID, a.ctx.Version, a.ctx.ExePath)
+			a.infoBar.UpdateStatus(a.ctx.Status)
+			a.infoBar.UpdateDataKey(a.ctx.DataKey)
+			a.infoBar.UpdateDataUsageDir(a.ctx.DataUsage, a.ctx.DataDir)
+			a.infoBar.UpdateWorkUsageDir(a.ctx.WorkUsage, a.ctx.WorkDir)
+			if a.ctx.HTTPEnabled {
+				a.infoBar.UpdateHTTPServer(fmt.Sprintf("[green][已启动][white] [%s]", a.ctx.HTTPAddr))
+			} else {
+				a.infoBar.UpdateHTTPServer("[未启动]")
+			}
+
+			a.Draw()
+		}
+	}
+}
+
+func (a *App) inputCapture(event *tcell.EventKey) *tcell.EventKey {
+
+	// 如果当前页面不是主页面，ESC 键返回主页面
+	if a.mainPages.HasPage("submenu") && event.Key() == tcell.KeyEscape {
+		a.mainPages.RemovePage("submenu")
+		a.mainPages.SwitchToPage("main")
+		return nil
+	}
+
+	if a.tabPages.HasFocus() {
+		switch event.Key() {
+		case tcell.KeyLeft:
+			a.switchTab(-1)
+			return nil
+		case tcell.KeyRight:
+			a.switchTab(1)
+			return nil
+		}
+	}
+
+	switch event.Key() {
+	case tcell.KeyCtrlC:
+		a.Stop()
+	}
+
+	return event
+}
+
+func (a *App) initMenu() {
+	getDataKey := &menu.Item{
+		Index:       2,
+		Name:        "获取数据密钥",
+		Description: "从进程获取数据密钥",
+		Selected: func(i *menu.Item) {
+			if err := a.m.GetDataKey(); err != nil {
+				a.showError(err)
+				return
+			}
+			a.showInfo("获取数据密钥成功")
+		},
+	}
+
+	decryptData := &menu.Item{
+		Index:       3,
+		Name:        "解密数据",
+		Description: "解密数据文件",
+		Selected: func(i *menu.Item) {
+			// 创建一个没有按钮的模态框，显示"解密中..."
+			modal := tview.NewModal().
+				SetText("解密中...")
+
+			a.mainPages.AddPage("modal", modal, true, true)
+			a.SetFocus(modal)
+
+			// 在后台执行解密操作
+			go func() {
+				// 执行解密
+				err := a.m.DecryptDBFiles()
+
+				// 在主线程中更新UI
+				a.QueueUpdateDraw(func() {
+					if err != nil {
+						// 解密失败
+						modal.SetText("解密失败: " + err.Error())
+					} else {
+						// 解密成功
+						modal.SetText("解密数据成功")
+					}
+
+					// 添加确认按钮
+					modal.AddButtons([]string{"OK"})
+					modal.SetDoneFunc(func(buttonIndex int, buttonLabel string) {
+						a.mainPages.RemovePage("modal")
+					})
+					a.SetFocus(modal)
+				})
+			}()
+		},
+	}
+
+	httpServer := &menu.Item{
+		Index:       4,
+		Name:        "启动 HTTP 服务",
+		Description: "启动本地 HTTP & MCP 服务器",
+		Selected: func(i *menu.Item) {
+			modal := tview.NewModal()
+
+			// 根据当前服务状态执行不同操作
+			if !a.ctx.HTTPEnabled {
+				// HTTP 服务未启动，启动服务
+				modal.SetText("正在启动 HTTP 服务...")
+				a.mainPages.AddPage("modal", modal, true, true)
+				a.SetFocus(modal)
+
+				// 在后台启动服务
+				go func() {
+					err := a.m.StartService()
+
+					// 在主线程中更新UI
+					a.QueueUpdateDraw(func() {
+						if err != nil {
+							// 启动失败
+							modal.SetText("启动 HTTP 服务失败: " + err.Error())
+						} else {
+							// 启动成功
+							modal.SetText("已启动 HTTP 服务")
+							// 更改菜单项名称
+							i.Name = "停止 HTTP 服务"
+							i.Description = "停止本地 HTTP & MCP 服务器"
+						}
+
+						// 添加确认按钮
+						modal.AddButtons([]string{"OK"})
+						modal.SetDoneFunc(func(buttonIndex int, buttonLabel string) {
+							a.mainPages.RemovePage("modal")
+						})
+						a.SetFocus(modal)
+					})
+				}()
+			} else {
+				// HTTP 服务已启动，停止服务
+				modal.SetText("正在停止 HTTP 服务...")
+				a.mainPages.AddPage("modal", modal, true, true)
+				a.SetFocus(modal)
+
+				// 在后台停止服务
+				go func() {
+					err := a.m.StopService()
+
+					// 在主线程中更新UI
+					a.QueueUpdateDraw(func() {
+						if err != nil {
+							// 停止失败
+							modal.SetText("停止 HTTP 服务失败: " + err.Error())
+						} else {
+							// 停止成功
+							modal.SetText("已停止 HTTP 服务")
+							// 更改菜单项名称
+							i.Name = "启动 HTTP 服务"
+							i.Description = "启动本地 HTTP 服务器"
+						}
+
+						// 添加确认按钮
+						modal.AddButtons([]string{"OK"})
+						modal.SetDoneFunc(func(buttonIndex int, buttonLabel string) {
+							a.mainPages.RemovePage("modal")
+						})
+						a.SetFocus(modal)
+					})
+				}()
+			}
+		},
+	}
+
+	setting := &menu.Item{
+		Index:       5,
+		Name:        "设置",
+		Description: "设置应用程序选项",
+		Selected:    a.settingSelected,
+	}
+
+	a.menu.AddItem(setting)
+	a.menu.AddItem(getDataKey)
+	a.menu.AddItem(decryptData)
+	a.menu.AddItem(httpServer)
+
+	a.menu.AddItem(&menu.Item{
+		Index:       6,
+		Name:        "退出",
+		Description: "退出程序",
+		Selected: func(i *menu.Item) {
+			a.Stop()
+		},
+	})
+}
+
+// settingItem 表示一个设置项
+type settingItem struct {
+	name        string
+	description string
+	action      func()
+}
+
+func (a *App) settingSelected(i *menu.Item) {
+
+	settings := []settingItem{
+		{
+			name:        "设置 HTTP 服务端口",
+			description: "配置 HTTP 服务监听的端口",
+			action:      a.settingHTTPPort,
+		},
+		{
+			name:        "设置工作目录",
+			description: "配置数据解密后的存储目录",
+			action:      a.settingWorkDir,
+		},
+	}
+
+	subMenu := menu.NewSubMenu("设置")
+	for idx, setting := range settings {
+		item := &menu.Item{
+			Index:       idx + 1,
+			Name:        setting.name,
+			Description: setting.description,
+			Selected: func(action func()) func(*menu.Item) {
+				return func(*menu.Item) {
+					action()
+				}
+			}(setting.action),
+		}
+		subMenu.AddItem(item)
+	}
+
+	a.mainPages.AddPage("submenu", subMenu, true, true)
+	a.SetFocus(subMenu)
+}
+
+// settingHTTPPort 设置 HTTP 端口
+func (a *App) settingHTTPPort() {
+	// 实现端口设置逻辑
+	// 这里可以使用 tview.InputField 让用户输入端口
+	form := tview.NewForm().
+		AddInputField("端口", a.ctx.HTTPAddr, 20, nil, func(text string) {
+			a.ctx.SetHTTPAddr(text)
+		}).
+		AddButton("保存", func() {
+			a.mainPages.RemovePage("submenu2")
+			a.showInfo("HTTP 端口已设置为 " + a.ctx.HTTPAddr)
+		}).
+		AddButton("取消", func() {
+			a.mainPages.RemovePage("submenu2")
+		})
+	form.SetBorder(true).SetTitle("设置 HTTP 端口")
+
+	a.mainPages.AddPage("submenu2", form, true, true)
+	a.SetFocus(form)
+}
+
+// settingWorkDir 设置工作目录
+func (a *App) settingWorkDir() {
+	// 实现工作目录设置逻辑
+	form := tview.NewForm().
+		AddInputField("工作目录", a.ctx.WorkDir, 40, nil, func(text string) {
+			a.ctx.SetWorkDir(text)
+		}).
+		AddButton("保存", func() {
+			a.mainPages.RemovePage("submenu2")
+			a.showInfo("工作目录已设置为 " + a.ctx.WorkDir)
+		}).
+		AddButton("取消", func() {
+			a.mainPages.RemovePage("submenu2")
+		})
+	form.SetBorder(true).SetTitle("设置工作目录")
+
+	a.mainPages.AddPage("submenu2", form, true, true)
+	a.SetFocus(form)
+}
+
+// showModal 显示一个模态对话框
+func (a *App) showModal(text string, buttons []string, doneFunc func(buttonIndex int, buttonLabel string)) {
+	modal := tview.NewModal().
+		SetText(text).
+		AddButtons(buttons).
+		SetDoneFunc(doneFunc)
+
+	a.mainPages.AddPage("modal", modal, true, true)
+	a.SetFocus(modal)
+}
+
+// showError 显示错误对话框
+func (a *App) showError(err error) {
+	a.showModal(err.Error(), []string{"OK"}, func(buttonIndex int, buttonLabel string) {
+		a.mainPages.RemovePage("modal")
+	})
+}
+
+// showInfo 显示信息对话框
+func (a *App) showInfo(text string) {
+	a.showModal(text, []string{"OK"}, func(buttonIndex int, buttonLabel string) {
+		a.mainPages.RemovePage("modal")
+	})
+}
diff --git a/internal/chatlog/conf/config.go b/internal/chatlog/conf/config.go
new file mode 100644
index 0000000..79b2ae6
--- /dev/null
+++ b/internal/chatlog/conf/config.go
@@ -0,0 +1,60 @@
+package conf
+
+import "github.com/sjzar/chatlog/pkg/config"
+
+type Config struct {
+	ConfigDir   string          `mapstructure:"-"`
+	LastAccount string          `mapstructure:"last_account" json:"last_account"`
+	History     []ProcessConfig `mapstructure:"history" json:"history"`
+}
+
+type ProcessConfig struct {
+	Type         string `mapstructure:"type" json:"type"`
+	Version      string `mapstructure:"version" json:"version"`
+	MajorVersion int    `mapstructure:"major_version" json:"major_version"`
+	Account      string `mapstructure:"account" json:"account"`
+	DataKey      string `mapstructure:"data_key" json:"data_key"`
+	DataDir      string `mapstructure:"data_dir" json:"data_dir"`
+	WorkDir      string `mapstructure:"work_dir" json:"work_dir"`
+	HTTPEnabled  bool   `mapstructure:"http_enabled" json:"http_enabled"`
+	HTTPAddr     string `mapstructure:"http_addr" json:"http_addr"`
+	LastTime     int64  `mapstructure:"last_time" json:"last_time"`
+	Files        []File `mapstructure:"files" json:"files"`
+}
+
+type File struct {
+	Path         string `mapstructure:"path" json:"path"`
+	ModifiedTime int64  `mapstructure:"modified_time" json:"modified_time"`
+	Size         int64  `mapstructure:"size" json:"size"`
+}
+
+func (c *Config) ParseHistory() map[string]ProcessConfig {
+	m := make(map[string]ProcessConfig)
+	for _, v := range c.History {
+		m[v.Account] = v
+	}
+	return m
+}
+
+func (c *Config) UpdateHistory(account string, conf ProcessConfig) error {
+	if c.History == nil {
+		c.History = make([]ProcessConfig, 0)
+	}
+	if len(c.History) == 0 {
+		c.History = append(c.History, conf)
+	} else {
+		isFind := false
+		for i, v := range c.History {
+			if v.Account == account {
+				isFind = true
+				c.History[i] = conf
+				break
+			}
+		}
+		if !isFind {
+			c.History = append(c.History, conf)
+		}
+	}
+	config.SetConfig("last_account", account)
+	return config.SetConfig("history", c.History)
+}
diff --git a/internal/chatlog/conf/service.go b/internal/chatlog/conf/service.go
new file mode 100644
index 0000000..1edcb36
--- /dev/null
+++ b/internal/chatlog/conf/service.go
@@ -0,0 +1,68 @@
+package conf
+
+import (
+	"log"
+	"os"
+	"sync"
+
+	"github.com/sjzar/chatlog/pkg/config"
+)
+
+const (
+	ConfigName   = "chatlog"
+	ConfigType   = "json"
+	EnvConfigDir = "CHATLOG_DIR"
+)
+
+// Service 配置服务
+type Service struct {
+	configPath string
+	config     *Config
+	mu         sync.RWMutex
+}
+
+// NewService 创建配置服务
+func NewService(configPath string) (*Service, error) {
+
+	service := &Service{
+		configPath: configPath,
+	}
+
+	if err := service.Load(); err != nil {
+		return nil, err
+	}
+
+	return service, nil
+}
+
+// Load 加载配置
+func (s *Service) Load() error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	configPath := s.configPath
+	if configPath == "" {
+		configPath = os.Getenv(EnvConfigDir)
+	}
+	if err := config.Init(ConfigName, ConfigType, configPath); err != nil {
+		log.Fatal(err)
+	}
+
+	conf := &Config{}
+	if err := config.Load(conf); err != nil {
+		log.Fatal(err)
+	}
+	conf.ConfigDir = config.ConfigPath
+	s.config = conf
+	return nil
+}
+
+// GetConfig 获取配置副本
+func (s *Service) GetConfig() *Config {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	// 返回配置副本
+	configCopy := *s.config
+	return &configCopy
+}
diff --git a/internal/chatlog/ctx/context.go b/internal/chatlog/ctx/context.go
new file mode 100644
index 0000000..93ae773
--- /dev/null
+++ b/internal/chatlog/ctx/context.go
@@ -0,0 +1,158 @@
+package ctx
+
+import (
+	"sync"
+
+	"github.com/sjzar/chatlog/internal/chatlog/conf"
+	"github.com/sjzar/chatlog/internal/wechat"
+	"github.com/sjzar/chatlog/pkg/util"
+)
+
+// Context is a context for a chatlog.
+// It is used to store information about the chatlog.
+type Context struct {
+	conf *conf.Service
+	mu   sync.RWMutex
+
+	History map[string]conf.ProcessConfig
+
+	// 微信账号相关状态
+	Account      string
+	Version      string
+	MajorVersion int
+	DataKey      string
+	DataUsage    string
+	DataDir      string
+
+	// 工作目录相关状态
+	WorkUsage string
+	WorkDir   string
+
+	// HTTP服务相关状态
+	HTTPEnabled bool
+	HTTPAddr    string
+
+	// 当前选中的微信实例
+	Current *wechat.Info
+	PID     int
+	ExePath string
+	Status  string
+
+	// 所有可用的微信实例
+	WeChatInstances []*wechat.Info
+}
+
+func New(conf *conf.Service) *Context {
+	ctx := &Context{
+		conf: conf,
+	}
+
+	ctx.loadConfig()
+
+	return ctx
+}
+
+func (c *Context) loadConfig() {
+	conf := c.conf.GetConfig()
+	c.History = conf.ParseHistory()
+	c.SwitchHistory(conf.LastAccount)
+	c.Refresh()
+}
+
+func (c *Context) SwitchHistory(account string) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	history, ok := c.History[account]
+	if ok {
+		c.Account = history.Account
+		c.Version = history.Version
+		c.MajorVersion = history.MajorVersion
+		c.DataKey = history.DataKey
+		c.DataDir = history.DataDir
+		c.WorkDir = history.WorkDir
+		c.HTTPEnabled = history.HTTPEnabled
+		c.HTTPAddr = history.HTTPAddr
+	}
+}
+
+func (c *Context) SwitchCurrent(info *wechat.Info) {
+	c.SwitchHistory(info.AccountName)
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.Current = info
+	c.Refresh()
+
+}
+func (c *Context) Refresh() {
+	if c.Current != nil {
+		c.Account = c.Current.AccountName
+		c.Version = c.Current.Version.FileVersion
+		c.MajorVersion = c.Current.Version.FileMajorVersion
+		c.PID = int(c.Current.PID)
+		c.ExePath = c.Current.ExePath
+		c.Status = c.Current.Status
+		if c.Current.Key != "" && c.Current.Key != c.DataKey {
+			c.DataKey = c.Current.Key
+		}
+		if c.Current.DataDir != "" && c.Current.DataDir != c.DataDir {
+			c.DataDir = c.Current.DataDir
+		}
+	}
+	if c.DataUsage == "" && c.DataDir != "" {
+		go func() {
+			c.DataUsage = util.GetDirSize(c.DataDir)
+		}()
+	}
+	if c.WorkUsage == "" && c.WorkDir != "" {
+		go func() {
+			c.WorkUsage = util.GetDirSize(c.WorkDir)
+		}()
+	}
+}
+
+func (c *Context) SetHTTPEnabled(enabled bool) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.HTTPEnabled = enabled
+	c.UpdateConfig()
+}
+
+func (c *Context) SetHTTPAddr(addr string) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.HTTPAddr = addr
+	c.UpdateConfig()
+}
+
+func (c *Context) SetWorkDir(dir string) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.WorkDir = dir
+	c.UpdateConfig()
+	c.Refresh()
+}
+
+func (c *Context) SetDataDir(dir string) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.DataDir = dir
+	c.UpdateConfig()
+	c.Refresh()
+}
+
+// 更新配置
+func (c *Context) UpdateConfig() {
+	pconf := conf.ProcessConfig{
+		Type:         "wechat",
+		Version:      c.Version,
+		MajorVersion: c.MajorVersion,
+		Account:      c.Account,
+		DataKey:      c.DataKey,
+		DataDir:      c.DataDir,
+		WorkDir:      c.WorkDir,
+		HTTPEnabled:  c.HTTPEnabled,
+		HTTPAddr:     c.HTTPAddr,
+	}
+	conf := c.conf.GetConfig()
+	conf.UpdateHistory(c.Account, pconf)
+}
diff --git a/internal/chatlog/database/service.go b/internal/chatlog/database/service.go
new file mode 100644
index 0000000..3b75207
--- /dev/null
+++ b/internal/chatlog/database/service.go
@@ -0,0 +1,77 @@
+package database
+
+import (
+	"time"
+
+	"github.com/sjzar/chatlog/internal/chatlog/ctx"
+	"github.com/sjzar/chatlog/internal/wechatdb"
+	"github.com/sjzar/chatlog/pkg/model"
+)
+
+type Service struct {
+	ctx *ctx.Context
+	db  *wechatdb.DB
+}
+
+func NewService(ctx *ctx.Context) *Service {
+	return &Service{
+		ctx: ctx,
+	}
+}
+
+func (s *Service) Start() error {
+	db, err := wechatdb.New(s.ctx.WorkDir, s.ctx.MajorVersion)
+	if err != nil {
+		return err
+	}
+	s.db = db
+	return nil
+}
+
+func (s *Service) Stop() error {
+	if s.db != nil {
+		s.db.Close()
+	}
+	s.db = nil
+	return nil
+}
+
+// GetDB returns the underlying database
+func (s *Service) GetDB() *wechatdb.DB {
+	return s.db
+}
+
+// GetMessages retrieves messages based on criteria
+func (s *Service) GetMessages(start, end time.Time, talker string, limit, offset int) ([]*model.Message, error) {
+	return s.db.GetMessages(start, end, talker, limit, offset)
+}
+
+// GetContact retrieves contact information
+func (s *Service) GetContact(userName string) *model.Contact {
+	return s.db.GetContact(userName)
+}
+
+// ListContact retrieves all contacts
+func (s *Service) ListContact() (*wechatdb.ListContactResp, error) {
+	return s.db.ListContact()
+}
+
+// GetChatRoom retrieves chat room information
+func (s *Service) GetChatRoom(name string) *model.ChatRoom {
+	return s.db.GetChatRoom(name)
+}
+
+// ListChatRoom retrieves all chat rooms
+func (s *Service) ListChatRoom() (*wechatdb.ListChatRoomResp, error) {
+	return s.db.ListChatRoom()
+}
+
+// GetSession retrieves session information
+func (s *Service) GetSession(limit int) (*wechatdb.GetSessionResp, error) {
+	return s.db.GetSession(limit)
+}
+
+// Close closes the database connection
+func (s *Service) Close() {
+	// Add cleanup code if needed
+}
diff --git a/internal/chatlog/http/route.go b/internal/chatlog/http/route.go
new file mode 100644
index 0000000..c232be8
--- /dev/null
+++ b/internal/chatlog/http/route.go
@@ -0,0 +1,245 @@
+package http
+
+import (
+	"embed"
+	"fmt"
+	"io/fs"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/sjzar/chatlog/internal/errors"
+	"github.com/sjzar/chatlog/pkg/util"
+
+	"github.com/gin-gonic/gin"
+)
+
+// EFS holds embedded file system data for static assets.
+//
+//go:embed static
+var EFS embed.FS
+
+// initRouter sets up routes and static file servers for the web service.
+// It defines endpoints for API as well as serving static content.
+func (s *Service) initRouter() {
+
+	router := s.GetRouter()
+
+	staticDir, _ := fs.Sub(EFS, "static")
+	router.StaticFS("/static", http.FS(staticDir))
+	router.StaticFileFS("/favicon.ico", "./favicon.ico", http.FS(staticDir))
+	router.StaticFileFS("/", "./index.htm", http.FS(staticDir))
+
+	// MCP Server
+	{
+		router.GET("/sse", s.mcp.HandleSSE)
+		router.POST("/messages", s.mcp.HandleMessages)
+		// mcp inspector is shit
+		// https://github.com/modelcontextprotocol/inspector/blob/aeaf32f/server/src/index.ts#L155
+		router.POST("/message", s.mcp.HandleMessages)
+	}
+
+	// API V1 Router
+	api := router.Group("/api/v1")
+	{
+		api.GET("/chatlog", s.GetChatlog)
+		api.GET("/contact", s.ListContact)
+		api.GET("/chatroom", s.ListChatRoom)
+		api.GET("/session", s.GetSession)
+	}
+
+	router.NoRoute(s.NoRoute)
+}
+
+// NoRoute handles 404 Not Found errors. If the request URL starts with "/api"
+// or "/static", it responds with a JSON error. Otherwise, it redirects to the root path.
+func (s *Service) NoRoute(c *gin.Context) {
+	path := c.Request.URL.Path
+	switch {
+	case strings.HasPrefix(path, "/api"), strings.HasPrefix(path, "/static"):
+		c.JSON(http.StatusNotFound, gin.H{"error": "Not found"})
+	default:
+		c.Header("Cache-Control", "no-cache, no-store, max-age=0, must-revalidate, value")
+		c.Redirect(http.StatusFound, "/")
+	}
+}
+
+func (s *Service) GetChatlog(c *gin.Context) {
+
+	var err error
+	start, end, ok := util.TimeRangeOf(c.Query("time"))
+	if !ok {
+		errors.Err(c, errors.ErrInvalidArg("time"))
+	}
+
+	var limit int
+	if _limit := c.Query("limit"); len(_limit) > 0 {
+		limit, err = strconv.Atoi(_limit)
+		if err != nil {
+			errors.Err(c, errors.ErrInvalidArg("limit"))
+			return
+		}
+	}
+
+	var offset int
+	if _offset := c.Query("offset"); len(_offset) > 0 {
+		offset, err = strconv.Atoi(_offset)
+		if err != nil {
+			errors.Err(c, errors.ErrInvalidArg("offset"))
+			return
+		}
+	}
+
+	talker := c.Query("talker")
+
+	if limit < 0 {
+		limit = 0
+	}
+
+	if offset < 0 {
+		offset = 0
+	}
+
+	messages, err := s.db.GetMessages(start, end, talker, limit, offset)
+	if err != nil {
+		errors.Err(c, err)
+		return
+	}
+
+	switch strings.ToLower(c.Query("format")) {
+	case "csv":
+	case "json":
+		// json
+		c.JSON(http.StatusOK, messages)
+	default:
+		// plain text
+		c.Writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		c.Writer.Header().Set("Cache-Control", "no-cache")
+		c.Writer.Header().Set("Connection", "keep-alive")
+		c.Writer.Flush()
+
+		for _, m := range messages {
+			c.Writer.WriteString(m.PlainText(len(talker) == 0))
+			c.Writer.WriteString("\n")
+			c.Writer.Flush()
+		}
+	}
+}
+
+func (s *Service) ListContact(c *gin.Context) {
+	list, err := s.db.ListContact()
+	if err != nil {
+		errors.Err(c, err)
+		return
+	}
+
+	format := strings.ToLower(c.Query("format"))
+	switch format {
+	case "json":
+		// json
+		c.JSON(http.StatusOK, list)
+	default:
+		// csv
+		if format == "csv" {
+			// 浏览器访问时，会下载文件
+			c.Writer.Header().Set("Content-Type", "text/csv; charset=utf-8")
+		} else {
+			c.Writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		}
+		c.Writer.Header().Set("Cache-Control", "no-cache")
+		c.Writer.Header().Set("Connection", "keep-alive")
+		c.Writer.Flush()
+
+		c.Writer.WriteString("UserName,Alias,Remark,NickName\n")
+		for _, contact := range list.Items {
+			c.Writer.WriteString(fmt.Sprintf("%s,%s,%s,%s\n", contact.UserName, contact.Alias, contact.Remark, contact.NickName))
+		}
+		c.Writer.Flush()
+	}
+}
+
+func (s *Service) ListChatRoom(c *gin.Context) {
+
+	if query := c.Query("query"); len(query) > 0 {
+		chatRoom := s.db.GetChatRoom(query)
+		if chatRoom != nil {
+			c.JSON(http.StatusOK, chatRoom)
+			return
+		}
+	}
+
+	list, err := s.db.ListChatRoom()
+	if err != nil {
+		errors.Err(c, err)
+		return
+	}
+	format := strings.ToLower(c.Query("format"))
+	switch format {
+	case "json":
+		// json
+		c.JSON(http.StatusOK, list)
+	default:
+		// csv
+		if format == "csv" {
+			// 浏览器访问时，会下载文件
+			c.Writer.Header().Set("Content-Type", "text/csv; charset=utf-8")
+		} else {
+			c.Writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		}
+		c.Writer.Header().Set("Cache-Control", "no-cache")
+		c.Writer.Header().Set("Connection", "keep-alive")
+		c.Writer.Flush()
+
+		c.Writer.WriteString("Name,Owner,UserCount\n")
+		for _, chatRoom := range list.Items {
+			c.Writer.WriteString(fmt.Sprintf("%s,%s,%d\n", chatRoom.Name, chatRoom.Owner, len(chatRoom.Users)))
+		}
+		c.Writer.Flush()
+	}
+}
+
+func (s *Service) GetSession(c *gin.Context) {
+
+	var err error
+	var limit int
+	if _limit := c.Query("limit"); len(_limit) > 0 {
+		limit, err = strconv.Atoi(_limit)
+		if err != nil {
+			errors.Err(c, errors.ErrInvalidArg("limit"))
+			return
+		}
+	}
+
+	sessions, err := s.db.GetSession(limit)
+	if err != nil {
+		errors.Err(c, err)
+		return
+	}
+	format := strings.ToLower(c.Query("format"))
+	switch format {
+	case "csv":
+		c.Writer.Header().Set("Content-Type", "text/csv; charset=utf-8")
+		c.Writer.Header().Set("Cache-Control", "no-cache")
+		c.Writer.Header().Set("Connection", "keep-alive")
+		c.Writer.Flush()
+
+		c.Writer.WriteString("UserName,NOrder,NickName,Content,NTime\n")
+		for _, session := range sessions.Items {
+			c.Writer.WriteString(fmt.Sprintf("%s,%d,%s,%s,%s\n", session.UserName, session.NOrder, session.NickName, strings.ReplaceAll(session.Content, "\n", "\\n"), session.NTime))
+		}
+		c.Writer.Flush()
+	case "json":
+		// json
+		c.JSON(http.StatusOK, sessions)
+	default:
+		c.Writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		c.Writer.Header().Set("Cache-Control", "no-cache")
+		c.Writer.Header().Set("Connection", "keep-alive")
+		c.Writer.Flush()
+		for _, session := range sessions.Items {
+			c.Writer.WriteString(session.PlainText(120))
+			c.Writer.WriteString("\n")
+		}
+		c.Writer.Flush()
+	}
+}
diff --git a/internal/chatlog/http/service.go b/internal/chatlog/http/service.go
new file mode 100644
index 0000000..5ffe0cd
--- /dev/null
+++ b/internal/chatlog/http/service.go
@@ -0,0 +1,90 @@
+package http
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"github.com/sjzar/chatlog/internal/chatlog/ctx"
+	"github.com/sjzar/chatlog/internal/chatlog/database"
+	"github.com/sjzar/chatlog/internal/chatlog/mcp"
+	"github.com/sjzar/chatlog/internal/errors"
+
+	"github.com/gin-gonic/gin"
+	log "github.com/sirupsen/logrus"
+)
+
+type Service struct {
+	ctx *ctx.Context
+	db  *database.Service
+	mcp *mcp.Service
+
+	router *gin.Engine
+	server *http.Server
+}
+
+func NewService(ctx *ctx.Context, db *database.Service, mcp *mcp.Service) *Service {
+	gin.SetMode(gin.ReleaseMode)
+	router := gin.New()
+
+	// Handle error from SetTrustedProxies
+	if err := router.SetTrustedProxies(nil); err != nil {
+		log.Error("Failed to set trusted proxies:", err)
+	}
+
+	// Middleware
+	router.Use(
+		gin.Recovery(),
+		gin.LoggerWithWriter(log.StandardLogger().Out),
+	)
+
+	s := &Service{
+		ctx:    ctx,
+		db:     db,
+		mcp:    mcp,
+		router: router,
+	}
+
+	s.initRouter()
+	return s
+}
+
+func (s *Service) Start() error {
+	s.server = &http.Server{
+		Addr:    s.ctx.HTTPAddr,
+		Handler: s.router,
+	}
+
+	go func() {
+		// Handle error from Run
+		if err := s.server.ListenAndServe(); err != nil {
+			log.Error("Server Stopped: ", err)
+		}
+	}()
+
+	log.Info("Server started on ", s.ctx.HTTPAddr)
+
+	return nil
+}
+
+func (s *Service) Stop() error {
+
+	if s.server == nil {
+		return nil
+	}
+
+	// 使用超时上下文优雅关闭
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := s.server.Shutdown(ctx); err != nil {
+		return errors.HTTP("HTTP server shutdown error", err)
+	}
+
+	log.Info("HTTP server stopped")
+	return nil
+}
+
+func (s *Service) GetRouter() *gin.Engine {
+	return s.router
+}
diff --git a/internal/chatlog/http/static/index.htm b/internal/chatlog/http/static/index.htm
new file mode 100644
index 0000000..d0a071e
--- /dev/null
+++ b/internal/chatlog/http/static/index.htm
@@ -0,0 +1,156 @@
+
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Chatlog</title>
+    <style>
+        .random-paragraph {
+            display: none;
+        }
+    </style>
+</head>
+<body>
+    <div id="paragraphContainer">
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            ('-. .-.    ('-.      .-') _                                         
+            ( OO )  /   ( OO ).-. (  OO) )                                        
+   .-----.  ,--. ,--.   / . --. / /     '._   ,--.       .-'),-----.   ,----.     
+  '  .--./  |  | |  |   | \-.  \  |'--...__)  |  |.-')  ( OO'  .-.  ' '  .-./-')  
+  |  |('-.  |   .|  | .-'-'  |  | '--.  .--'  |  | OO ) /   |  | |  | |  |_( O- ) 
+ /_) |OO  ) |       |  \| |_.'  |    |  |     |  |`-' | \_) |  |\|  | |  | .--, \ 
+ ||  |`-'|  |  .-.  |   |  .-.  |    |  |    (|  '---.'   \ |  | |  |(|  | '. (_/ 
+(_'  '--'\  |  | |  |   |  | |  |    |  |     |      |     `'  '-'  ' |  '--'  |  
+   `-----'  `--' `--'   `--' `--'    `--'     `------'       `-----'   `------'    
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            _____  _             _    _               
+            /  __ \| |           | |  | |              
+            | /  \/| |__    __ _ | |_ | |  ___    __ _ 
+            | |    | '_ \  / _` || __|| | / _ \  / _` |
+            | \__/\| | | || (_| || |_ | || (_) || (_| |
+             \____/|_| |_| \__,_| \__||_| \___/  \__, |
+                                                  __/ |
+                                                 |___/ 
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+                                                          
+            ,-----. ,--.                 ,--.   ,--.                 
+            '  .--./ |  ,---.   ,--,--. ,-'  '-. |  |  ,---.   ,---.  
+            |  |     |  .-.  | ' ,-.  | '-.  .-' |  | | .-. | | .-. | 
+            '  '--'\ |  | |  | \ '-'  |   |  |   |  | ' '-' ' ' '-' ' 
+             `-----' `--' `--'  `--`--'   `--'   `--'  `---'  .`-  /  
+                                                              `---'   
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            ____   _               _     _                 
+            / ___| | |__     __ _  | |_  | |   ___     __ _ 
+           | |     | '_ \   / _` | | __| | |  / _ \   / _` |
+           | |___  | | | | | (_| | | |_  | | | (_) | | (_| |
+            \____| |_| |_|  \__,_|  \__| |_|  \___/   \__, |
+                                                      |___/ 
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            _____                    _____                    _____                _____                    _____           _______                   _____          
+            /\    \                  /\    \                  /\    \              /\    \                  /\    \         /::\    \                 /\    \         
+           /::\    \                /::\____\                /::\    \            /::\    \                /::\____\       /::::\    \               /::\    \        
+          /::::\    \              /:::/    /               /::::\    \           \:::\    \              /:::/    /      /::::::\    \             /::::\    \       
+         /::::::\    \            /:::/    /               /::::::\    \           \:::\    \            /:::/    /      /::::::::\    \           /::::::\    \      
+        /:::/\:::\    \          /:::/    /               /:::/\:::\    \           \:::\    \          /:::/    /      /:::/~~\:::\    \         /:::/\:::\    \     
+       /:::/  \:::\    \        /:::/____/               /:::/__\:::\    \           \:::\    \        /:::/    /      /:::/    \:::\    \       /:::/  \:::\    \    
+      /:::/    \:::\    \      /::::\    \              /::::\   \:::\    \          /::::\    \      /:::/    /      /:::/    / \:::\    \     /:::/    \:::\    \   
+     /:::/    / \:::\    \    /::::::\    \   _____    /::::::\   \:::\    \        /::::::\    \    /:::/    /      /:::/____/   \:::\____\   /:::/    / \:::\    \  
+    /:::/    /   \:::\    \  /:::/\:::\    \ /\    \  /:::/\:::\   \:::\    \      /:::/\:::\    \  /:::/    /      |:::|    |     |:::|    | /:::/    /   \:::\ ___\ 
+   /:::/____/     \:::\____\/:::/  \:::\    /::\____\/:::/  \:::\   \:::\____\    /:::/  \:::\____\/:::/____/       |:::|____|     |:::|    |/:::/____/  ___\:::|    |
+   \:::\    \      \::/    /\::/    \:::\  /:::/    /\::/    \:::\  /:::/    /   /:::/    \::/    /\:::\    \        \:::\    \   /:::/    / \:::\    \ /\  /:::|____|
+    \:::\    \      \/____/  \/____/ \:::\/:::/    /  \/____/ \:::\/:::/    /   /:::/    / \/____/  \:::\    \        \:::\    \ /:::/    /   \:::\    /::\ \::/    / 
+     \:::\    \                       \::::::/    /            \::::::/    /   /:::/    /            \:::\    \        \:::\    /:::/    /     \:::\   \:::\ \/____/  
+      \:::\    \                       \::::/    /              \::::/    /   /:::/    /              \:::\    \        \:::\__/:::/    /       \:::\   \:::\____\    
+       \:::\    \                      /:::/    /               /:::/    /    \::/    /                \:::\    \        \::::::::/    /         \:::\  /:::/    /    
+        \:::\    \                    /:::/    /               /:::/    /      \/____/                  \:::\    \        \::::::/    /           \:::\/:::/    /     
+         \:::\    \                  /:::/    /               /:::/    /                                 \:::\    \        \::::/    /             \::::::/    /      
+          \:::\____\                /:::/    /               /:::/    /                                   \:::\____\        \::/____/               \::::/    /       
+           \::/    /                \::/    /                \::/    /                                     \::/    /         ~~                      \::/____/        
+            \/____/                  \/____/                  \/____/                                       \/____/                                                   
+                                                                                                                                                                      
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            ___  _   _    __    ____  __    _____   ___ 
+            / __)( )_( )  /__\  (_  _)(  )  (  _  ) / __)
+           ( (__  ) _ (  /(__)\   )(   )(__  )(_)( ( (_-.
+            \___)(_) (_)(__)(__) (__) (____)(_____) \___/
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            ________      ___  ___      ________      _________    ___           ________      ________     
+            |\   ____\    |\  \|\  \    |\   __  \    |\___   ___\ |\  \         |\   __  \    |\   ____\    
+            \ \  \___|    \ \  \\\  \   \ \  \|\  \   \|___ \  \_| \ \  \        \ \  \|\  \   \ \  \___|    
+             \ \  \        \ \   __  \   \ \   __  \       \ \  \   \ \  \        \ \  \\\  \   \ \  \  ___  
+              \ \  \____    \ \  \ \  \   \ \  \ \  \       \ \  \   \ \  \____    \ \  \\\  \   \ \  \|\  \ 
+               \ \_______\   \ \__\ \__\   \ \__\ \__\       \ \__\   \ \_______\   \ \_______\   \ \_______\
+                \|_______|    \|__|\|__|    \|__|\|__|        \|__|    \|_______|    \|_______|    \|_______|            
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            ╔═╗┬ ┬┌─┐┌┬┐┬  ┌─┐┌─┐
+            ║  ├─┤├─┤ │ │  │ ││ ┬
+            ╚═╝┴ ┴┴ ┴ ┴ ┴─┘└─┘└─┘
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            ▄▄·  ▄ .▄ ▄▄▄· ▄▄▄▄▄▄▄▌         ▄▄ • 
+            ▐█ ▌▪██▪▐█▐█ ▀█ •██  ██•  ▪     ▐█ ▀ ▪
+            ██ ▄▄██▀▐█▄█▀▀█  ▐█.▪██▪   ▄█▀▄ ▄█ ▀█▄
+            ▐███▌██▌▐▀▐█ ▪▐▌ ▐█▌·▐█▌▐▌▐█▌.▐▌▐█▄▪▐█
+            ·▀▀▀ ▀▀▀ · ▀  ▀  ▀▀▀ .▀▀▀  ▀█▄▀▪·▀▀▀▀ 
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            ,. - .,               .·¨'`;        ,.·´¨;\                   ,.,   '               ,  . .,  °             ,.  '              , ·. ,.-·~·.,   ‘              ,.-·^*ª'` ·,        
+            ,·'´ ,. - ,   ';\          ';   ;'\       ';   ;::\                ;´   '· .,        ;'´    ,   ., _';\'         /   ';\             /  ·'´,.-·-.,   `,'‚           .·´ ,·'´:¯'`·,  '\‘     
+        ,·´  .'´\:::::;'   ;:'\ '       ;   ;::'\      ,'   ;::';             .´  .-,    ';\      \:´¨¯:;'   `;::'\:'\      ,'   ,'::'\           /  .'´\:::::::'\   '\ °       ,´  ,'\:::::::::\,.·\'    
+       /  ,'´::::'\;:-/   ,' ::;  '     ;  ;::_';,. ,.'   ;:::';°           /   /:\:';   ;:'\'      \::::;   ,'::_'\;'     ,'    ;:::';'       ,·'  ,'::::\:;:-·-:';  ';\‚      /   /:::\;·'´¯'`·;\:::\°  
+     ,'   ;':::::;'´ ';   /\::;' '     .'     ,. -·~-·,   ;:::'; '         ,'  ,'::::'\';  ;::';          ,'  ,'::;'  ‘       ';   ,':::;'       ;.   ';:::;´       ,'  ,':'\‚    ;   ;:::;'          '\;:·´  
+     ;   ;:::::;   '\*'´\::\'  °     ';   ;'\::::::::;  '/::::;       ,.-·'  '·~^*'´¨,  ';::;          ;  ;:::;  °       ;  ,':::;' '        ';   ;::;       ,'´ .'´\::';‚  ';   ;::/      ,·´¯';  °    
+     ';   ';::::';    '\::'\/.'         ;  ';:;\;::-··;  ;::::;        ':,  ,·:²*´¨¯'`;  ;::';          ;  ;::;'  ‘       ,'  ,'::;'           ';   ':;:   ,.·´,.·´::::\;'°  ';   '·;'   ,.·´,    ;'\      
+      \    '·:;:'_ ,. -·'´.·´\‘       ':,.·´\;'    ;' ,' :::/  '       ,'  / \::::::::';  ;::';          ;  ;::;'‚         ;  ';_:,.-·´';\‘     \·,   `*´,.·'´::::::;·´     \'·.    `'´,.·:´';   ;::\'    
+       '\:` ·  .,.  -·:´::::::\'       \:::::\    \·.'::::;         ,' ,'::::\·²*'´¨¯':,'\:;           ',.'\::;'‚         ',   _,.-·'´:\:\‘     \\:¯::\:::::::;:·´         '\::\¯::::::::';   ;::'; ‘  
+         \:::::::\:::::::;:·'´'          \;:·´     \:\::';          \`¨\:::/          \::\'            \::\:;'‚          \¨:::::::::::\';      `\:::::\;::·'´  °            `·:\:::;:·´';.·´\::;'     
+           `· :;::\;::-·´                          `·\;'            '\::\;'            '\;'  '           \;:'      ‘       '\;::_;:-·'´‘            ¯                           ¯      \::::\;'‚     
+                                                      '               `¨'                                °                '¨                      ‘                                    '\:·´'       
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            ▄████▄   ██░ ██  ▄▄▄      ▄▄▄█████▓ ██▓     ▒█████    ▄████ 
+            ▒██▀ ▀█  ▓██░ ██▒▒████▄    ▓  ██▒ ▓▒▓██▒    ▒██▒  ██▒ ██▒ ▀█▒
+            ▒▓█    ▄ ▒██▀▀██░▒██  ▀█▄  ▒ ▓██░ ▒░▒██░    ▒██░  ██▒▒██░▄▄▄░
+            ▒▓▓▄ ▄██▒░▓█ ░██ ░██▄▄▄▄██ ░ ▓██▓ ░ ▒██░    ▒██   ██░░▓█  ██▓
+            ▒ ▓███▀ ░░▓█▒░██▓ ▓█   ▓██▒  ▒██▒ ░ ░██████▒░ ████▓▒░░▒▓███▀▒
+            ░ ░▒ ▒  ░ ▒ ░░▒░▒ ▒▒   ▓▒█░  ▒ ░░   ░ ▒░▓  ░░ ▒░▒░▒░  ░▒   ▒ 
+              ░  ▒    ▒ ░▒░ ░  ▒   ▒▒ ░    ░    ░ ░ ▒  ░  ░ ▒ ▒░   ░   ░ 
+            ░         ░  ░░ ░  ░   ▒     ░        ░ ░   ░ ░ ░ ▒  ░ ░   ░ 
+            ░ ░       ░  ░  ░      ░  ░             ░  ░    ░ ░        ░ 
+            ░                                                            
+        </pre>
+        <pre style="float:left;white-space:pre-wrap;" class="random-paragraph">
+            ▄█▄     ▄  █ ██      ▄▄▄▄▀ █     ████▄   ▄▀  
+            █▀ ▀▄  █   █ █ █  ▀▀▀ █    █     █   █ ▄▀    
+            █   ▀  ██▀▀█ █▄▄█     █    █     █   █ █ ▀▄  
+            █▄  ▄▀ █   █ █  █    █     ███▄  ▀████ █   █ 
+            ▀███▀     █     █   ▀          ▀        ███  
+                     ▀     █                             
+                          ▀                              
+        </pre>
+    </div>
+    <script>
+        window.onload = function() {
+            showRandomParagraph();
+        };
+        function showRandomParagraph() {
+            const paragraphs = document.getElementsByClassName("random-paragraph");            
+            for (let i = 0; i < paragraphs.length; i++) {
+                paragraphs[i].style.display = "none";
+            }
+            const randomIndex = Math.floor(Math.random() * paragraphs.length);
+            paragraphs[randomIndex].style.display = "block";
+        }
+    </script>
+</body>
+</html>
diff --git a/internal/chatlog/manager.go b/internal/chatlog/manager.go
new file mode 100644
index 0000000..b55174f
--- /dev/null
+++ b/internal/chatlog/manager.go
@@ -0,0 +1,202 @@
+package chatlog
+
+import (
+	"fmt"
+	"path/filepath"
+
+	"github.com/sjzar/chatlog/internal/chatlog/conf"
+	"github.com/sjzar/chatlog/internal/chatlog/ctx"
+	"github.com/sjzar/chatlog/internal/chatlog/database"
+	"github.com/sjzar/chatlog/internal/chatlog/http"
+	"github.com/sjzar/chatlog/internal/chatlog/mcp"
+	"github.com/sjzar/chatlog/internal/chatlog/wechat"
+	"github.com/sjzar/chatlog/pkg/util"
+)
+
+// Manager 管理聊天日志应用
+type Manager struct {
+	conf *conf.Service
+	ctx  *ctx.Context
+
+	// Services
+	db     *database.Service
+	http   *http.Service
+	mcp    *mcp.Service
+	wechat *wechat.Service
+
+	// Terminal UI
+	app *App
+}
+
+func New(configPath string) (*Manager, error) {
+
+	// 创建配置服务
+	conf, err := conf.NewService(configPath)
+	if err != nil {
+		return nil, err
+	}
+
+	// 创建应用上下文
+	ctx := ctx.New(conf)
+
+	wechat := wechat.NewService(ctx)
+
+	db := database.NewService(ctx)
+
+	mcp := mcp.NewService(ctx, db)
+
+	http := http.NewService(ctx, db, mcp)
+
+	return &Manager{
+		conf:   conf,
+		ctx:    ctx,
+		db:     db,
+		mcp:    mcp,
+		http:   http,
+		wechat: wechat,
+	}, nil
+}
+
+func (m *Manager) Run() error {
+
+	m.ctx.WeChatInstances = m.wechat.GetWeChatInstances()
+	if len(m.ctx.WeChatInstances) >= 1 {
+		m.ctx.SwitchCurrent(m.ctx.WeChatInstances[0])
+	}
+
+	if m.ctx.HTTPEnabled {
+		// 启动HTTP服务
+		if err := m.StartService(); err != nil {
+			return err
+		}
+	}
+	// 启动终端UI
+	m.app = NewApp(m.ctx, m)
+	m.app.Run() // 阻塞
+	return nil
+}
+
+func (m *Manager) StartService() error {
+
+	// 按依赖顺序启动服务
+	if err := m.db.Start(); err != nil {
+		return err
+	}
+
+	if err := m.mcp.Start(); err != nil {
+		m.db.Stop() // 回滚已启动的服务
+		return err
+	}
+
+	if err := m.http.Start(); err != nil {
+		m.mcp.Stop() // 回滚已启动的服务
+		m.db.Stop()
+		return err
+	}
+
+	// 更新状态
+	m.ctx.SetHTTPEnabled(true)
+
+	return nil
+}
+
+func (m *Manager) StopService() error {
+	// 按依赖的反序停止服务
+	var errs []error
+
+	if err := m.http.Stop(); err != nil {
+		errs = append(errs, err)
+	}
+
+	if err := m.mcp.Stop(); err != nil {
+		errs = append(errs, err)
+	}
+
+	if err := m.db.Stop(); err != nil {
+		errs = append(errs, err)
+	}
+
+	// 更新状态
+	m.ctx.SetHTTPEnabled(false)
+
+	// 如果有错误，返回第一个错误
+	if len(errs) > 0 {
+		return errs[0]
+	}
+
+	return nil
+}
+
+func (m *Manager) GetDataKey() error {
+	if m.ctx.Current == nil {
+		return fmt.Errorf("未选择任何账号")
+	}
+	if _, err := m.wechat.GetDataKey(m.ctx.Current); err != nil {
+		return err
+	}
+	m.ctx.Refresh()
+	m.ctx.UpdateConfig()
+	return nil
+}
+
+func (m *Manager) DecryptDBFiles() error {
+	if m.ctx.DataKey == "" {
+		if m.ctx.Current == nil {
+			return fmt.Errorf("未选择任何账号")
+		}
+		if err := m.GetDataKey(); err != nil {
+			return err
+		}
+	}
+	if m.ctx.WorkDir == "" {
+		m.ctx.WorkDir = util.DefaultWorkDir(m.ctx.Account)
+	}
+
+	if err := m.wechat.DecryptDBFiles(m.ctx.DataDir, m.ctx.WorkDir, m.ctx.DataKey, m.ctx.MajorVersion); err != nil {
+		return err
+	}
+	m.ctx.Refresh()
+	m.ctx.UpdateConfig()
+	return nil
+}
+
+func (m *Manager) CommandKey(pid int) (string, error) {
+	instances := m.wechat.GetWeChatInstances()
+	if len(instances) == 0 {
+		return "", fmt.Errorf("wechat process not found")
+	}
+	if len(instances) == 1 {
+		return instances[0].GetKey()
+	}
+	if pid == 0 {
+		str := "Select a process:\n"
+		for _, ins := range instances {
+			str += fmt.Sprintf("PID: %d. %s[Version: %s Data Dir: %s ]\n", ins.PID, ins.AccountName, ins.Version.FileVersion, ins.DataDir)
+		}
+		return str, nil
+	}
+	for _, ins := range instances {
+		if ins.PID == uint32(pid) {
+			return ins.GetKey()
+		}
+	}
+	return "", fmt.Errorf("wechat process not found")
+}
+
+func (m *Manager) CommandDecrypt(dataDir string, workDir string, key string, version int) error {
+	if dataDir == "" {
+		return fmt.Errorf("dataDir is required")
+	}
+	if key == "" {
+		return fmt.Errorf("key is required")
+	}
+	if workDir == "" {
+		workDir = util.DefaultWorkDir(filepath.Base(filepath.Dir(dataDir)))
+	}
+
+	if err := m.wechat.DecryptDBFiles(dataDir, workDir, key, version); err != nil {
+		return err
+	}
+
+	return nil
+}
diff --git a/internal/chatlog/mcp/const.go b/internal/chatlog/mcp/const.go
new file mode 100644
index 0000000..35ffe63
--- /dev/null
+++ b/internal/chatlog/mcp/const.go
@@ -0,0 +1,96 @@
+package mcp
+
+import (
+	"github.com/sjzar/chatlog/internal/mcp"
+)
+
+// MCPTools 和资源定义
+var (
+	InitializeResponse = mcp.InitializeResponse{
+		ProtocolVersion: mcp.ProtocolVersion,
+		Capabilities:    mcp.DefaultCapabilities,
+		ServerInfo: mcp.ServerInfo{
+			Name:    "chatlog",
+			Version: "0.0.1",
+		},
+	}
+
+	ToolContact = mcp.Tool{
+		Name:        "query_contact",
+		Description: "查询用户的联系人信息。可以通过姓名、备注名或ID进行查询，返回匹配的联系人列表。当用户询问某人的联系方式、想了解联系人信息或需要查找特定联系人时使用此工具。参数为空时，将返回联系人列表",
+		InputSchema: mcp.ToolSchema{
+			Type: "object",
+			Properties: mcp.M{
+				"query": mcp.M{
+					"type":        "string",
+					"description": "联系人的搜索关键词，可以是姓名、备注名或ID。",
+				},
+			},
+		},
+	}
+
+	ToolChatRoom = mcp.Tool{
+		Name:        "query_chat_room",
+		Description: "查询用户参与的群聊信息。可以通过群名称、群ID或相关关键词进行查询，返回匹配的群聊列表。当用户询问群聊信息、想了解某个群的详情或需要查找特定群聊时使用此工具。",
+		InputSchema: mcp.ToolSchema{
+			Type: "object",
+			Properties: mcp.M{
+				"query": mcp.M{
+					"type":        "string",
+					"description": "群聊的搜索关键词，可以是群名称、群ID或相关描述",
+				},
+			},
+		},
+	}
+
+	ToolRecentChat = mcp.Tool{
+		Name:        "query_recent_chat",
+		Description: "查询最近会话列表，包括个人聊天和群聊。当用户想了解最近的聊天记录、查看最近联系过的人或群组时使用此工具。不需要参数，直接返回最近的会话列表。",
+		InputSchema: mcp.ToolSchema{
+			Type:       "object",
+			Properties: mcp.M{},
+		},
+	}
+
+	ToolChatLog = mcp.Tool{
+		Name:        "chatlog",
+		Description: "查询特定时间或时间段内与特定联系人或群组的聊天记录。当用户需要回顾过去的对话内容、查找特定信息或想了解与某人/某群的历史交流时使用此工具。",
+		InputSchema: mcp.ToolSchema{
+			Type: "object",
+			Properties: mcp.M{
+				"time": mcp.M{
+					"type":        "string",
+					"description": "查询的时间点或时间段。可以是具体时间，例如 YYYY-MM-DD，也可以是时间段，例如 YYYY-MM-DD~YYYY-MM-DD，时间段之间用\"~\"分隔。",
+				},
+				"talker": mcp.M{
+					"type":        "string",
+					"description": "交谈对象，可以是联系人或群聊。支持使用ID、昵称、备注名等进行查询。",
+				},
+			},
+		},
+	}
+
+	ResourceRecentChat = mcp.Resource{
+		Name:        "最近会话",
+		URI:         "session://recent",
+		Description: "获取最近的聊天会话列表",
+	}
+
+	ResourceTemplateContact = mcp.ResourceTemplate{
+		Name:        "联系人信息",
+		URITemplate: "contact://{username}",
+		Description: "获取指定联系人的详细信息",
+	}
+
+	ResourceTemplateChatRoom = mcp.ResourceTemplate{
+		Name:        "群聊信息",
+		URITemplate: "chatroom://{roomid}",
+		Description: "获取指定群聊的详细信息",
+	}
+
+	ResourceTemplateChatlog = mcp.ResourceTemplate{
+		Name:        "聊天记录",
+		URITemplate: "chatlog://{talker}/{timeframe}?limit,offset",
+		Description: "获取与特定联系人或群聊的聊天记录",
+	}
+)
diff --git a/internal/chatlog/mcp/service.go b/internal/chatlog/mcp/service.go
new file mode 100644
index 0000000..6399286
--- /dev/null
+++ b/internal/chatlog/mcp/service.go
@@ -0,0 +1,357 @@
+package mcp
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"github.com/sjzar/chatlog/internal/chatlog/ctx"
+	"github.com/sjzar/chatlog/internal/chatlog/database"
+	"github.com/sjzar/chatlog/internal/mcp"
+	"github.com/sjzar/chatlog/pkg/util"
+
+	"github.com/gin-gonic/gin"
+)
+
+type Service struct {
+	ctx *ctx.Context
+	db  *database.Service
+
+	mcp *mcp.MCP
+}
+
+func NewService(ctx *ctx.Context, db *database.Service) *Service {
+	return &Service{
+		ctx: ctx,
+		db:  db,
+	}
+}
+
+// GetMCP 获取底层MCP实例
+func (s *Service) GetMCP() *mcp.MCP {
+	return s.mcp
+}
+
+// Start 启动MCP服务
+func (s *Service) Start() error {
+	s.mcp = mcp.NewMCP()
+	go s.worker()
+	return nil
+}
+
+// Stop 停止MCP服务
+func (s *Service) Stop() error {
+	if s.mcp != nil {
+		s.mcp.Close()
+	}
+	return nil
+}
+
+// worker 处理MCP请求
+func (s *Service) worker() {
+	for {
+		select {
+		case p, ok := <-s.mcp.ProcessChan:
+			if !ok {
+				return
+			}
+			s.processMCP(p.Session, p.Request)
+		}
+	}
+}
+
+func (s *Service) HandleSSE(c *gin.Context) {
+	s.mcp.HandleSSE(c)
+}
+
+func (s *Service) HandleMessages(c *gin.Context) {
+	s.mcp.HandleMessages(c)
+}
+
+// processMCP 处理MCP请求
+func (s *Service) processMCP(session *mcp.Session, req *mcp.Request) {
+	var err error
+	switch req.Method {
+	case mcp.MethodInitialize:
+		err = s.initialize(session, req)
+	case mcp.MethodToolsList:
+		err = s.sendCustomParams(session, req, mcp.M{"tools": []mcp.Tool{
+			ToolContact,
+			ToolChatRoom,
+			ToolRecentChat,
+			ToolChatLog,
+		}})
+	case mcp.MethodToolsCall:
+		err = s.toolsCall(session, req)
+	case mcp.MethodPromptsList:
+		err = s.sendCustomParams(session, req, mcp.M{"prompts": []mcp.Prompt{}})
+	case mcp.MethodResourcesList:
+		err = s.sendCustomParams(session, req, mcp.M{"resources": []mcp.Resource{
+			ResourceRecentChat,
+		}})
+	case mcp.MethodResourcesTemplateList:
+		err = s.sendCustomParams(session, req, mcp.M{"resourceTemplates": []mcp.ResourceTemplate{
+			ResourceTemplateContact,
+			ResourceTemplateChatRoom,
+			ResourceTemplateChatlog,
+		}})
+	case mcp.MethodResourcesRead:
+		err = s.resourcesRead(session, req)
+	case mcp.MethodPing:
+		err = s.sendCustomParams(session, req, struct{}{})
+	}
+
+	if err != nil {
+		session.WriteError(req, err)
+	}
+}
+
+// initialize 处理初始化请求
+func (s *Service) initialize(session *mcp.Session, req *mcp.Request) error {
+	initReq, err := parseParams[mcp.InitializeRequest](req.Params)
+	if err != nil {
+		return fmt.Errorf("解析初始化参数失败: %v", err)
+	}
+	session.SaveClientInfo(initReq.ClientInfo)
+
+	return session.WriteResponse(req, InitializeResponse)
+}
+
+// toolsCall 处理工具调用
+func (s *Service) toolsCall(session *mcp.Session, req *mcp.Request) error {
+	callReq, err := parseParams[mcp.ToolsCallRequest](req.Params)
+	if err != nil {
+		return fmt.Errorf("解析工具调用参数失败: %v", err)
+	}
+
+	buf := &bytes.Buffer{}
+	switch callReq.Name {
+	case "query_contact":
+		query := ""
+		if v, ok := callReq.Arguments["query"]; ok {
+			query = v.(string)
+		}
+		if len(query) == 0 {
+			list, err := s.db.ListContact()
+			if err != nil {
+				return fmt.Errorf("无法获取联系人列表: %v", err)
+			}
+			buf.WriteString("UserName,Alias,Remark,NickName\n")
+			for _, contact := range list.Items {
+				buf.WriteString(fmt.Sprintf("%s,%s,%s,%s\n", contact.UserName, contact.Alias, contact.Remark, contact.NickName))
+			}
+		} else {
+			contact := s.db.GetContact(query)
+			if contact == nil {
+				return fmt.Errorf("无法获取联系人: %s", query)
+			}
+			b, err := json.Marshal(contact)
+			if err != nil {
+				return fmt.Errorf("无法序列化联系人: %v", err)
+			}
+			buf.Write(b)
+		}
+	case "query_chat_room":
+		query := ""
+		if v, ok := callReq.Arguments["query"]; ok {
+			query = v.(string)
+		}
+		if len(query) == 0 {
+			list, err := s.db.ListChatRoom()
+			if err != nil {
+				return fmt.Errorf("无法获取群聊列表: %v", err)
+			}
+			buf.WriteString("Name,Remark,NickName,Owner,UserCount\n")
+			for _, chatRoom := range list.Items {
+				buf.WriteString(fmt.Sprintf("%s,%s,%s,%s,%d\n", chatRoom.Name, chatRoom.Remark, chatRoom.NickName, chatRoom.Owner, len(chatRoom.Users)))
+			}
+		} else {
+			chatRoom := s.db.GetChatRoom(query)
+			if chatRoom == nil {
+				return fmt.Errorf("无法获取群聊: %s", query)
+			}
+			b, err := json.Marshal(chatRoom)
+			if err != nil {
+				return fmt.Errorf("无法序列化群聊: %v", err)
+			}
+			buf.Write(b)
+		}
+	case "query_recent_chat":
+		data, err := s.db.GetSession(0)
+		if err != nil {
+			return fmt.Errorf("无法获取会话列表: %v", err)
+		}
+		for _, session := range data.Items {
+			buf.WriteString(session.PlainText(120))
+			buf.WriteString("\n")
+		}
+	case "chatlog":
+		if callReq.Arguments == nil {
+			return mcp.ErrInvalidParams
+		}
+		_time := ""
+		if v, ok := callReq.Arguments["time"]; ok {
+			_time = v.(string)
+		}
+		start, end, ok := util.TimeRangeOf(_time)
+		if !ok {
+			return fmt.Errorf("无法解析时间范围")
+		}
+		talker := ""
+		if v, ok := callReq.Arguments["talker"]; ok {
+			talker = v.(string)
+		}
+		limit := util.MustAnyToInt(callReq.Arguments["limit"])
+		if limit == 0 {
+			limit = 100
+		}
+		offset := util.MustAnyToInt(callReq.Arguments["offset"])
+		messages, err := s.db.GetMessages(start, end, talker, limit, offset)
+		if err != nil {
+			return fmt.Errorf("无法获取聊天记录: %v", err)
+		}
+		for _, m := range messages {
+			buf.WriteString(m.PlainText(len(talker) == 0))
+			buf.WriteString("\n")
+		}
+	default:
+		return fmt.Errorf("未支持的工具: %s", callReq.Name)
+	}
+
+	resp := mcp.ToolsCallResponse{
+		Content: []mcp.Content{
+			{Type: "text", Text: buf.String()},
+		},
+		IsError: false,
+	}
+	return session.WriteResponse(req, resp)
+}
+
+// resourcesRead 处理资源读取
+func (s *Service) resourcesRead(session *mcp.Session, req *mcp.Request) error {
+	readReq, err := parseParams[mcp.ResourcesReadRequest](req.Params)
+	if err != nil {
+		return fmt.Errorf("解析资源读取参数失败: %v", err)
+	}
+
+	u, err := url.Parse(readReq.URI)
+	if err != nil {
+		return fmt.Errorf("无法解析URI: %v", err)
+	}
+
+	buf := &bytes.Buffer{}
+	switch u.Scheme {
+	case "contact":
+		if len(u.Host) == 0 {
+			list, err := s.db.ListContact()
+			if err != nil {
+				return fmt.Errorf("无法获取联系人列表: %v", err)
+			}
+			buf.WriteString("UserName,Alias,Remark,NickName\n")
+			for _, contact := range list.Items {
+				buf.WriteString(fmt.Sprintf("%s,%s,%s,%s\n", contact.UserName, contact.Alias, contact.Remark, contact.NickName))
+			}
+		} else {
+			contact := s.db.GetContact(u.Host)
+			if contact == nil {
+				return fmt.Errorf("无法获取联系人: %s", u.Host)
+			}
+			b, err := json.Marshal(contact)
+			if err != nil {
+				return fmt.Errorf("无法序列化联系人: %v", err)
+			}
+			buf.Write(b)
+		}
+	case "chatroom":
+		if len(u.Host) == 0 {
+			list, err := s.db.ListChatRoom()
+			if err != nil {
+				return fmt.Errorf("无法获取群聊列表: %v", err)
+			}
+			buf.WriteString("Name,Remark,NickName,Owner,UserCount\n")
+			for _, chatRoom := range list.Items {
+				buf.WriteString(fmt.Sprintf("%s,%s,%s,%s,%d\n", chatRoom.Name, chatRoom.Remark, chatRoom.NickName, chatRoom.Owner, len(chatRoom.Users)))
+			}
+		} else {
+			chatRoom := s.db.GetChatRoom(u.Host)
+			if chatRoom == nil {
+				return fmt.Errorf("无法获取群聊: %s", u.Host)
+			}
+			b, err := json.Marshal(chatRoom)
+			if err != nil {
+				return fmt.Errorf("无法序列化群聊: %v", err)
+			}
+			buf.Write(b)
+		}
+	case "session":
+		data, err := s.db.GetSession(0)
+		if err != nil {
+			return fmt.Errorf("无法获取会话列表: %v", err)
+		}
+		for _, session := range data.Items {
+			buf.WriteString(session.PlainText(120))
+			buf.WriteString("\n")
+		}
+	case "chatlog":
+		start, end, ok := util.TimeRangeOf(strings.TrimPrefix(u.Path, "/"))
+		if !ok {
+			return fmt.Errorf("无法解析时间范围")
+		}
+		limit := util.MustAnyToInt(u.Query().Get("limit"))
+		if limit == 0 {
+			limit = 100
+		}
+		offset := util.MustAnyToInt(u.Query().Get("offset"))
+		messages, err := s.db.GetMessages(start, end, u.Host, limit, offset)
+		if err != nil {
+			return fmt.Errorf("无法获取聊天记录: %v", err)
+		}
+		for _, m := range messages {
+			buf.WriteString(m.PlainText(len(u.Host) == 0))
+			buf.WriteString("\n")
+		}
+	default:
+		return fmt.Errorf("不支持的URI: %s", readReq.URI)
+	}
+
+	resp := mcp.ReadingResource{
+		Contents: []mcp.ReadingResourceContent{
+			{URI: readReq.URI, Text: buf.String()},
+		},
+	}
+	return session.WriteResponse(req, resp)
+}
+
+// sendCustomParams 发送自定义参数
+func (s *Service) sendCustomParams(session *mcp.Session, req *mcp.Request, params interface{}) error {
+	b, err := json.Marshal(mcp.NewResponse(req.ID, params))
+	if err != nil {
+		return fmt.Errorf("无法序列化响应: %v", err)
+	}
+	session.Write(b)
+	return nil
+}
+
+// parseParams 解析参数
+func parseParams[T any](params interface{}) (*T, error) {
+	if params == nil {
+		return nil, errors.New("params is nil")
+	}
+
+	// 将 params 重新编码为 JSON
+	jsonData, err := json.Marshal(params)
+	if err != nil {
+		return nil, fmt.Errorf("无法编码 params: %v", err)
+	}
+
+	// 解码到目标结构体
+	var result T
+	if err := json.Unmarshal(jsonData, &result); err != nil {
+		return nil, fmt.Errorf("无法解码为目标结构体: %v", err)
+	}
+
+	return &result, nil
+}
diff --git a/internal/chatlog/wechat/service.go b/internal/chatlog/wechat/service.go
new file mode 100644
index 0000000..6b737bb
--- /dev/null
+++ b/internal/chatlog/wechat/service.go
@@ -0,0 +1,113 @@
+package wechat
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/sjzar/chatlog/internal/chatlog/ctx"
+	"github.com/sjzar/chatlog/internal/wechat"
+	"github.com/sjzar/chatlog/pkg/util"
+)
+
+type Service struct {
+	ctx *ctx.Context
+}
+
+func NewService(ctx *ctx.Context) *Service {
+	return &Service{
+		ctx: ctx,
+	}
+}
+
+// GetWeChatInstances returns all running WeChat instances
+func (s *Service) GetWeChatInstances() []*wechat.Info {
+	wechat.Load()
+	return wechat.Items
+}
+
+// GetDataKey extracts the encryption key from a WeChat process
+func (s *Service) GetDataKey(info *wechat.Info) (string, error) {
+	if info == nil {
+		return "", fmt.Errorf("no WeChat instance selected")
+	}
+
+	key, err := info.GetKey()
+	if err != nil {
+		return "", err
+	}
+
+	return key, nil
+}
+
+// FindDBFiles finds all .db files in the specified directory
+func (s *Service) FindDBFiles(rootDir string, recursive bool) ([]string, error) {
+	// Check if directory exists
+	info, err := os.Stat(rootDir)
+	if err != nil {
+		return nil, fmt.Errorf("cannot access directory %s: %w", rootDir, err)
+	}
+
+	if !info.IsDir() {
+		return nil, fmt.Errorf("%s is not a directory", rootDir)
+	}
+
+	var dbFiles []string
+
+	// Define walk function
+	walkFunc := func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			// If a file or directory can't be accessed, log the error but continue
+			fmt.Printf("Warning: Cannot access %s: %v\n", path, err)
+			return nil
+		}
+
+		// If it's a directory and not the root directory, and we're not recursively searching, skip it
+		if info.IsDir() && path != rootDir && !recursive {
+			return filepath.SkipDir
+		}
+
+		// Check if file extension is .db
+		if !info.IsDir() && strings.ToLower(filepath.Ext(path)) == ".db" {
+			dbFiles = append(dbFiles, path)
+		}
+
+		return nil
+	}
+
+	// Start traversal
+	err = filepath.Walk(rootDir, walkFunc)
+	if err != nil {
+		return nil, fmt.Errorf("error traversing directory: %w", err)
+	}
+
+	if len(dbFiles) == 0 {
+		return nil, fmt.Errorf("no .db files found")
+	}
+
+	return dbFiles, nil
+}
+
+func (s *Service) DecryptDBFiles(dataDir string, workDir string, key string, version int) error {
+
+	dbfiles, err := s.FindDBFiles(dataDir, true)
+	if err != nil {
+		return err
+	}
+
+	for _, dbfile := range dbfiles {
+		output := filepath.Join(workDir, dbfile[len(dataDir):])
+		if err := util.PrepareDir(filepath.Dir(output)); err != nil {
+			return err
+		}
+		if err := wechat.DecryptDBFileToFile(dbfile, output, key, version); err != nil {
+			if err == wechat.ErrAlreadyDecrypted {
+				continue
+			}
+			return err
+		}
+	}
+
+	return nil
+}
diff --git a/internal/errors/errors.go b/internal/errors/errors.go
new file mode 100644
index 0000000..12f7e65
--- /dev/null
+++ b/internal/errors/errors.go
@@ -0,0 +1,85 @@
+package errors
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+// 定义错误类型常量
+const (
+	ErrTypeDatabase   = "database"
+	ErrTypeWeChat     = "wechat"
+	ErrTypeHTTP       = "http"
+	ErrTypeConfig     = "config"
+	ErrTypeInvalidArg = "invalid_argument"
+)
+
+// AppError 表示应用程序错误
+type AppError struct {
+	Type    string `json:"type"`    // 错误类型
+	Message string `json:"message"` // 错误消息
+	Cause   error  `json:"-"`       // 原始错误
+	Code    int    `json:"-"`       // HTTP Code
+}
+
+func (e *AppError) Error() string {
+	if e.Cause != nil {
+		return fmt.Sprintf("%s: %s: %v", e.Type, e.Message, e.Cause)
+	}
+	return fmt.Sprintf("%s: %s", e.Type, e.Message)
+}
+
+func (e *AppError) String() string {
+	return e.Error()
+}
+
+// New 创建新的应用错误
+func New(errType, message string, cause error, code int) *AppError {
+	return &AppError{
+		Type:    errType,
+		Message: message,
+		Cause:   cause,
+		Code:    code,
+	}
+}
+
+// ErrInvalidArg 无效参数错误
+func ErrInvalidArg(param string) *AppError {
+	return New(ErrTypeInvalidArg, fmt.Sprintf("invalid arg: %s", param), nil, http.StatusBadRequest)
+}
+
+// Database 创建数据库错误
+func Database(message string, cause error) *AppError {
+	return New(ErrTypeDatabase, message, cause, http.StatusInternalServerError)
+}
+
+// WeChat 创建微信相关错误
+func WeChat(message string, cause error) *AppError {
+	return New(ErrTypeWeChat, message, cause, http.StatusInternalServerError)
+}
+
+// HTTP 创建HTTP服务错误
+func HTTP(message string, cause error) *AppError {
+	return New(ErrTypeHTTP, message, cause, http.StatusInternalServerError)
+}
+
+// Config 创建配置错误
+func Config(message string, cause error) *AppError {
+	return New(ErrTypeConfig, message, cause, http.StatusInternalServerError)
+}
+
+// Err 在HTTP响应中返回错误
+func Err(c *gin.Context, err error) {
+	if appErr, ok := err.(*AppError); ok {
+		c.JSON(appErr.Code, appErr)
+		return
+	}
+
+	// 未知错误
+	c.JSON(http.StatusInternalServerError, gin.H{
+		"type":    "unknown",
+		"message": err.Error(),
+	})
+}
diff --git a/internal/mcp/error.go b/internal/mcp/error.go
new file mode 100644
index 0000000..0dae03a
--- /dev/null
+++ b/internal/mcp/error.go
@@ -0,0 +1,55 @@
+package mcp
+
+import (
+	"fmt"
+)
+
+// enum ErrorCode {
+// 	// Standard JSON-RPC error codes
+// 	ParseError = -32700,
+// 	InvalidRequest = -32600,
+// 	MethodNotFound = -32601,
+// 	InvalidParams = -32602,
+// 	InternalError = -32603
+// }
+
+// Error
+type Error struct {
+	Code    int         `json:"code"`
+	Message string      `json:"message"`
+	Data    interface{} `json:"data,omitempty"`
+}
+
+var (
+	ErrParseError     = &Error{Code: -32700, Message: "Parse error"}
+	ErrInvalidRequest = &Error{Code: -32600, Message: "Invalid Request"}
+	ErrMethodNotFound = &Error{Code: -32601, Message: "Method not found"}
+	ErrInvalidParams  = &Error{Code: -32602, Message: "Invalid params"}
+	ErrInternalError  = &Error{Code: -32603, Message: "Internal error"}
+
+	ErrInvalidSessionID = &Error{Code: 400, Message: "Invalid session ID"}
+	ErrSessionNotFound  = &Error{Code: 404, Message: "Could not find session"}
+	ErrTooManyRequests  = &Error{Code: 429, Message: "Too many requests"}
+)
+
+func (e *Error) Error() string {
+	return fmt.Sprintf("%d: %s", e.Code, e.Message)
+}
+
+func (e *Error) JsonRPC() Response {
+	return Response{
+		JsonRPC: JsonRPCVersion,
+		Error:   e,
+	}
+}
+
+func NewErrorResponse(id interface{}, code int, err error) *Response {
+	return &Response{
+		JsonRPC: JsonRPCVersion,
+		ID:      id,
+		Error: &Error{
+			Code:    code,
+			Message: err.Error(),
+		},
+	}
+}
diff --git a/internal/mcp/initialize.go b/internal/mcp/initialize.go
new file mode 100644
index 0000000..8cf2482
--- /dev/null
+++ b/internal/mcp/initialize.go
@@ -0,0 +1,78 @@
+package mcp
+
+const (
+	MethodInitialize = "initialize"
+	MethodPing       = "ping"
+	ProtocolVersion  = "2024-11-05"
+)
+
+//	{
+//		"method": "initialize",
+//		"params": {
+//		  "protocolVersion": "2024-11-05",
+//		  "capabilities": {
+//			"sampling": {},
+//			"roots": {
+//			  "listChanged": true
+//			}
+//		  },
+//		  "clientInfo": {
+//			"name": "mcp-inspector",
+//			"version": "0.0.1"
+//		  }
+//		},
+//		"jsonrpc": "2.0",
+//		"id": 0
+//	  }
+type InitializeRequest struct {
+	ProtocolVersion string      `json:"protocolVersion"`
+	Capabilities    M           `json:"capabilities"`
+	ClientInfo      *ClientInfo `json:"clientInfo"`
+}
+
+type ClientInfo struct {
+	Name    string `json:"name"`
+	Version string `json:"version"`
+}
+
+//	{
+//		"jsonrpc": "2.0",
+//		"id": 0,
+//		"result": {
+//		  "protocolVersion": "2024-11-05",
+//		  "capabilities": {
+//			"experimental": {},
+//			"prompts": {
+//			  "listChanged": false
+//			},
+//			"resources": {
+//			  "subscribe": false,
+//			  "listChanged": false
+//			},
+//			"tools": {
+//			  "listChanged": false
+//			}
+//		  },
+//		  "serverInfo": {
+//			"name": "weather",
+//			"version": "1.4.1"
+//		  }
+//		}
+//	  }
+type InitializeResponse struct {
+	ProtocolVersion string     `json:"protocolVersion"`
+	Capabilities    M          `json:"capabilities"`
+	ServerInfo      ServerInfo `json:"serverInfo"`
+}
+
+type ServerInfo struct {
+	Name    string `json:"name"`
+	Version string `json:"version"`
+}
+
+var DefaultCapabilities = M{
+	"experimental": M{},
+	"prompts":      M{"listChanged": false},
+	"resources":    M{"subscribe": false, "listChanged": false},
+	"tools":        M{"listChanged": false},
+}
diff --git a/internal/mcp/jsonrpc.go b/internal/mcp/jsonrpc.go
new file mode 100644
index 0000000..9431c67
--- /dev/null
+++ b/internal/mcp/jsonrpc.go
@@ -0,0 +1,62 @@
+package mcp
+
+const (
+	JsonRPCVersion = "2.0"
+)
+
+// Documents: https://modelcontextprotocol.io/docs/concepts/transports
+
+// Request
+//
+//	{
+//		jsonrpc: "2.0",
+//		id: number | string,
+//		method: string,
+//		params?: object
+//	}
+type Request struct {
+	JsonRPC string      `json:"jsonrpc"`
+	ID      interface{} `json:"id"`
+	Method  string      `json:"method"`
+	Params  interface{} `json:"params,omitempty"`
+}
+
+// Response
+//
+//	{
+//		jsonrpc: "2.0",
+//		id: number | string,
+//		result?: object,
+//		error?: {
+//			code: number,
+//			message: string,
+//			data?: unknown
+//		}
+//	}
+type Response struct {
+	JsonRPC string      `json:"jsonrpc"`
+	ID      interface{} `json:"id"`
+	Result  interface{} `json:"result,omitempty"`
+	Error   *Error      `json:"error,omitempty"`
+}
+
+func NewResponse(id interface{}, result interface{}) *Response {
+	return &Response{
+		JsonRPC: JsonRPCVersion,
+		ID:      id,
+		Result:  result,
+	}
+}
+
+// Notifications
+//
+//	{
+//		jsonrpc: "2.0",
+//		method: string,
+//		params?: object
+//	}
+type Notification struct {
+	JsonRPC string      `json:"jsonrpc"`
+	Method  string      `json:"method"`
+	Params  interface{} `json:"params,omitempty"`
+}
diff --git a/internal/mcp/mcp.go b/internal/mcp/mcp.go
new file mode 100644
index 0000000..79306f7
--- /dev/null
+++ b/internal/mcp/mcp.go
@@ -0,0 +1,107 @@
+package mcp
+
+import (
+	"io"
+	"net/http"
+	"sync"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	log "github.com/sirupsen/logrus"
+)
+
+const (
+	ProcessChanCap = 1000
+)
+
+type MCP struct {
+	sessions  map[string]*Session
+	sessionMu sync.Mutex
+
+	ProcessChan chan ProcessCtx
+}
+
+func NewMCP() *MCP {
+	return &MCP{
+		sessions:    make(map[string]*Session),
+		ProcessChan: make(chan ProcessCtx, ProcessChanCap),
+	}
+}
+
+func (m *MCP) HandleSSE(c *gin.Context) {
+	id := uuid.New().String()
+	m.sessionMu.Lock()
+	m.sessions[id] = NewSession(c, id)
+	m.sessionMu.Unlock()
+
+	c.Stream(func(w io.Writer) bool {
+		<-c.Request.Context().Done()
+		return false
+	})
+
+	m.sessionMu.Lock()
+	delete(m.sessions, id)
+	m.sessionMu.Unlock()
+}
+
+func (m *MCP) GetSession(id string) *Session {
+	m.sessionMu.Lock()
+	defer m.sessionMu.Unlock()
+	return m.sessions[id]
+}
+
+func (m *MCP) HandleMessages(c *gin.Context) {
+
+	// panic("xxx")
+
+	// 啊这, 一个 sessionid 有 3 种写法 session_id, sessionId, sessionid
+	// 官方 SDK 是 session_id: https://github.com/modelcontextprotocol/python-sdk/blob/c897868/src/mcp/server/sse.py#L98
+	// 写的是 sessionId: https://github.com/modelcontextprotocol/inspector/blob/aeaf32f/server/src/index.ts#L157
+
+	sessionID := c.Query("session_id")
+	if sessionID == "" {
+		sessionID = c.Query("sessionId")
+	}
+	if sessionID == "" {
+		sessionID = c.Param("sessionid")
+	}
+	if sessionID == "" {
+		c.JSON(http.StatusBadRequest, ErrInvalidSessionID.JsonRPC())
+		c.Abort()
+		return
+	}
+
+	session := m.GetSession(sessionID)
+	if session == nil {
+		c.JSON(http.StatusNotFound, ErrSessionNotFound.JsonRPC())
+		c.Abort()
+		return
+	}
+
+	var req Request
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, ErrInvalidRequest.JsonRPC())
+		c.Abort()
+		return
+	}
+
+	log.Printf("收到消息: %v\n", req)
+	select {
+	case m.ProcessChan <- ProcessCtx{Session: session, Request: &req}:
+	default:
+		c.JSON(http.StatusTooManyRequests, ErrTooManyRequests.JsonRPC())
+		c.Abort()
+		return
+	}
+
+	c.String(http.StatusAccepted, "Accepted")
+}
+
+func (m *MCP) Close() {
+	close(m.ProcessChan)
+}
+
+type ProcessCtx struct {
+	Session *Session
+	Request *Request
+}
diff --git a/internal/mcp/prompt.go b/internal/mcp/prompt.go
new file mode 100644
index 0000000..27284bf
--- /dev/null
+++ b/internal/mcp/prompt.go
@@ -0,0 +1,137 @@
+package mcp
+
+// Document: https://modelcontextprotocol.io/docs/concepts/prompts
+
+const (
+	// Client => Server
+	MethodPromptsList = "prompts/list"
+	MethodPromptsGet  = "prompts/get"
+)
+
+// Prompt
+//
+//	{
+//		name: string;              // Unique identifier for the prompt
+//		description?: string;      // Human-readable description
+//		arguments?: [              // Optional list of arguments
+//			{
+//				name: string;          // Argument identifier
+//				description?: string;  // Argument description
+//				required?: boolean;    // Whether argument is required
+//			}
+//		]
+//	}
+type Prompt struct {
+	Name        string           `json:"name"`
+	Description string           `json:"description,omitempty"`
+	Arguments   []PromptArgument `json:"arguments,omitempty"`
+}
+
+type PromptArgument struct {
+	Name        string `json:"name"`
+	Description string `json:"description,omitempty"`
+	Required    bool   `json:"required,omitempty"`
+}
+
+// ListPrompts
+//
+//	{
+//		prompts: [
+//			{
+//				name: "analyze-code",
+//				description: "Analyze code for potential improvements",
+//				arguments: [
+//					{
+//						name: "language",
+//						description: "Programming language",
+//						required: true
+//					}
+//				]
+//			}
+//		]
+//	}
+type PromptsListResponse struct {
+	Prompts []Prompt `json:"prompts"`
+}
+
+// Use Prompt
+// Request
+//
+//	{
+//		method: "prompts/get",
+//		params: {
+//			name: "analyze-code",
+//			arguments: {
+//				language: "python"
+//			}
+//		}
+//	}
+//
+// Response
+//
+//	{
+//		description: "Analyze Python code for potential improvements",
+//		messages: [
+//			{
+//				role: "user",
+//				content: {
+//					type: "text",
+//					text: "Please analyze the following Python code for potential improvements:\n\n```python\ndef calculate_sum(numbers):\n    total = 0\n    for num in numbers:\n        total = total + num\n    return total\n\nresult = calculate_sum([1, 2, 3, 4, 5])\nprint(result)\n```"
+//				}
+//			}
+//		]
+//	}
+type PromptsGetRequest struct {
+	Name      string `json:"name"`
+	Arguments M      `json:"arguments"`
+}
+
+type PromptsGetResponse struct {
+	Description string          `json:"description"`
+	Messages    []PromptMessage `json:"messages"`
+}
+
+type PromptMessage struct {
+	Role    string        `json:"role"`
+	Content PromptContent `json:"content"`
+}
+
+type PromptContent struct {
+	Type     string      `json:"type"`
+	Text     string      `json:"text,omitempty"`
+	Resource interface{} `json:"resource,omitempty"` // Resource or ResourceTemplate
+}
+
+// {
+// 	"messages": [
+// 		{
+// 			"role": "user",
+// 			"content": {
+// 				"type": "text",
+// 				"text": "Analyze these system logs and the code file for any issues:"
+// 			}
+// 		},
+// 		{
+// 			"role": "user",
+// 			"content": {
+// 				"type": "resource",
+// 				"resource": {
+// 					"uri": "logs://recent?timeframe=1h",
+// 					"text": "[2024-03-14 15:32:11] ERROR: Connection timeout in network.py:127\n[2024-03-14 15:32:15] WARN: Retrying connection (attempt 2/3)\n[2024-03-14 15:32:20] ERROR: Max retries exceeded",
+// 					"mimeType": "text/plain"
+// 				}
+// 			}
+// 		},
+// 		{
+// 			"role": "user",
+// 			"content": {
+// 				"type": "resource",
+// 				"resource": {
+// 					"uri": "file:///path/to/code.py",
+// 					"text": "def connect_to_service(timeout=30):\n    retries = 3\n    for attempt in range(retries):\n        try:\n            return establish_connection(timeout)\n        except TimeoutError:\n            if attempt == retries - 1:\n                raise\n            time.sleep(5)\n\ndef establish_connection(timeout):\n    # Connection implementation\n    pass",
+// 					"mimeType": "text/x-python"
+// 				}
+// 			}
+// 		}
+// 	]
+// }
diff --git a/internal/mcp/resource.go b/internal/mcp/resource.go
new file mode 100644
index 0000000..20a89d9
--- /dev/null
+++ b/internal/mcp/resource.go
@@ -0,0 +1,74 @@
+package mcp
+
+// Document: https://modelcontextprotocol.io/docs/concepts/resources
+
+const (
+	// Client => Server
+	MethodResourcesList         = "resources/list"
+	MethodResourcesTemplateList = "resources/templates/list"
+	MethodResourcesRead         = "resources/read"
+	MethodResourcesSubscribe    = "resources/subscribe"
+	MethodResourcesUnsubscribe  = "resources/unsubscribe"
+
+	// Server => Client
+	NotificationResourcesListChanged = "notifications/resources/list_changed"
+	NofiticationResourcesUpdated     = "notifications/resources/updated"
+)
+
+// Direct resources
+//
+//	{
+//		uri: string;           // Unique identifier for the resource
+//		name: string;          // Human-readable name
+//		description?: string;  // Optional description
+//		mimeType?: string;     // Optional MIME type
+//	}
+type Resource struct {
+	URI         string `json:"uri"`
+	Name        string `json:"name"`
+	Description string `json:"description,omitempty"`
+	MimeType    string `json:"mimeType,omitempty"`
+}
+
+// Resource templates
+//
+//	{
+//		uriTemplate: string;   // URI template following RFC 6570
+//		name: string;          // Human-readable name for this type
+//		description?: string;  // Optional description
+//		mimeType?: string;     // Optional MIME type for all matching resources
+//	}
+type ResourceTemplate struct {
+	URITemplate string `json:"uriTemplate"`
+	Name        string `json:"name"`
+	Description string `json:"description,omitempty"`
+	MimeType    string `json:"mimeType,omitempty"`
+}
+
+// Reading resources
+// {
+// 	contents: [
+// 		{
+// 			uri: string;        // The URI of the resource
+// 			mimeType?: string;  // Optional MIME type
+
+//				// One of:
+//				text?: string;      // For text resources
+//				blob?: string;      // For binary resources (base64 encoded)
+//			}
+//		]
+//	}
+type ReadingResource struct {
+	Contents []ReadingResourceContent `json:"contents"`
+}
+
+type ResourcesReadRequest struct {
+	URI string `json:"uri"`
+}
+
+type ReadingResourceContent struct {
+	URI      string `json:"uri"`
+	MimeType string `json:"mimeType,omitempty"`
+	Text     string `json:"text,omitempty"`
+	Blob     string `json:"blob,omitempty"`
+}
diff --git a/internal/mcp/session.go b/internal/mcp/session.go
new file mode 100644
index 0000000..035405b
--- /dev/null
+++ b/internal/mcp/session.go
@@ -0,0 +1,48 @@
+package mcp
+
+import (
+	"encoding/json"
+	"io"
+
+	"github.com/gin-gonic/gin"
+)
+
+type Session struct {
+	id string
+	w  io.Writer
+	c  *ClientInfo
+}
+
+func NewSession(c *gin.Context, id string) *Session {
+	return &Session{
+		id: id,
+		w:  NewSSEWriter(c, id),
+	}
+}
+
+func (s *Session) Write(p []byte) (n int, err error) {
+	return s.w.Write(p)
+}
+
+func (s *Session) WriteError(req *Request, err error) {
+	resp := NewErrorResponse(req.ID, 500, err)
+	b, err := json.Marshal(resp)
+	if err != nil {
+		return
+	}
+	s.Write(b)
+}
+
+func (s *Session) WriteResponse(req *Request, data interface{}) error {
+	resp := NewResponse(req.ID, data)
+	b, err := json.Marshal(resp)
+	if err != nil {
+		return err
+	}
+	s.Write(b)
+	return nil
+}
+
+func (s *Session) SaveClientInfo(c *ClientInfo) {
+	s.c = c
+}
diff --git a/internal/mcp/sse.go b/internal/mcp/sse.go
new file mode 100644
index 0000000..d7f95d6
--- /dev/null
+++ b/internal/mcp/sse.go
@@ -0,0 +1,160 @@
+package mcp
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+const (
+	SSEPingIntervalS  = 30
+	SSEMessageChanCap = 100
+	SSEContentType    = "text/event-stream; charset=utf-8"
+)
+
+type SSEWriter struct {
+	id string
+	c  *gin.Context
+}
+
+func NewSSEWriter(c *gin.Context, id string) *SSEWriter {
+	c.Writer.Header().Set("Content-Type", SSEContentType)
+	c.Writer.Header().Set("Cache-Control", "no-cache")
+	c.Writer.Header().Set("Connection", "keep-alive")
+	c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
+	c.Writer.Flush()
+
+	w := &SSEWriter{
+		id: id,
+		c:  c,
+	}
+	w.WriteEndpoing()
+	go w.ping()
+	return w
+}
+
+func (w *SSEWriter) Write(p []byte) (n int, err error) {
+	w.WriteMessage(string(p))
+	return len(p), nil
+}
+
+func (w *SSEWriter) WriteMessage(data string) {
+	w.WriteEvent("message", data)
+}
+
+func (w *SSEWriter) WriteEvent(event string, data string) {
+	w.c.Writer.WriteString(fmt.Sprintf("event: %s\n", event))
+	w.c.Writer.WriteString(fmt.Sprintf("data: %s\n\n", data))
+	w.c.Writer.Flush()
+}
+
+func (w *SSEWriter) ping() {
+	for {
+		select {
+		case <-time.After(time.Second * SSEPingIntervalS):
+			w.writePing()
+		case <-w.c.Request.Context().Done():
+			return
+		}
+	}
+}
+
+// WriteEndpoing
+// event: endpoint
+// data: /message?sessionId=285d67ee-1c17-40d9-ab03-173d5ff48419
+func (w *SSEWriter) WriteEndpoing() {
+	w.c.Writer.WriteString(fmt.Sprintf("event: endpoint\n"))
+	w.c.Writer.WriteString(fmt.Sprintf("data: /message?sessionId=%s\n\n", w.id))
+	w.c.Writer.Flush()
+}
+
+// WritePing
+// : ping - 2025-03-16 06:41:51.280928+00:00
+func (w *SSEWriter) writePing() {
+	w.c.Writer.WriteString(fmt.Sprintf(": ping - %s\n\n", time.Now().Format("2006-01-02 15:04:05.999999-07:00")))
+}
+
+// SSE Session
+// 维持一个 SSE 连接的会话
+// 会话中包含了 SSE 连接的 ID，事件通道，停止通道
+// 事件通道用于发送事件，停止通道用于停止会话
+// 需要轮询发送 ping 事件以保持连接
+type SSESession struct {
+	SessionID string
+	Events    map[string]chan string
+	Stop      chan bool
+
+	c *gin.Context
+}
+
+func NewSSESession(c *gin.Context) *SSESession {
+	return &SSESession{c: c}
+}
+func (s *SSESession) SendEvent(event string, data string) {
+	s.c.SSEvent(event, data)
+}
+
+func (s *SSESession) Close() {
+	close(s.Stop)
+}
+
+// Event
+// request:
+//   POST /messages?sesessionId=?
+//   '{"method":"prompts/list","params":{},"jsonrpc":"2.0","id":3}'
+//
+// response:
+//   GET /sse
+//   event: message
+//   data: {"jsonrpc":"2.0","id":3,"result":{"prompts":[]}}
+
+// {
+// 	"jsonrpc": "2.0",
+// 	"id": 1,
+// 	"result": {
+// 	  "tools": [
+// 		{
+// 		  "name": "get_alerts",
+// 		  "description": "Get weather alerts for a US state.\n\n    Args:\n        state: Two-letter US state code (e.g. CA, NY)\n    ",
+// 		  "inputSchema": {
+// 			"properties": {
+// 			  "state": {
+// 				"title": "State",
+// 				"type": "string"
+// 			  }
+// 			},
+// 			"required": [
+// 			  "state"
+// 			],
+// 			"title": "get_alertsArguments",
+// 			"type": "object"
+// 		  }
+// 		},
+// 		{
+// 		  "name": "get_forecast",
+// 		  "description": "Get weather forecast for a location.\n\n    Args:\n        latitude: Latitude of the location\n        longitude: Longitude of the location\n    ",
+// 		  "inputSchema": {
+// 			"properties": {
+// 			  "latitude": {
+// 				"title": "Latitude",
+// 				"type": "number"
+// 			  },
+// 			  "longitude": {
+// 				"title": "Longitude",
+// 				"type": "number"
+// 			  }
+// 			},
+// 			"required": [
+// 			  "latitude",
+// 			  "longitude"
+// 			],
+// 			"title": "get_forecastArguments",
+// 			"type": "object"
+// 		  }
+// 		}
+// 	  ]
+// 	}
+//   }
+
+// PING
diff --git a/internal/mcp/stdio.go b/internal/mcp/stdio.go
new file mode 100644
index 0000000..87468eb
--- /dev/null
+++ b/internal/mcp/stdio.go
@@ -0,0 +1 @@
+package mcp
diff --git a/internal/mcp/tool.go b/internal/mcp/tool.go
new file mode 100644
index 0000000..5cf3cce
--- /dev/null
+++ b/internal/mcp/tool.go
@@ -0,0 +1,142 @@
+package mcp
+
+// Document: https://modelcontextprotocol.io/docs/concepts/tools
+
+const (
+	// Client => Server
+	MethodToolsList = "tools/list"
+	MethodToolsCall = "tools/call"
+)
+
+type M map[string]interface{}
+
+// Tool
+//
+//	{
+//		name: string;          // Unique identifier for the tool
+//		description?: string;  // Human-readable description
+//		inputSchema: {         // JSON Schema for the tool's parameters
+//			type: "object",
+//			properties: { ... }  // Tool-specific parameters
+//		}
+//	}
+//
+//	{
+//		name: "analyze_csv",
+//		description: "Analyze a CSV file",
+//		inputSchema: {
+//			type: "object",
+//			properties: {
+//				filepath: { type: "string" },
+//				operations: {
+//					type: "array",
+//					items: {
+//						enum: ["sum", "average", "count"]
+//					}
+//				}
+//			}
+//		}
+//	}
+//
+//	{
+//		"jsonrpc": "2.0",
+//		"id": 1,
+//		"result": {
+//		  "tools": [
+//			{
+//			  "name": "get_alerts",
+//			  "description": "Get weather alerts for a US state.\n\n    Args:\n        state: Two-letter US state code (e.g. CA, NY)\n    ",
+//			  "inputSchema": {
+//				"properties": {
+//				  "state": {
+//					"title": "State",
+//					"type": "string"
+//				  }
+//				},
+//				"required": [
+//				  "state"
+//				],
+//				"title": "get_alertsArguments",
+//				"type": "object"
+//			  }
+//			},
+//			{
+//			  "name": "get_forecast",
+//			  "description": "Get weather forecast for a location.\n\n    Args:\n        latitude: Latitude of the location\n        longitude: Longitude of the location\n    ",
+//			  "inputSchema": {
+//				"properties": {
+//				  "latitude": {
+//					"title": "Latitude",
+//					"type": "number"
+//				  },
+//				  "longitude": {
+//					"title": "Longitude",
+//					"type": "number"
+//				  }
+//				},
+//				"required": [
+//				  "latitude",
+//				  "longitude"
+//				],
+//				"title": "get_forecastArguments",
+//				"type": "object"
+//			  }
+//			}
+//		  ]
+//		}
+//	  }
+type Tool struct {
+	Name        string     `json:"name"`
+	Description string     `json:"description,omitempty"`
+	InputSchema ToolSchema `json:"inputSchema"`
+}
+
+type ToolSchema struct {
+	Type       string `json:"type"`
+	Properties M      `json:"properties"`
+}
+
+//	{
+//		"method": "tools/call",
+//		"params": {
+//		  "name": "chatlog",
+//		  "arguments": {
+//			"start": "2006-11-12",
+//			"end": "2020-11-20",
+//			"limit": "50",
+//			"offset": "6"
+//		  },
+//		  "_meta": {
+//			"progressToken": 1
+//		  }
+//		},
+//		"jsonrpc": "2.0",
+//		"id": 3
+//	  }
+type ToolsCallRequest struct {
+	Name      string `json:"name"`
+	Arguments M      `json:"arguments"`
+}
+
+//	{
+//		"jsonrpc": "2.0",
+//		"id": 2,
+//		"result": {
+//		  "content": [
+//			{
+//			  "type": "text",
+//			  "text": "\nEvent: Winter Storm Warning\n"
+//			}
+//		  ],
+//		  "isError": false
+//		}
+//	  }
+type ToolsCallResponse struct {
+	Content []Content `json:"content"`
+	IsError bool      `json:"isError"`
+}
+
+type Content struct {
+	Type string `json:"type"`
+	Text string `json:"text"`
+}
diff --git a/internal/ui/footer/footer.go b/internal/ui/footer/footer.go
new file mode 100644
index 0000000..d68f936
--- /dev/null
+++ b/internal/ui/footer/footer.go
@@ -0,0 +1,68 @@
+package footer
+
+import (
+	"fmt"
+
+	"github.com/sjzar/chatlog/internal/ui/style"
+	"github.com/sjzar/chatlog/pkg/version"
+
+	"github.com/rivo/tview"
+)
+
+const (
+	Title = "footer"
+)
+
+type Footer struct {
+	*tview.Flex
+	title     string
+	copyRight *tview.TextView
+	help      *tview.TextView
+}
+
+func New() *Footer {
+	footer := &Footer{
+		Flex:      tview.NewFlex(),
+		title:     Title,
+		copyRight: tview.NewTextView(),
+		help:      tview.NewTextView(),
+	}
+
+	footer.copyRight.
+		SetDynamicColors(true).
+		SetWrap(true).
+		SetTextAlign(tview.AlignLeft)
+	footer.copyRight.
+		SetBackgroundColor(tview.Styles.PrimitiveBackgroundColor)
+	footer.copyRight.SetText(fmt.Sprintf("[%s::b]%s[-:-:-]", style.GetColorHex(style.PageHeaderFgColor), fmt.Sprintf(" @ Sarv's Chatlog (%s)", version.Version)))
+
+	footer.help.
+		SetDynamicColors(true).
+		SetWrap(true).
+		SetTextAlign(tview.AlignRight)
+	footer.help.
+		SetBackgroundColor(tview.Styles.PrimitiveBackgroundColor)
+
+	fmt.Fprintf(footer.help,
+		"[%s::b]↑/↓[%s::b]: 导航  [%s::b]←/→[%s::b]: 切换标签  [%s::b]Enter[%s::b]: 选择  [%s::b]ESC[%s::b]: 返回  [%s::b]Ctrl+C[%s::b]: 退出",
+		style.GetColorHex(style.MenuBgColor), style.GetColorHex(style.PageHeaderFgColor),
+		style.GetColorHex(style.MenuBgColor), style.GetColorHex(style.PageHeaderFgColor),
+		style.GetColorHex(style.MenuBgColor), style.GetColorHex(style.PageHeaderFgColor),
+		style.GetColorHex(style.MenuBgColor), style.GetColorHex(style.PageHeaderFgColor),
+		style.GetColorHex(style.MenuBgColor), style.GetColorHex(style.PageHeaderFgColor),
+	)
+
+	footer.
+		AddItem(footer.copyRight, 0, 1, false).
+		AddItem(footer.help, 0, 1, false)
+
+	return footer
+}
+
+func (f *Footer) SetCopyRight(text string) {
+	f.copyRight.SetText(text)
+}
+
+func (f *Footer) SetHelp(text string) {
+	f.help.SetText(text)
+}
diff --git a/internal/ui/help/help.go b/internal/ui/help/help.go
new file mode 100644
index 0000000..a0def11
--- /dev/null
+++ b/internal/ui/help/help.go
@@ -0,0 +1,87 @@
+package help
+
+import (
+	"fmt"
+
+	"github.com/sjzar/chatlog/internal/ui/style"
+
+	"github.com/rivo/tview"
+)
+
+const (
+	Title     = "help"
+	ShowTitle = "帮助"
+	Content   = `[yellow]Chatlog 使用指南[white]
+
+[green]基本操作:[white]
+• 使用 [yellow]←→[white] 键在主菜单和帮助页面之间切换
+• 使用 [yellow]↑↓[white] 键在菜单项之间移动
+• 按 [yellow]Enter[white] 选择菜单项
+• 按 [yellow]Esc[white] 返回上一级菜单
+• 按 [yellow]Ctrl+C[white] 退出程序
+
+[green]使用步骤:[white]
+
+[yellow]1. 获取数据密钥[white]
+   选择"获取数据密钥"菜单项，程序会自动从运行中的微信进程获取密钥。
+   如果有多个微信进程，会自动选择当前账号的进程。
+   确保微信正在运行，否则无法获取密钥。
+
+[yellow]2. 解密数据[white]
+   选择"解密数据"菜单项，程序会使用获取的密钥解密微信数据库文件。
+   解密后的文件会保存到工作目录中（可在设置中修改）。
+
+[yellow]3. 启动 HTTP 服务[white]
+   选择"启动 HTTP 服务"菜单项，启动 HTTP 和 MCP 服务。
+   启动后可以通过浏览器访问 http://localhost:5030 查看聊天记录。
+
+[yellow]4. 设置选项[white]
+   选择"设置"菜单项，可以配置:
+   • HTTP 服务端口 - 更改 HTTP 服务的监听端口
+   • 工作目录 - 更改解密数据的存储位置
+
+[green]HTTP API 使用:[white]
+• 聊天记录: [yellow]GET http://localhost:5030/api/v1/chatlog?time=2023-01-01&talker=wxid_xxx[white]
+• 联系人列表: [yellow]GET http://localhost:5030/api/v1/contact[white]
+• 群聊列表: [yellow]GET http://localhost:5030/api/v1/chatroom[white]
+• 会话列表: [yellow]GET http://localhost:5030/api/v1/session[white]
+
+[green]MCP 集成:[white]
+Chatlog 支持 Model Context Protocol，可与支持 MCP 的 AI 助手集成。
+通过 MCP，AI 助手可以直接查询您的聊天记录、联系人和群聊信息。
+
+[green]常见问题:[white]
+• 如果获取密钥失败，请确保微信程序正在运行
+• 如果解密失败，请检查密钥是否正确获取
+• 如果 HTTP 服务启动失败，请检查端口是否被占用
+• 数据目录和工作目录会自动保存，下次启动时自动加载
+
+[green]数据安全:[white]
+• 所有数据处理均在本地完成，不会上传到任何外部服务器
+• 请妥善保管解密后的数据，避免隐私泄露
+`
+)
+
+type Help struct {
+	*tview.TextView
+	title string
+}
+
+func New() *Help {
+	help := &Help{
+		TextView: tview.NewTextView(),
+		title:    Title,
+	}
+
+	help.SetDynamicColors(true)
+	help.SetRegions(true)
+	help.SetWrap(true)
+	help.SetTextAlign(tview.AlignLeft)
+	help.SetBorder(true)
+	help.SetBorderColor(style.BorderColor)
+	help.SetTitle(ShowTitle)
+
+	fmt.Fprint(help, Content)
+
+	return help
+}
diff --git a/internal/ui/infobar/infobar.go b/internal/ui/infobar/infobar.go
new file mode 100644
index 0000000..2395f76
--- /dev/null
+++ b/internal/ui/infobar/infobar.go
@@ -0,0 +1,182 @@
+package infobar
+
+import (
+	"fmt"
+
+	"github.com/sjzar/chatlog/internal/ui/style"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+)
+
+const (
+	Title = "infobar"
+)
+
+// InfoBarViewHeight info bar height.
+const (
+	InfoBarViewHeight = 6
+	accountRow        = 0
+	pidRow            = 1
+	statusRow         = 2
+	dataUsageRow      = 3
+	workUsageRow      = 4
+	httpServerRow     = 5
+
+	// 列索引
+	labelCol1 = 0 // 第一列标签
+	valueCol1 = 1 // 第一列值
+	labelCol2 = 2 // 第二列标签
+	valueCol2 = 3 // 第二列值
+	totalCols = 4
+)
+
+// InfoBar implements the info bar primitive.
+type InfoBar struct {
+	*tview.Box
+	title string
+	table *tview.Table
+}
+
+// NewInfoBar returns info bar view.
+func New() *InfoBar {
+	table := tview.NewTable()
+	headerColor := style.InfoBarItemFgColor
+
+	// Account 和 Version 行
+	table.SetCell(
+		accountRow,
+		labelCol1,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "Account:")),
+	)
+	table.SetCell(accountRow, valueCol1, tview.NewTableCell(""))
+
+	table.SetCell(
+		accountRow,
+		labelCol2,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "Version:")),
+	)
+	table.SetCell(accountRow, valueCol2, tview.NewTableCell(""))
+
+	// PID 和 ExePath 行
+	table.SetCell(
+		pidRow,
+		labelCol1,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "PID:")),
+	)
+	table.SetCell(pidRow, valueCol1, tview.NewTableCell(""))
+
+	table.SetCell(
+		pidRow,
+		labelCol2,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "ExePath:")),
+	)
+	table.SetCell(pidRow, valueCol2, tview.NewTableCell(""))
+
+	// Status 和 Key 行
+	table.SetCell(
+		statusRow,
+		labelCol1,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "Status:")),
+	)
+	table.SetCell(statusRow, valueCol1, tview.NewTableCell(""))
+
+	table.SetCell(
+		statusRow,
+		labelCol2,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "Data Key:")),
+	)
+	table.SetCell(statusRow, valueCol2, tview.NewTableCell(""))
+
+	// Data Usage 和 Data Dir 行
+	table.SetCell(
+		dataUsageRow,
+		labelCol1,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "Data Usage:")),
+	)
+	table.SetCell(dataUsageRow, valueCol1, tview.NewTableCell(""))
+
+	table.SetCell(
+		dataUsageRow,
+		labelCol2,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "Data Dir:")),
+	)
+	table.SetCell(dataUsageRow, valueCol2, tview.NewTableCell(""))
+
+	// Work Usage 和 Work Dir 行
+	table.SetCell(
+		workUsageRow,
+		labelCol1,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "Work Usage:")),
+	)
+	table.SetCell(workUsageRow, valueCol1, tview.NewTableCell(""))
+
+	table.SetCell(
+		workUsageRow,
+		labelCol2,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "Work Dir:")),
+	)
+	table.SetCell(workUsageRow, valueCol2, tview.NewTableCell(""))
+
+	// HTTP Server 行
+	table.SetCell(
+		httpServerRow,
+		labelCol1,
+		tview.NewTableCell(fmt.Sprintf(" [%s::]%s", headerColor, "HTTP Server:")),
+	)
+	table.SetCell(httpServerRow, valueCol1, tview.NewTableCell(""))
+
+	// infobar
+	infoBar := &InfoBar{
+		Box:   tview.NewBox(),
+		title: Title,
+		table: table,
+	}
+
+	return infoBar
+}
+
+func (info *InfoBar) UpdateAccount(account string) {
+	info.table.GetCell(accountRow, valueCol1).SetText(account)
+}
+
+func (info *InfoBar) UpdateBasicInfo(pid int, version string, exePath string) {
+	info.table.GetCell(pidRow, valueCol1).SetText(fmt.Sprintf("%d", pid))
+	info.table.GetCell(pidRow, valueCol2).SetText(exePath)
+	info.table.GetCell(accountRow, valueCol2).SetText(version)
+}
+
+func (info *InfoBar) UpdateStatus(status string) {
+	info.table.GetCell(statusRow, valueCol1).SetText(status)
+}
+
+func (info *InfoBar) UpdateDataKey(key string) {
+	info.table.GetCell(statusRow, valueCol2).SetText(key)
+}
+
+func (info *InfoBar) UpdateDataUsageDir(dataUsage string, dataDir string) {
+	info.table.GetCell(dataUsageRow, valueCol1).SetText(dataUsage)
+	info.table.GetCell(dataUsageRow, valueCol2).SetText(dataDir)
+}
+
+func (info *InfoBar) UpdateWorkUsageDir(workUsage string, workDir string) {
+	info.table.GetCell(workUsageRow, valueCol1).SetText(workUsage)
+	info.table.GetCell(workUsageRow, valueCol2).SetText(workDir)
+}
+
+// UpdateHTTPServer updates HTTP Server value.
+func (info *InfoBar) UpdateHTTPServer(server string) {
+	info.table.GetCell(httpServerRow, valueCol1).SetText(server)
+}
+
+// Draw draws this primitive onto the screen.
+func (info *InfoBar) Draw(screen tcell.Screen) {
+	info.Box.DrawForSubclass(screen, info)
+	info.Box.SetBorder(false)
+
+	x, y, width, height := info.GetInnerRect()
+
+	info.table.SetRect(x, y, width, height)
+	info.table.SetBorder(false)
+	info.table.Draw(screen)
+}
diff --git a/internal/ui/menu/menu.go b/internal/ui/menu/menu.go
new file mode 100644
index 0000000..766de19
--- /dev/null
+++ b/internal/ui/menu/menu.go
@@ -0,0 +1,162 @@
+package menu
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/sjzar/chatlog/internal/ui/style"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+)
+
+type Item struct {
+	Index       int
+	Key         string
+	Name        string
+	Description string
+	Hidden      bool
+	Selected    func(i *Item)
+}
+
+type Menu struct {
+	*tview.Box
+	title string
+	table *tview.Table
+	items []*Item
+}
+
+func New(title string) *Menu {
+	menu := &Menu{
+		Box:   tview.NewBox(),
+		title: title,
+		items: make([]*Item, 0),
+		table: tview.NewTable(),
+	}
+
+	menu.table.SetBorders(false)
+	menu.table.SetSelectable(true, false)
+	menu.table.SetTitle(fmt.Sprintf("[::b]%s", menu.title))
+	menu.table.SetBorderColor(style.BorderColor)
+	menu.table.SetBackgroundColor(style.BgColor)
+	menu.table.SetTitleColor(style.FgColor)
+	menu.table.SetFixed(1, 0)
+	menu.table.Select(1, 0).SetSelectedFunc(func(row, column int) {
+		if row == 0 {
+			return // 忽略表头
+		}
+
+		item, ok := menu.table.GetCell(row, 0).GetReference().(*Item)
+		if ok {
+			if item.Selected != nil {
+				item.Selected(item)
+			}
+		}
+	})
+
+	menu.setTableHeader()
+
+	return menu
+}
+
+func (m *Menu) setTableHeader() {
+	m.table.SetCell(0, 0, tview.NewTableCell(fmt.Sprintf("[black::b]%s", "命令")).
+		SetExpansion(1).
+		SetBackgroundColor(style.PageHeaderBgColor).
+		SetTextColor(style.PageHeaderFgColor).
+		SetAlign(tview.AlignLeft).
+		SetSelectable(false))
+
+	m.table.SetCell(0, 1, tview.NewTableCell(fmt.Sprintf("[black::b]%s", "说明")).
+		SetExpansion(2).
+		SetBackgroundColor(style.PageHeaderBgColor).
+		SetTextColor(style.PageHeaderFgColor).
+		SetAlign(tview.AlignLeft).
+		SetSelectable(false))
+}
+
+func (m *Menu) AddItem(item *Item) {
+	m.items = append(m.items, item)
+	sort.Sort(SortItems(m.items))
+	m.refresh()
+}
+
+func (m *Menu) SetItems(items []*Item) {
+	m.items = items
+	m.refresh()
+}
+
+func (m *Menu) GetItems() []*Item {
+	return m.items
+}
+
+func (m *Menu) refresh() {
+	m.table.Clear()
+	m.setTableHeader()
+
+	row := 1
+	for _, item := range m.items {
+		if item.Hidden {
+			continue
+		}
+		m.table.SetCell(row, 0, tview.NewTableCell(item.Name).
+			SetTextColor(style.FgColor).
+			SetBackgroundColor(style.BgColor).
+			SetReference(item).
+			SetAlign(tview.AlignLeft))
+		m.table.SetCell(row, 1, tview.NewTableCell(item.Description).
+			SetTextColor(style.FgColor).
+			SetBackgroundColor(style.BgColor).
+			SetReference(item).
+			SetAlign(tview.AlignLeft))
+		row++
+	}
+
+}
+
+func (m *Menu) Draw(screen tcell.Screen) {
+	m.refresh()
+
+	m.Box.DrawForSubclass(screen, m)
+	m.Box.SetBorder(false)
+
+	menuViewX, menuViewY, menuViewW, menuViewH := m.GetInnerRect()
+
+	m.table.SetRect(menuViewX, menuViewY, menuViewW, menuViewH)
+	m.table.SetBorder(true).SetBorderColor(style.BorderColor)
+
+	m.table.Draw(screen)
+}
+
+func (m *Menu) Focus(delegate func(p tview.Primitive)) {
+	delegate(m.table)
+}
+
+// HasFocus returns whether or not this primitive has focus
+func (m *Menu) HasFocus() bool {
+	// Check if the active menu has focus
+	return m.table.HasFocus()
+}
+
+func (m *Menu) InputHandler() func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
+	return m.WrapInputHandler(func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
+		// 将事件传递给表格
+		if handler := m.table.InputHandler(); handler != nil {
+			handler(event, setFocus)
+		}
+	})
+}
+
+type SortItems []*Item
+
+func (l SortItems) Len() int {
+	return len(l)
+}
+
+func (l SortItems) Less(i, j int) bool {
+	return l[i].Index < l[j].Index
+}
+
+func (l SortItems) Swap(i, j int) {
+	l[i], l[j] = l[j], l[i]
+}
diff --git a/internal/ui/menu/submenu.go b/internal/ui/menu/submenu.go
new file mode 100644
index 0000000..1a664c9
--- /dev/null
+++ b/internal/ui/menu/submenu.go
@@ -0,0 +1,232 @@
+package menu
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/sjzar/chatlog/internal/ui/style"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+)
+
+const (
+	// DialogPadding dialog inner paddign.
+	DialogPadding = 3
+
+	// DialogFormHeight dialog "Enter"/"Cancel" form height.
+	DialogHelpHeight = 1
+
+	// DialogMinWidth dialog min width.
+	DialogMinWidth = 40
+
+	// TableHeightOffset table height offset for border.
+	TableHeightOffset = 3
+
+	cmdWidthOffset = 6
+)
+
+type SubMenu struct {
+	*tview.Box
+	title         string
+	layout        *tview.Flex
+	table         *tview.Table
+	width         int
+	height        int
+	items         []*Item
+	cancelHandler func()
+}
+
+func NewSubMenu(title string) *SubMenu {
+	subMenu := &SubMenu{
+		Box:    tview.NewBox(),
+		title:  title,
+		items:  make([]*Item, 0),
+		layout: tview.NewFlex(),
+		table:  tview.NewTable(),
+	}
+
+	subMenu.table.SetBorders(false)
+	subMenu.table.SetSelectable(true, false)
+	subMenu.table.SetBorderColor(style.DialogBorderColor)
+	subMenu.table.SetBackgroundColor(style.DialogBgColor)
+	subMenu.table.SetTitleColor(style.DialogFgColor)
+	subMenu.table.SetFixed(1, 1)
+
+	subMenu.table.Select(1, 0).SetSelectedFunc(func(row, column int) {
+		if row == 0 {
+			return // 忽略表头
+		}
+
+		item := subMenu.items[row-1]
+		if item.Selected != nil {
+			item.Selected(item)
+		}
+	})
+
+	subMenu.setTableHeader()
+
+	// 帮助信息
+	helpText := tview.NewTextView()
+	helpText.SetDynamicColors(true)
+	helpText.SetTextAlign(tview.AlignCenter)
+	helpText.SetTextColor(style.DialogFgColor)
+	helpText.SetBackgroundColor(style.DialogBgColor)
+	fmt.Fprintf(helpText,
+		"[%s::b]↑/↓[%s::b]: 导航  [%s::b]Enter[%s::b]: 选择  [%s::b]ESC[%s::b]: 返回",
+		style.GetColorHex(style.MenuBgColor), style.GetColorHex(style.PageHeaderFgColor),
+		style.GetColorHex(style.MenuBgColor), style.GetColorHex(style.PageHeaderFgColor),
+		style.GetColorHex(style.MenuBgColor), style.GetColorHex(style.PageHeaderFgColor),
+	)
+
+	// 布局
+	tableLayout := tview.NewFlex().SetDirection(tview.FlexColumn)
+	tableLayout.AddItem(EmptyBoxSpace(style.DialogBgColor), 1, 0, true)
+	tableLayout.AddItem(subMenu.table, 0, 1, true)
+	tableLayout.AddItem(EmptyBoxSpace(style.DialogBgColor), 1, 0, true)
+
+	subMenu.layout.SetDirection(tview.FlexRow)
+	subMenu.layout.SetTitle(fmt.Sprintf("[::b]%s", subMenu.title))
+	subMenu.layout.SetTitleColor(style.DialogFgColor)
+	subMenu.layout.SetTitleAlign(tview.AlignCenter)
+	subMenu.layout.AddItem(tableLayout, 0, 1, true)
+	subMenu.layout.AddItem(helpText, DialogHelpHeight, 0, true)
+	subMenu.layout.SetBorder(true)
+	subMenu.layout.SetBorderColor(style.DialogBorderColor)
+	subMenu.layout.SetBackgroundColor(style.DialogBgColor)
+
+	return subMenu
+}
+
+func (m *SubMenu) setTableHeader() {
+	m.table.SetCell(0, 0, tview.NewTableCell(fmt.Sprintf("[%s::b]%s", style.GetColorHex(style.TableHeaderFgColor), "命令")).
+		SetExpansion(1).
+		SetBackgroundColor(style.TableHeaderBgColor).
+		SetTextColor(style.TableHeaderFgColor).
+		SetAlign(tview.AlignLeft).
+		SetSelectable(false))
+
+	m.table.SetCell(0, 1, tview.NewTableCell(fmt.Sprintf("[%s::b]%s", style.GetColorHex(style.TableHeaderFgColor), "说明")).
+		SetExpansion(1).
+		SetBackgroundColor(style.TableHeaderBgColor).
+		SetTextColor(style.TableHeaderFgColor).
+		SetAlign(tview.AlignLeft).
+		SetSelectable(false))
+}
+
+func (m *SubMenu) AddItem(item *Item) {
+	m.items = append(m.items, item)
+	sort.Sort(SortItems(m.items))
+	m.refresh()
+}
+
+func (m *SubMenu) SetItems(items []*Item) {
+	m.items = items
+	m.refresh()
+}
+
+func (m *SubMenu) SetCancelFunc(handler func()) *SubMenu {
+	m.cancelHandler = handler
+	return m
+}
+
+func (m *SubMenu) refresh() {
+	m.table.Clear()
+	m.setTableHeader()
+
+	col1Width := 0
+	col2Width := 0
+
+	row := 1
+	for _, item := range m.items {
+		if item.Hidden {
+			continue
+		}
+		m.table.SetCell(row, 0, tview.NewTableCell(item.Name).
+			SetTextColor(style.DialogFgColor).
+			SetBackgroundColor(style.DialogBgColor).
+			SetReference(item).
+			SetAlign(tview.AlignLeft))
+		m.table.SetCell(row, 1, tview.NewTableCell(item.Description).
+			SetTextColor(style.DialogFgColor).
+			SetBackgroundColor(style.DialogBgColor).
+			SetReference(item).
+			SetAlign(tview.AlignLeft))
+		if len(item.Name) > col1Width {
+			col1Width = len(item.Name)
+		}
+		if len(item.Description) > col2Width {
+			col2Width = len(item.Description)
+		}
+		row++
+	}
+
+	m.width = col1Width + col2Width + 2 + cmdWidthOffset
+	m.height = len(m.items) + TableHeightOffset + DialogHelpHeight + 1
+
+}
+
+func (m *SubMenu) Draw(screen tcell.Screen) {
+	m.refresh()
+
+	m.Box.DrawForSubclass(screen, m)
+	m.layout.Draw(screen)
+}
+
+func (m *SubMenu) SetRect(x, y, width, height int) {
+	ws := (width - m.width) / 2
+	hs := ((height - m.height) / 2)
+	dy := y + hs
+	bWidth := m.width
+
+	if m.width > width {
+		ws = 0
+		bWidth = width - 1
+	}
+
+	bHeight := m.height
+
+	if m.height >= height {
+		dy = y + 1
+		bHeight = height - 1
+	}
+
+	m.Box.SetRect(x+ws, dy, bWidth, bHeight)
+
+	x, y, width, height = m.Box.GetInnerRect()
+
+	m.layout.SetRect(x, y, width, height)
+}
+
+func (m *SubMenu) Focus(delegate func(p tview.Primitive)) {
+	delegate(m.table)
+}
+
+// HasFocus returns whether or not this primitive has focus
+func (m *SubMenu) HasFocus() bool {
+	// Check if the active menu has focus
+	return m.table.HasFocus()
+}
+
+func (m *SubMenu) InputHandler() func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
+	return m.WrapInputHandler(func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
+
+		if event.Key() == tcell.KeyEscape && m.cancelHandler != nil {
+			m.cancelHandler()
+			return
+		}
+
+		// 将事件传递给表格
+		if handler := m.table.InputHandler(); handler != nil {
+			handler(event, setFocus)
+		}
+	})
+}
+
+func EmptyBoxSpace(bgColor tcell.Color) *tview.Box {
+	box := tview.NewBox()
+	box.SetBackgroundColor(bgColor)
+	box.SetBorder(false)
+
+	return box
+}
diff --git a/internal/ui/style/style.go b/internal/ui/style/style.go
new file mode 100644
index 0000000..9509329
--- /dev/null
+++ b/internal/ui/style/style.go
@@ -0,0 +1,78 @@
+//go:build !windows
+// +build !windows
+
+package style
+
+import (
+	"fmt"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+)
+
+const (
+	// HeavyGreenCheckMark unicode.
+	HeavyGreenCheckMark = "\u2705"
+	// HeavyRedCrossMark unicode.
+	HeavyRedCrossMark = "\u274C"
+	// ProgressBar cell.
+	ProgressBarCell = "▉"
+)
+
+var (
+	// infobar.
+	InfoBarItemFgColor = tcell.ColorSilver
+	// main views.
+	FgColor              = tcell.ColorFloralWhite
+	BgColor              = tview.Styles.PrimitiveBackgroundColor
+	BorderColor          = tcell.NewRGBColor(135, 175, 146) //nolint:mnd
+	HelpHeaderFgColor    = tcell.NewRGBColor(135, 175, 146) //nolint:mnd
+	MenuBgColor          = tcell.ColorMediumSeaGreen
+	PageHeaderBgColor    = tcell.ColorMediumSeaGreen
+	PageHeaderFgColor    = tcell.ColorFloralWhite
+	RunningStatusFgColor = tcell.NewRGBColor(95, 215, 0)  //nolint:mnd
+	PausedStatusFgColor  = tcell.NewRGBColor(255, 175, 0) //nolint:mnd
+	// dialogs.
+	DialogBgColor            = tcell.NewRGBColor(38, 38, 38) //nolint:mnd
+	DialogBorderColor        = tcell.ColorMediumSeaGreen
+	DialogFgColor            = tcell.ColorFloralWhite
+	DialogSubBoxBorderColor  = tcell.ColorDimGray
+	ErrorDialogBgColor       = tcell.NewRGBColor(215, 0, 0) //nolint:mnd
+	ErrorDialogButtonBgColor = tcell.ColorDarkRed
+	// terminal.
+	TerminalFgColor     = tcell.ColorFloralWhite
+	TerminalBgColor     = tcell.NewRGBColor(5, 5, 5) //nolint:mnd
+	TerminalBorderColor = tcell.ColorDimGray
+	// table header.
+	TableHeaderBgColor = tcell.ColorMediumSeaGreen
+	TableHeaderFgColor = tcell.ColorFloralWhite
+	// progress bar.
+	PrgBgColor       = tcell.ColorDimGray
+	PrgBarColor      = tcell.ColorDarkOrange
+	PrgBarEmptyColor = tcell.ColorWhite
+	PrgBarOKColor    = tcell.ColorGreen
+	PrgBarWarnColor  = tcell.ColorOrange
+	PrgBarCritColor  = tcell.ColorRed
+	// dropdown.
+	DropDownUnselected = tcell.StyleDefault.Background(tcell.ColorWhiteSmoke).Foreground(tcell.ColorBlack)
+	DropDownSelected   = tcell.StyleDefault.Background(tcell.ColorLightSlateGray).Foreground(tcell.ColorWhite)
+	// other primitives.
+	InputFieldBgColor = tcell.ColorGray
+	ButtonBgColor     = tcell.ColorMediumSeaGreen
+)
+
+// GetColorName returns convert tcell color to its name.
+func GetColorName(color tcell.Color) string {
+	for name, c := range tcell.ColorNames {
+		if c == color {
+			return name
+		}
+	}
+
+	return ""
+}
+
+// GetColorHex returns convert tcell color to its hex useful for textview primitives.
+func GetColorHex(color tcell.Color) string {
+	return fmt.Sprintf("#%x", color.Hex())
+}
diff --git a/internal/ui/style/style_windows.go b/internal/ui/style/style_windows.go
new file mode 100644
index 0000000..e98f09a
--- /dev/null
+++ b/internal/ui/style/style_windows.go
@@ -0,0 +1,81 @@
+//go:build windows
+
+package style
+
+import (
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+)
+
+const (
+	// HeavyGreenCheckMark unicode.
+	HeavyGreenCheckMark = "[green::]\u25CF[-::]"
+	// HeavyRedCrossMark unicode.
+	HeavyRedCrossMark = "[red::]\u25CF[-::]"
+	// ProgressBar cell.
+	ProgressBarCell = "\u2593"
+)
+
+var (
+	// infobar.
+	InfoBarItemFgColor = tcell.ColorGray
+	// main views.
+	FgColor              = tview.Styles.PrimaryTextColor
+	BgColor              = tview.Styles.PrimitiveBackgroundColor
+	BorderColor          = tcell.ColorSpringGreen
+	MenuBgColor          = tcell.ColorSpringGreen
+	HelpHeaderFgColor    = tcell.ColorSpringGreen
+	PageHeaderBgColor    = tcell.ColorSpringGreen
+	PageHeaderFgColor    = tview.Styles.PrimaryTextColor
+	RunningStatusFgColor = tcell.ColorLime
+	PausedStatusFgColor  = tcell.ColorYellow
+
+	// dialogs.
+	DialogBgColor            = tview.Styles.PrimitiveBackgroundColor
+	DialogFgColor            = tview.Styles.PrimaryTextColor
+	DialogBorderColor        = tcell.ColorSpringGreen
+	DialogSubBoxBorderColor  = tcell.ColorGray
+	ErrorDialogBgColor       = tcell.ColorRed
+	ErrorDialogButtonBgColor = tcell.ColorSpringGreen
+	// terminal.
+	TerminalBgColor     = tview.Styles.PrimitiveBackgroundColor
+	TerminalFgColor     = tview.Styles.PrimaryTextColor
+	TerminalBorderColor = tview.Styles.PrimitiveBackgroundColor
+	// table header.
+	TableHeaderBgColor = tcell.ColorSpringGreen
+	TableHeaderFgColor = tview.Styles.PrimaryTextColor
+	// progress bar.
+	PrgBgColor       = tview.Styles.PrimaryTextColor
+	PrgBarColor      = tcell.ColorFuchsia
+	PrgBarEmptyColor = tcell.ColorWhite
+	PrgBarOKColor    = tcell.ColorLime
+	PrgBarWarnColor  = tcell.ColorYellow
+	PrgBarCritColor  = tcell.ColorRed
+	// dropdown.
+	DropDownUnselected = tcell.StyleDefault.Background(tcell.ColorGray).Foreground(tcell.ColorWhite)
+	DropDownSelected   = tcell.StyleDefault.Background(tcell.ColorPurple).Foreground(tview.Styles.PrimaryTextColor)
+	// other primitives.
+	InputFieldBgColor = tcell.ColorGray
+	ButtonBgColor     = tcell.ColorSpringGreen
+)
+
+// GetColorName returns convert tcell color to its name.
+func GetColorName(color tcell.Color) string {
+	for name, c := range tcell.ColorNames {
+		if c == color {
+			return name
+		}
+	}
+	return ""
+}
+
+// GetColorHex shall returns convert tcell color to its hex useful for textview primitives,
+// however, for windows nodes it will return color name.
+func GetColorHex(color tcell.Color) string {
+	for name, c := range tcell.ColorNames {
+		if c == color {
+			return name
+		}
+	}
+	return ""
+}
diff --git a/internal/wechat/decrypt.go b/internal/wechat/decrypt.go
new file mode 100644
index 0000000..0184e20
--- /dev/null
+++ b/internal/wechat/decrypt.go
@@ -0,0 +1,415 @@
+package wechat
+
+import (
+	"bytes"
+	"context"
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/hmac"
+	"crypto/sha1"
+	"crypto/sha512"
+	"encoding/binary"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"hash"
+	"io"
+	"os"
+
+	"golang.org/x/crypto/pbkdf2"
+)
+
+// Constants for WeChat database decryption
+const (
+	// Common constants
+	PageSize     = 4096
+	KeySize      = 32
+	SaltSize     = 16
+	AESBlockSize = 16
+	SQLiteHeader = "SQLite format 3\x00"
+
+	// Version specific constants
+	V3IterCount = 64000
+	V4IterCount = 256000
+
+	IVSize         = 16 // Same for both versions
+	HmacSHA1Size   = 20 // Used in V3
+	HmacSHA512Size = 64 // Used in V4
+)
+
+// Error definitions
+var (
+	ErrHashVerificationFailed = errors.New("hash verification failed")
+	ErrInvalidVersion         = errors.New("invalid version, must be 3 or 4")
+	ErrInvalidKey             = errors.New("invalid key format")
+	ErrIncorrectKey           = errors.New("incorrect decryption key")
+	ErrReadFile               = errors.New("failed to read database file")
+	ErrOpenFile               = errors.New("failed to open database file")
+	ErrIncompleteRead         = errors.New("incomplete header read")
+	ErrCreateCipher           = errors.New("failed to create cipher")
+	ErrDecodeKey              = errors.New("failed to decode hex key")
+	ErrWriteOutput            = errors.New("failed to write output")
+	ErrSeekFile               = errors.New("failed to seek in file")
+	ErrOperationCanceled      = errors.New("operation was canceled")
+	ErrAlreadyDecrypted       = errors.New("file is already decrypted")
+)
+
+// Decryptor handles the decryption of WeChat database files
+type Decryptor struct {
+	// Database file path
+	dbPath string
+
+	// Database properties
+	version int
+	salt    []byte
+	page1   []byte
+	reserve int
+
+	// Calculated fields
+	hashFunc    func() hash.Hash
+	hmacSize    int
+	currentPage int64
+	totalPages  int64
+}
+
+// NewDecryptor creates a new Decryptor for the specified database file and version
+func NewDecryptor(dbPath string, version int) (*Decryptor, error) {
+	// Validate version
+	if version != 3 && version != 4 {
+		return nil, ErrInvalidVersion
+	}
+
+	// Open database file
+	fp, err := os.Open(dbPath)
+	if err != nil {
+		return nil, fmt.Errorf("%w: %v", ErrOpenFile, err)
+	}
+	defer fp.Close()
+
+	// Get file size
+	fileInfo, err := fp.Stat()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get file info: %v", err)
+	}
+
+	// Calculate total pages
+	fileSize := fileInfo.Size()
+	totalPages := fileSize / PageSize
+	if fileSize%PageSize > 0 {
+		totalPages++
+	}
+
+	// Read first page
+	buffer := make([]byte, PageSize)
+	n, err := io.ReadFull(fp, buffer)
+	if err != nil {
+		return nil, fmt.Errorf("%w: %v", ErrReadFile, err)
+	}
+	if n != PageSize {
+		return nil, fmt.Errorf("%w: expected %d bytes, got %d", ErrIncompleteRead, PageSize, n)
+	}
+
+	// Check if file is already decrypted
+	if bytes.Equal(buffer[:len(SQLiteHeader)-1], []byte(SQLiteHeader[:len(SQLiteHeader)-1])) {
+		return nil, ErrAlreadyDecrypted
+	}
+
+	// Initialize hash function and HMAC size based on version
+	var hashFunc func() hash.Hash
+	var hmacSize int
+
+	if version == 4 {
+		hashFunc = sha512.New
+		hmacSize = HmacSHA512Size
+	} else {
+		hashFunc = sha1.New
+		hmacSize = HmacSHA1Size
+	}
+
+	// Calculate reserve size and MAC offset
+	reserve := IVSize + hmacSize
+	if reserve%AESBlockSize != 0 {
+		reserve = ((reserve / AESBlockSize) + 1) * AESBlockSize
+	}
+
+	return &Decryptor{
+		dbPath:     dbPath,
+		version:    version,
+		salt:       buffer[:SaltSize],
+		page1:      buffer,
+		reserve:    reserve,
+		hashFunc:   hashFunc,
+		hmacSize:   hmacSize,
+		totalPages: totalPages,
+	}, nil
+}
+
+// GetTotalPages returns the total number of pages in the database
+func (d *Decryptor) GetTotalPages() int64 {
+	return d.totalPages
+}
+
+// Validate checks if the provided key is valid for this database
+func (d *Decryptor) Validate(key []byte) bool {
+	if len(key) != KeySize {
+		return false
+	}
+	_, macKey := d.calcPBKDF2Key(key)
+	return d.validate(macKey)
+}
+
+func (d *Decryptor) calcPBKDF2Key(key []byte) ([]byte, []byte) {
+	// Generate encryption key from password
+	var encKey []byte
+	if d.version == 4 {
+		encKey = pbkdf2.Key(key, d.salt, V4IterCount, KeySize, sha512.New)
+	} else {
+		encKey = pbkdf2.Key(key, d.salt, V3IterCount, KeySize, sha1.New)
+	}
+
+	// Generate MAC key
+	macSalt := xorBytes(d.salt, 0x3a)
+	macKey := pbkdf2.Key(encKey, macSalt, 2, KeySize, d.hashFunc)
+	return encKey, macKey
+}
+
+func (d *Decryptor) validate(macKey []byte) bool {
+	// Calculate HMAC
+	hashMac := hmac.New(d.hashFunc, macKey)
+
+	dataEnd := PageSize - d.reserve + IVSize
+	hashMac.Write(d.page1[SaltSize:dataEnd])
+
+	// Page number is fixed as 1
+	pageNoBytes := make([]byte, 4)
+	binary.LittleEndian.PutUint32(pageNoBytes, 1)
+	hashMac.Write(pageNoBytes)
+
+	calculatedMAC := hashMac.Sum(nil)
+	storedMAC := d.page1[dataEnd : dataEnd+d.hmacSize]
+
+	return hmac.Equal(calculatedMAC, storedMAC)
+}
+
+// Decrypt decrypts the database using the provided key and writes the result to the writer
+func (d *Decryptor) Decrypt(ctx context.Context, hexKey string, w io.Writer) error {
+	// Decode key
+	key, err := hex.DecodeString(hexKey)
+	if err != nil {
+		return fmt.Errorf("%w: %v", ErrDecodeKey, err)
+	}
+
+	encKey, macKey := d.calcPBKDF2Key(key)
+
+	// Validate key first
+	if !d.validate(macKey) {
+		return ErrIncorrectKey
+	}
+
+	// Open input file
+	dbFile, err := os.Open(d.dbPath)
+	if err != nil {
+		return fmt.Errorf("%w: %v", ErrOpenFile, err)
+	}
+	defer dbFile.Close()
+
+	// Write SQLite header to output
+	_, err = w.Write([]byte(SQLiteHeader))
+	if err != nil {
+		return fmt.Errorf("%w: %v", ErrWriteOutput, err)
+	}
+
+	// Process each page
+	pageBuf := make([]byte, PageSize)
+	d.currentPage = 0
+
+	for curPage := int64(0); curPage < d.totalPages; curPage++ {
+		// Check for cancellation before processing each page
+		select {
+		case <-ctx.Done():
+			return ErrOperationCanceled
+		default:
+			// Continue processing
+		}
+
+		// For the first page, we need to skip the salt
+		if curPage == 0 {
+			// Read the first page
+			_, err = io.ReadFull(dbFile, pageBuf)
+			if err != nil {
+				return fmt.Errorf("%w: %v", ErrReadFile, err)
+			}
+		} else {
+			// Read a full page
+			n, err := io.ReadFull(dbFile, pageBuf)
+			if err != nil {
+				if err == io.EOF || err == io.ErrUnexpectedEOF {
+					// Handle last partial page
+					if n > 0 {
+						// Process partial page
+						// For simplicity, we'll just break here
+						break
+					}
+				}
+				return fmt.Errorf("%w: %v", ErrReadFile, err)
+			}
+		}
+
+		// check if page contains only zeros (v3 & v4 both have this behavior)
+		allZeros := true
+		for _, b := range pageBuf {
+			if b != 0 {
+				allZeros = false
+				break
+			}
+		}
+
+		if allZeros {
+			// Write the zeros page to output
+			_, err = w.Write(pageBuf)
+			if err != nil {
+				return fmt.Errorf("%w: %v", ErrWriteOutput, err)
+			}
+
+			// Update progress
+			d.currentPage = curPage + 1
+			continue
+
+			// // Set current page to total pages to indicate completion
+			// d.currentPage = d.totalPages
+			// return nil
+		}
+
+		// Decrypt the page
+		decryptedPage, err := d.decryptPage(encKey, macKey, pageBuf, curPage)
+		if err != nil {
+			return err
+		}
+
+		// Write decrypted page to output
+		_, err = w.Write(decryptedPage)
+		if err != nil {
+			return fmt.Errorf("%w: %v", ErrWriteOutput, err)
+		}
+
+		// Update progress
+		d.currentPage = curPage + 1
+	}
+
+	return nil
+}
+
+// decryptPage decrypts a single page of the database
+func (d *Decryptor) decryptPage(key, macKey []byte, pageBuf []byte, pageNum int64) ([]byte, error) {
+	offset := 0
+	if pageNum == 0 {
+		offset = SaltSize
+	}
+
+	// Verify HMAC
+	mac := hmac.New(d.hashFunc, macKey)
+	mac.Write(pageBuf[offset : PageSize-d.reserve+IVSize])
+
+	// Convert page number and update HMAC
+	pageNumBytes := make([]byte, 4)
+	binary.LittleEndian.PutUint32(pageNumBytes, uint32(pageNum+1))
+	mac.Write(pageNumBytes)
+
+	hashMac := mac.Sum(nil)
+
+	hashMacStartOffset := PageSize - d.reserve + IVSize
+	hashMacEndOffset := hashMacStartOffset + len(hashMac)
+
+	if !bytes.Equal(hashMac, pageBuf[hashMacStartOffset:hashMacEndOffset]) {
+		return nil, ErrHashVerificationFailed
+	}
+
+	// Decrypt content using AES-256-CBC
+	iv := pageBuf[PageSize-d.reserve : PageSize-d.reserve+IVSize]
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return nil, fmt.Errorf("%w: %v", ErrCreateCipher, err)
+	}
+
+	mode := cipher.NewCBCDecrypter(block, iv)
+
+	// Create a copy of encrypted data for decryption
+	encrypted := make([]byte, PageSize-d.reserve-offset)
+	copy(encrypted, pageBuf[offset:PageSize-d.reserve])
+
+	// Decrypt in place
+	mode.CryptBlocks(encrypted, encrypted)
+
+	// Combine decrypted data with reserve part
+	decryptedPage := append(encrypted, pageBuf[PageSize-d.reserve:PageSize]...)
+
+	return decryptedPage, nil
+}
+
+// xorBytes performs XOR operation on each byte of the array with the specified byte
+func xorBytes(a []byte, b byte) []byte {
+	result := make([]byte, len(a))
+	for i := range a {
+		result[i] = a[i] ^ b
+	}
+	return result
+}
+
+// Utility functions for backward compatibility
+
+// DecryptDBFile decrypts a WeChat database file and returns the decrypted content
+func DecryptDBFile(dbPath string, hexKey string, version int) ([]byte, error) {
+	// Create a buffer to store the decrypted content
+	var buf bytes.Buffer
+
+	// Create a decryptor
+	d, err := NewDecryptor(dbPath, version)
+	if err != nil {
+		return nil, err
+	}
+
+	// Decrypt the database
+	err = d.Decrypt(context.Background(), hexKey, &buf)
+	if err != nil {
+		return nil, err
+	}
+
+	return buf.Bytes(), nil
+}
+
+// DecryptDBFileToFile decrypts a WeChat database file and saves the result to the specified output file
+func DecryptDBFileToFile(dbPath, outputPath, hexKey string, version int) error {
+	// Create output file
+	outputFile, err := os.Create(outputPath)
+	if err != nil {
+		return fmt.Errorf("failed to create output file: %v", err)
+	}
+	defer outputFile.Close()
+
+	// Create a decryptor
+	d, err := NewDecryptor(dbPath, version)
+	if err != nil {
+		return err
+	}
+
+	// Decrypt the database
+	return d.Decrypt(context.Background(), hexKey, outputFile)
+}
+
+// ValidateDBKey validates if the provided key is correct for the database
+func ValidateDBKey(dbPath string, hexKey string, version int) bool {
+	// Create a decryptor
+	d, err := NewDecryptor(dbPath, version)
+	if err != nil {
+		return false
+	}
+
+	// Decode key
+	key, err := hex.DecodeString(hexKey)
+	if err != nil {
+		return false
+	}
+
+	// Validate the key
+	return d.Validate(key)
+}
diff --git a/internal/wechat/info.go b/internal/wechat/info.go
new file mode 100644
index 0000000..be5859f
--- /dev/null
+++ b/internal/wechat/info.go
@@ -0,0 +1,50 @@
+package wechat
+
+import (
+	"github.com/sjzar/chatlog/pkg/dllver"
+
+	"github.com/shirou/gopsutil/v4/process"
+	log "github.com/sirupsen/logrus"
+)
+
+const (
+	StatusInit    = ""
+	StatusOffline = "offline"
+	StatusOnline  = "online"
+)
+
+type Info struct {
+	PID         uint32
+	ExePath     string
+	Version     *dllver.Info
+	Status      string
+	DataDir     string
+	AccountName string
+	Key         string
+}
+
+func NewInfo(p *process.Process) (*Info, error) {
+	info := &Info{
+		PID:    uint32(p.Pid),
+		Status: StatusOffline,
+	}
+
+	var err error
+	info.ExePath, err = p.Exe()
+	if err != nil {
+		log.Error(err)
+		return nil, err
+	}
+
+	info.Version, err = dllver.New(info.ExePath)
+	if err != nil {
+		log.Error(err)
+		return nil, err
+	}
+
+	if err := info.initialize(p); err != nil {
+		return nil, err
+	}
+
+	return info, nil
+}
diff --git a/internal/wechat/info_others.go b/internal/wechat/info_others.go
new file mode 100644
index 0000000..b8c3e3d
--- /dev/null
+++ b/internal/wechat/info_others.go
@@ -0,0 +1,16 @@
+//go:build !windows
+
+package wechat
+
+import "github.com/shirou/gopsutil/v4/process"
+
+// Giao~
+// 还没来得及写，Mac 版本打算通过 vmmap 检查内存区域，再用 lldb 读取内存来检查 Key，需要关 SIP 或自签名应用，稍晚再填坑
+
+func (i *Info) initialize(p *process.Process) error {
+	return nil
+}
+
+func (i *Info) GetKey() (string, error) {
+	return "mock-key", nil
+}
diff --git a/internal/wechat/info_windows.go b/internal/wechat/info_windows.go
new file mode 100644
index 0000000..6820c44
--- /dev/null
+++ b/internal/wechat/info_windows.go
@@ -0,0 +1,507 @@
+package wechat
+
+import (
+	"bytes"
+	"context"
+	"encoding/binary"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"sync"
+	"unsafe"
+
+	"github.com/sjzar/chatlog/pkg/util"
+
+	"github.com/shirou/gopsutil/v4/process"
+	log "github.com/sirupsen/logrus"
+	"golang.org/x/sys/windows"
+)
+
+const (
+	V3ModuleName = "WeChatWin.dll"
+	V3DBFile     = "Msg\\Misc.db"
+	V4DBFile     = "db_storage\\message\\message_0.db"
+
+	MaxWorkers = 16
+
+	// Windows memory protection constants
+	MEM_PRIVATE = 0x20000
+)
+
+// Common error definitions
+var (
+	ErrWeChatOffline    = errors.New("wechat is not logged in")
+	ErrOpenProcess      = errors.New("failed to open process")
+	ErrReaddecryptor    = errors.New("failed to read database header")
+	ErrCheckProcessBits = errors.New("failed to check process architecture")
+	ErrFindWeChatDLL    = errors.New("WeChatWin.dll module not found")
+	ErrNoValidKey       = errors.New("no valid key found")
+	ErrInvalidFilePath  = errors.New("invalid file path format")
+)
+
+// GetKey is the entry point for retrieving the WeChat database key
+func (i *Info) GetKey() (string, error) {
+	if i.Status == StatusOffline {
+		return "", ErrWeChatOffline
+	}
+
+	// Choose key retrieval method based on WeChat version
+	if i.Version.FileMajorVersion == 4 {
+		return i.getKeyV4()
+	}
+	return i.getKeyV3()
+}
+
+// initialize initializes WeChat information
+func (i *Info) initialize(p *process.Process) error {
+	files, err := p.OpenFiles()
+	if err != nil {
+		log.Error("Failed to get open file list: ", err)
+		return err
+	}
+
+	dbPath := V3DBFile
+	if i.Version.FileMajorVersion == 4 {
+		dbPath = V4DBFile
+	}
+
+	for _, f := range files {
+		if strings.HasSuffix(f.Path, dbPath) {
+			filePath := f.Path[4:] // Remove "\\?\" prefix
+			parts := strings.Split(filePath, string(filepath.Separator))
+			if len(parts) < 4 {
+				log.Debug("Invalid file path format: " + filePath)
+				continue
+			}
+
+			i.Status = StatusOnline
+			if i.Version.FileMajorVersion == 4 {
+				i.DataDir = strings.Join(parts[:len(parts)-3], string(filepath.Separator))
+				i.AccountName = parts[len(parts)-4]
+			} else {
+				i.DataDir = strings.Join(parts[:len(parts)-2], string(filepath.Separator))
+				i.AccountName = parts[len(parts)-3]
+			}
+		}
+	}
+
+	return nil
+}
+
+// getKeyV3 retrieves the database key for WeChat V3 version
+func (i *Info) getKeyV3() (string, error) {
+	// Read database header for key validation
+	dbPath := filepath.Join(i.DataDir, V3DBFile)
+	decryptor, err := NewDecryptor(dbPath, i.Version.FileMajorVersion)
+	if err != nil {
+		return "", fmt.Errorf("%w: %v", ErrReaddecryptor, err)
+	}
+	log.Debug("V3 database path: ", dbPath)
+
+	// Open WeChat process
+	handle, err := windows.OpenProcess(windows.PROCESS_QUERY_INFORMATION|windows.PROCESS_VM_READ, false, i.PID)
+	if err != nil {
+		return "", fmt.Errorf("%w: %v", ErrOpenProcess, err)
+	}
+	defer windows.CloseHandle(handle)
+
+	// Check process architecture
+	is64Bit, err := util.Is64Bit(handle)
+	if err != nil {
+		return "", fmt.Errorf("%w: %v", ErrCheckProcessBits, err)
+	}
+
+	// Create context to control all goroutines
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	// Create channels for memory data and results
+	memoryChannel := make(chan []byte, 100)
+	resultChannel := make(chan string, 1)
+
+	// Determine number of worker goroutines
+	workerCount := runtime.NumCPU()
+	if workerCount < 2 {
+		workerCount = 2
+	}
+	if workerCount > MaxWorkers {
+		workerCount = MaxWorkers
+	}
+	log.Debug("Starting ", workerCount, " workers for V3 key search")
+
+	// Start consumer goroutines
+	var workerWaitGroup sync.WaitGroup
+	workerWaitGroup.Add(workerCount)
+	for index := 0; index < workerCount; index++ {
+		go func() {
+			defer workerWaitGroup.Done()
+			workerV3(ctx, handle, decryptor, is64Bit, memoryChannel, resultChannel)
+		}()
+	}
+
+	// Start producer goroutine
+	var producerWaitGroup sync.WaitGroup
+	producerWaitGroup.Add(1)
+	go func() {
+		defer producerWaitGroup.Done()
+		defer close(memoryChannel) // Close channel when producer is done
+		err := i.findMemoryV3(ctx, handle, memoryChannel)
+		if err != nil {
+			log.Error(err)
+		}
+	}()
+
+	// Wait for producer and consumers to complete
+	go func() {
+		producerWaitGroup.Wait()
+		workerWaitGroup.Wait()
+		close(resultChannel)
+	}()
+
+	// Wait for result
+	result, ok := <-resultChannel
+	if ok && result != "" {
+		i.Key = result
+		return result, nil
+	}
+
+	return "", ErrNoValidKey
+}
+
+// getKeyV4 retrieves the database key for WeChat V4 version
+func (i *Info) getKeyV4() (string, error) {
+	// Read database header for key validation
+	dbPath := filepath.Join(i.DataDir, V4DBFile)
+	decryptor, err := NewDecryptor(dbPath, i.Version.FileMajorVersion)
+	if err != nil {
+		return "", fmt.Errorf("%w: %v", ErrReaddecryptor, err)
+	}
+	log.Debug("V4 database path: ", dbPath)
+
+	// Open process handle
+	handle, err := windows.OpenProcess(windows.PROCESS_VM_READ|windows.PROCESS_QUERY_INFORMATION, false, i.PID)
+	if err != nil {
+		return "", fmt.Errorf("%w: %v", ErrOpenProcess, err)
+	}
+	defer windows.CloseHandle(handle)
+
+	// Create context to control all goroutines
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	// Create channels for memory data and results
+	memoryChannel := make(chan []byte, 100)
+	resultChannel := make(chan string, 1)
+
+	// Determine number of worker goroutines
+	workerCount := runtime.NumCPU()
+	if workerCount < 2 {
+		workerCount = 2
+	}
+	if workerCount > MaxWorkers {
+		workerCount = MaxWorkers
+	}
+	log.Debug("Starting ", workerCount, " workers for V4 key search")
+
+	// Start consumer goroutines
+	var workerWaitGroup sync.WaitGroup
+	workerWaitGroup.Add(workerCount)
+	for index := 0; index < workerCount; index++ {
+		go func() {
+			defer workerWaitGroup.Done()
+			workerV4(ctx, handle, decryptor, memoryChannel, resultChannel)
+		}()
+	}
+
+	// Start producer goroutine
+	var producerWaitGroup sync.WaitGroup
+	producerWaitGroup.Add(1)
+	go func() {
+		defer producerWaitGroup.Done()
+		defer close(memoryChannel) // Close channel when producer is done
+		err := i.findMemoryV4(ctx, handle, memoryChannel)
+		if err != nil {
+			log.Error(err)
+		}
+	}()
+
+	// Wait for producer and consumers to complete
+	go func() {
+		producerWaitGroup.Wait()
+		workerWaitGroup.Wait()
+		close(resultChannel)
+	}()
+
+	// Wait for result
+	result, ok := <-resultChannel
+	if ok && result != "" {
+		i.Key = result
+		return result, nil
+	}
+
+	return "", ErrNoValidKey
+}
+
+// findMemoryV3 searches for writable memory regions in WeChatWin.dll for V3 version
+func (i *Info) findMemoryV3(ctx context.Context, handle windows.Handle, memoryChannel chan<- []byte) error {
+	// Find WeChatWin.dll module
+	module, isFound := FindModule(i.PID, V3ModuleName)
+	if !isFound {
+		return ErrFindWeChatDLL
+	}
+	log.Debug("Found WeChatWin.dll module at base address: 0x", fmt.Sprintf("%X", module.ModBaseAddr))
+
+	// Read writable memory regions
+	baseAddr := uintptr(module.ModBaseAddr)
+	endAddr := baseAddr + uintptr(module.ModBaseSize)
+	currentAddr := baseAddr
+
+	for currentAddr < endAddr {
+		var mbi windows.MemoryBasicInformation
+		err := windows.VirtualQueryEx(handle, currentAddr, &mbi, unsafe.Sizeof(mbi))
+		if err != nil {
+			break
+		}
+
+		// Skip small memory regions
+		if mbi.RegionSize < 100*1024 {
+			currentAddr += uintptr(mbi.RegionSize)
+			continue
+		}
+
+		// Check if memory region is writable
+		isWritable := (mbi.Protect & (windows.PAGE_READWRITE | windows.PAGE_WRITECOPY | windows.PAGE_EXECUTE_READWRITE | windows.PAGE_EXECUTE_WRITECOPY)) > 0
+		if isWritable && uint32(mbi.State) == windows.MEM_COMMIT {
+			// Calculate region size, ensure it doesn't exceed DLL bounds
+			regionSize := uintptr(mbi.RegionSize)
+			if currentAddr+regionSize > endAddr {
+				regionSize = endAddr - currentAddr
+			}
+
+			// Read writable memory region
+			memory := make([]byte, regionSize)
+			if err = windows.ReadProcessMemory(handle, currentAddr, &memory[0], regionSize, nil); err == nil {
+				select {
+				case memoryChannel <- memory:
+					log.Debug("Sent memory region for analysis, size: ", regionSize, " bytes")
+				case <-ctx.Done():
+					return nil
+				}
+			}
+		}
+
+		// Move to next memory region
+		currentAddr = uintptr(mbi.BaseAddress) + uintptr(mbi.RegionSize)
+	}
+
+	return nil
+}
+
+// workerV3 processes memory regions to find V3 version key
+func workerV3(ctx context.Context, handle windows.Handle, decryptor *Decryptor, is64Bit bool, memoryChannel <-chan []byte, resultChannel chan<- string) {
+
+	// Define search pattern
+	keyPattern := []byte{0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+	ptrSize := 8
+	littleEndianFunc := binary.LittleEndian.Uint64
+
+	// Adjust for 32-bit process
+	if !is64Bit {
+		keyPattern = keyPattern[:4]
+		ptrSize = 4
+		littleEndianFunc = func(b []byte) uint64 { return uint64(binary.LittleEndian.Uint32(b)) }
+	}
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case memory, ok := <-memoryChannel:
+			if !ok {
+				return
+			}
+
+			index := len(memory)
+			for {
+				select {
+				case <-ctx.Done():
+					return // Exit if result found
+				default:
+				}
+
+				// Find pattern from end to beginning
+				index = bytes.LastIndex(memory[:index], keyPattern)
+				if index == -1 || index-ptrSize < 0 {
+					break
+				}
+
+				// Extract and validate pointer value
+				ptrValue := littleEndianFunc(memory[index-ptrSize : index])
+				if ptrValue > 0x10000 && ptrValue < 0x7FFFFFFFFFFF {
+					if key := validateKey(handle, decryptor, ptrValue); key != "" {
+						select {
+						case resultChannel <- key:
+							log.Debug("Valid key found for V3 database")
+						default:
+						}
+						return
+					}
+				}
+				index -= 1 // Continue searching from previous position
+			}
+		}
+	}
+}
+
+// findMemoryV4 searches for writable memory regions for V4 version
+func (i *Info) findMemoryV4(ctx context.Context, handle windows.Handle, memoryChannel chan<- []byte) error {
+	// Define search range
+	minAddr := uintptr(0x10000)    // Process space usually starts from 0x10000
+	maxAddr := uintptr(0x7FFFFFFF) // 32-bit process space limit
+
+	if runtime.GOARCH == "amd64" {
+		maxAddr = uintptr(0x7FFFFFFFFFFF) // 64-bit process space limit
+	}
+	log.Debug("Scanning memory regions from 0x", fmt.Sprintf("%X", minAddr), " to 0x", fmt.Sprintf("%X", maxAddr))
+
+	currentAddr := minAddr
+
+	for currentAddr < maxAddr {
+		var memInfo windows.MemoryBasicInformation
+		err := windows.VirtualQueryEx(handle, currentAddr, &memInfo, unsafe.Sizeof(memInfo))
+		if err != nil {
+			break
+		}
+
+		// Skip small memory regions
+		if memInfo.RegionSize < 1024*1024 {
+			currentAddr += uintptr(memInfo.RegionSize)
+			continue
+		}
+
+		// Check if memory region is readable and private
+		if memInfo.State == windows.MEM_COMMIT && (memInfo.Protect&windows.PAGE_READWRITE) != 0 && memInfo.Type == MEM_PRIVATE {
+			// Calculate region size, ensure it doesn't exceed limit
+			regionSize := uintptr(memInfo.RegionSize)
+			if currentAddr+regionSize > maxAddr {
+				regionSize = maxAddr - currentAddr
+			}
+
+			// Read memory region
+			memory := make([]byte, regionSize)
+			if err = windows.ReadProcessMemory(handle, currentAddr, &memory[0], regionSize, nil); err == nil {
+				select {
+				case memoryChannel <- memory:
+					log.Debug("Sent memory region for analysis, size: ", regionSize, " bytes")
+				case <-ctx.Done():
+					return nil
+				}
+			}
+		}
+
+		// Move to next memory region
+		currentAddr = uintptr(memInfo.BaseAddress) + uintptr(memInfo.RegionSize)
+	}
+
+	return nil
+}
+
+// workerV4 processes memory regions to find V4 version key
+func workerV4(ctx context.Context, handle windows.Handle, decryptor *Decryptor, memoryChannel <-chan []byte, resultChannel chan<- string) {
+
+	// Define search pattern for V4
+	keyPattern := []byte{
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x2F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	}
+	ptrSize := 8
+	littleEndianFunc := binary.LittleEndian.Uint64
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case memory, ok := <-memoryChannel:
+			if !ok {
+				return
+			}
+
+			index := len(memory)
+			for {
+				select {
+				case <-ctx.Done():
+					return // Exit if result found
+				default:
+				}
+
+				// Find pattern from end to beginning
+				index = bytes.LastIndex(memory[:index], keyPattern)
+				if index == -1 || index-ptrSize < 0 {
+					break
+				}
+
+				// Extract and validate pointer value
+				ptrValue := littleEndianFunc(memory[index-ptrSize : index])
+				if ptrValue > 0x10000 && ptrValue < 0x7FFFFFFFFFFF {
+					if key := validateKey(handle, decryptor, ptrValue); key != "" {
+						select {
+						case resultChannel <- key:
+							log.Debug("Valid key found for V4 database")
+						default:
+						}
+						return
+					}
+				}
+				index -= 1 // Continue searching from previous position
+			}
+		}
+	}
+}
+
+// validateKey validates a single key candidate
+func validateKey(handle windows.Handle, decryptor *Decryptor, addr uint64) string {
+	keyData := make([]byte, 0x20) // 32-byte key
+	if err := windows.ReadProcessMemory(handle, uintptr(addr), &keyData[0], uintptr(len(keyData)), nil); err != nil {
+		return ""
+	}
+
+	// Validate key against database header
+	if decryptor.Validate(keyData) {
+		return hex.EncodeToString(keyData)
+	}
+
+	return ""
+}
+
+// FindModule searches for a specified module in the process
+// Used to find WeChatWin.dll module for V3 version
+func FindModule(pid uint32, name string) (module windows.ModuleEntry32, isFound bool) {
+	// Create module snapshot
+	snapshot, err := windows.CreateToolhelp32Snapshot(windows.TH32CS_SNAPMODULE|windows.TH32CS_SNAPMODULE32, pid)
+	if err != nil {
+		log.Debug("Failed to create module snapshot: ", err)
+		return module, false
+	}
+	defer windows.CloseHandle(snapshot)
+
+	// Initialize module entry structure
+	module.Size = uint32(windows.SizeofModuleEntry32)
+
+	// Get the first module
+	if err := windows.Module32First(snapshot, &module); err != nil {
+		log.Debug("Failed to get first module: ", err)
+		return module, false
+	}
+
+	// Iterate through all modules to find WeChatWin.dll
+	for ; err == nil; err = windows.Module32Next(snapshot, &module) {
+		if windows.UTF16ToString(module.Module[:]) == name {
+			return module, true
+		}
+	}
+	return module, false
+}
diff --git a/internal/wechat/manager.go b/internal/wechat/manager.go
new file mode 100644
index 0000000..d812345
--- /dev/null
+++ b/internal/wechat/manager.go
@@ -0,0 +1,57 @@
+package wechat
+
+import (
+	"strings"
+
+	"github.com/shirou/gopsutil/v4/process"
+	log "github.com/sirupsen/logrus"
+)
+
+const (
+	V3ProcessName = "WeChat"
+	V4ProcessName = "Weixin"
+)
+
+var (
+	Items   []*Info
+	ItemMap map[string]*Info
+)
+
+func Load() {
+	Items = make([]*Info, 0, 2)
+	ItemMap = make(map[string]*Info)
+
+	processes, err := process.Processes()
+	if err != nil {
+		log.Println("获取进程列表失败:", err)
+		return
+	}
+
+	for _, p := range processes {
+		name, err := p.Name()
+		name = strings.TrimSuffix(name, ".exe")
+		if err != nil || name != V3ProcessName && name != V4ProcessName {
+			continue
+		}
+
+		// v4 存在同名进程，需要继续判断 cmdline
+		if name == V4ProcessName {
+			cmdline, err := p.Cmdline()
+			if err != nil {
+				log.Error(err)
+				continue
+			}
+			if strings.Contains(cmdline, "--") {
+				continue
+			}
+		}
+
+		info, err := NewInfo(p)
+		if err != nil {
+			continue
+		}
+
+		Items = append(Items, info)
+		ItemMap[info.AccountName] = info
+	}
+}
diff --git a/internal/wechatdb/contact.go b/internal/wechatdb/contact.go
new file mode 100644
index 0000000..19d1d4d
--- /dev/null
+++ b/internal/wechatdb/contact.go
@@ -0,0 +1,269 @@
+package wechatdb
+
+import (
+	"database/sql"
+	"fmt"
+
+	"github.com/sjzar/chatlog/pkg/model"
+	"github.com/sjzar/chatlog/pkg/util"
+
+	log "github.com/sirupsen/logrus"
+)
+
+var (
+	ContactFileV3 = "^MicroMsg.db$"
+	ContactFileV4 = "contact.db$"
+)
+
+type Contact struct {
+	version int
+	dbFile  string
+	db      *sql.DB
+
+	Contact  map[string]*model.Contact  // 好友和群聊信息，Key UserName
+	ChatRoom map[string]*model.ChatRoom // 群聊信息，Key UserName
+	Sessions []*model.Session           // 历史会话，按时间倒序
+
+	// Quick Search
+	ChatRoomUsers    map[string]*model.Contact // 群聊成员信息，Key UserName
+	Alias2Contack    map[string]*model.Contact // 别名到联系人的映射
+	Remark2Contack   map[string]*model.Contact // 备注名到联系人的映射
+	NickName2Contack map[string]*model.Contact // 昵称到联系人的映射
+}
+
+func NewContact(path string, version int) (*Contact, error) {
+	c := &Contact{
+		version: version,
+	}
+
+	files, err := util.FindFilesWithPatterns(path, ContactFileV3, true)
+	if err != nil {
+		return nil, fmt.Errorf("查找数据库文件失败: %v", err)
+	}
+
+	if len(files) == 0 {
+		return nil, fmt.Errorf("未找到任何数据库文件: %s", path)
+	}
+
+	c.dbFile = files[0]
+
+	c.db, err = sql.Open("sqlite3", c.dbFile)
+	if err != nil {
+		log.Printf("警告: 连接数据库 %s 失败: %v", c.dbFile, err)
+		return nil, fmt.Errorf("连接数据库失败: %v", err)
+	}
+
+	c.loadContact()
+	c.loadChatRoom()
+	c.loadSession()
+	c.fillChatRoomInfo()
+
+	return c, nil
+}
+
+func (c *Contact) loadContact() {
+	contactMap := make(map[string]*model.Contact)
+	chatRoomUserMap := make(map[string]*model.Contact)
+	aliasMap := make(map[string]*model.Contact)
+	remarkMap := make(map[string]*model.Contact)
+	nickNameMap := make(map[string]*model.Contact)
+	rows, err := c.db.Query("SELECT UserName, Alias, Remark, NickName, Reserved1 FROM Contact")
+	if err != nil {
+		log.Errorf("查询联系人失败: %v", err)
+		return
+	}
+
+	for rows.Next() {
+		var contactv3 model.ContactV3
+
+		if err := rows.Scan(
+			&contactv3.UserName,
+			&contactv3.Alias,
+			&contactv3.Remark,
+			&contactv3.NickName,
+			&contactv3.Reserved1,
+		); err != nil {
+			log.Printf("警告: 扫描联系人行失败: %v", err)
+			continue
+		}
+		contact := contactv3.Wrap()
+
+		if contact.IsFriend {
+			contactMap[contact.UserName] = contact
+			if contact.Alias != "" {
+				aliasMap[contact.Alias] = contact
+			}
+			if contact.Remark != "" {
+				remarkMap[contact.Remark] = contact
+			}
+			if contact.NickName != "" {
+				nickNameMap[contact.NickName] = contact
+			}
+		} else {
+			chatRoomUserMap[contact.UserName] = contact
+		}
+
+	}
+	rows.Close()
+
+	c.Contact = contactMap
+	c.ChatRoomUsers = chatRoomUserMap
+	c.Alias2Contack = aliasMap
+	c.Remark2Contack = remarkMap
+	c.NickName2Contack = nickNameMap
+}
+
+func (c *Contact) loadChatRoom() {
+
+	chatRoomMap := make(map[string]*model.ChatRoom)
+	rows, err := c.db.Query("SELECT ChatRoomName, Reserved2, RoomData FROM ChatRoom")
+	if err != nil {
+		log.Errorf("查询群聊失败: %v", err)
+		return
+	}
+	for rows.Next() {
+		var chatRoom model.ChatRoomV3
+		if err := rows.Scan(
+			&chatRoom.ChatRoomName,
+			&chatRoom.Reserved2,
+			&chatRoom.RoomData,
+		); err != nil {
+			log.Printf("警告: 扫描群聊行失败: %v", err)
+			continue
+		}
+		chatRoomMap[chatRoom.ChatRoomName] = chatRoom.Wrap()
+	}
+	rows.Close()
+	c.ChatRoom = chatRoomMap
+}
+
+func (c *Contact) loadSession() {
+
+	sessions := make([]*model.Session, 0)
+	rows, err := c.db.Query("SELECT strUsrName, nOrder, strNickName, strContent, nTime FROM Session ORDER BY nOrder DESC")
+	if err != nil {
+		log.Errorf("查询群聊失败: %v", err)
+		return
+	}
+	for rows.Next() {
+		var sessionV3 model.SessionV3
+		if err := rows.Scan(
+			&sessionV3.StrUsrName,
+			&sessionV3.NOrder,
+			&sessionV3.StrNickName,
+			&sessionV3.StrContent,
+			&sessionV3.NTime,
+		); err != nil {
+			log.Printf("警告: 扫描历史会话失败: %v", err)
+			continue
+		}
+		session := sessionV3.Wrap()
+		sessions = append(sessions, session)
+
+	}
+	rows.Close()
+	c.Sessions = sessions
+}
+
+func (c *Contact) ListContact() ([]*model.Contact, error) {
+	contacts := make([]*model.Contact, 0, len(c.Contact))
+	for _, contact := range c.Contact {
+		contacts = append(contacts, contact)
+	}
+	return contacts, nil
+}
+
+func (c *Contact) ListChatRoom() ([]*model.ChatRoom, error) {
+	chatRooms := make([]*model.ChatRoom, 0, len(c.ChatRoom))
+	for _, chatRoom := range c.ChatRoom {
+		chatRooms = append(chatRooms, chatRoom)
+	}
+	return chatRooms, nil
+}
+
+func (c *Contact) GetContact(key string) *model.Contact {
+	if contact, ok := c.Contact[key]; ok {
+		return contact
+	}
+	if contact, ok := c.Alias2Contack[key]; ok {
+		return contact
+	}
+	if contact, ok := c.Remark2Contack[key]; ok {
+		return contact
+	}
+	if contact, ok := c.NickName2Contack[key]; ok {
+		return contact
+	}
+	return nil
+}
+
+func (c *Contact) GetChatRoom(name string) *model.ChatRoom {
+	if chatRoom, ok := c.ChatRoom[name]; ok {
+		return chatRoom
+	}
+
+	if contact := c.GetContact(name); contact != nil {
+		if chatRoom, ok := c.ChatRoom[contact.UserName]; ok {
+			return chatRoom
+		} else {
+			// 被删除的群聊，在 ChatRoom 记录中没有了，但是能找到 Contact，做下 Mock
+			return &model.ChatRoom{
+				Name:             contact.UserName,
+				Remark:           contact.Remark,
+				NickName:         contact.NickName,
+				Users:            make([]model.ChatRoomUser, 0),
+				User2DisplayName: make(map[string]string),
+			}
+		}
+	}
+
+	return nil
+}
+
+func (c *Contact) GetSession(limit int) []*model.Session {
+	if limit <= 0 {
+		limit = len(c.Sessions)
+	}
+
+	if len(c.Sessions) < limit {
+		limit = len(c.Sessions)
+	}
+	return c.Sessions[:limit]
+}
+
+func (c *Contact) getFullContact(userName string) *model.Contact {
+	if contact := c.GetContact(userName); contact != nil {
+		return contact
+	}
+	if contact, ok := c.ChatRoomUsers[userName]; ok {
+		return contact
+	}
+	return nil
+}
+
+func (c *Contact) fillChatRoomInfo() {
+	for i := range c.ChatRoom {
+		if contact := c.GetContact(c.ChatRoom[i].Name); contact != nil {
+			c.ChatRoom[i].Remark = contact.Remark
+			c.ChatRoom[i].NickName = contact.NickName
+		}
+	}
+}
+
+func (c *Contact) MessageFillInfo(msg *model.Message) {
+	talker := msg.Talker
+	if msg.IsChatRoom {
+		talker = msg.ChatRoomSender
+		if chatRoom := c.GetChatRoom(msg.Talker); chatRoom != nil {
+			msg.CharRoomName = chatRoom.DisplayName()
+			if displayName, ok := chatRoom.User2DisplayName[talker]; ok {
+				msg.DisplayName = displayName
+			}
+		}
+	}
+	if msg.DisplayName == "" && msg.IsSender != 1 {
+		if contact := c.getFullContact(talker); contact != nil {
+			msg.DisplayName = contact.DisplayName()
+		}
+	}
+}
diff --git a/internal/wechatdb/message.go b/internal/wechatdb/message.go
new file mode 100644
index 0000000..d2ba934
--- /dev/null
+++ b/internal/wechatdb/message.go
@@ -0,0 +1,321 @@
+package wechatdb
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"sort"
+	"strings"
+	"time"
+
+	"github.com/sjzar/chatlog/pkg/model"
+	"github.com/sjzar/chatlog/pkg/util"
+
+	_ "github.com/mattn/go-sqlite3"
+)
+
+const (
+	MessageFileV3 = "^MSG([0-9]?[0-9])?\\.db$"
+	MessageFileV4 = "^messages_([0-9]?[0-9])+\\.db$"
+)
+
+type Message struct {
+	version int
+	files   []MsgDBInfo
+	dbs     map[string]*sql.DB
+}
+
+type MsgDBInfo struct {
+	FilePath  string
+	StartTime time.Time
+	EndTime   time.Time
+	TalkerMap map[string]int
+}
+
+func NewMessage(path string, version int) (*Message, error) {
+	m := &Message{
+		version: version,
+		files:   make([]MsgDBInfo, 0),
+		dbs:     make(map[string]*sql.DB),
+	}
+
+	// 查找所有 MSG[0-13].db 文件
+	files, err := util.FindFilesWithPatterns(path, MessageFileV3, true)
+	if err != nil {
+		return nil, fmt.Errorf("查找数据库文件失败: %v", err)
+	}
+
+	if len(files) == 0 {
+		return nil, fmt.Errorf("未找到任何数据库文件: %s", path)
+	}
+
+	// 处理每个数据库文件
+	for _, filePath := range files {
+		// 连接数据库
+		db, err := sql.Open("sqlite3", filePath)
+		if err != nil {
+			log.Printf("警告: 连接数据库 %s 失败: %v", filePath, err)
+			continue
+		}
+
+		// 获取 DBInfo 表中的开始时间
+		// 首先检查表结构
+		var startTime time.Time
+
+		// 尝试从 DBInfo 表中查找 Start Time 对应的记录
+		rows, err := db.Query("SELECT tableIndex, tableVersion, tableDesc FROM DBInfo")
+		if err != nil {
+			log.Printf("警告: 查询数据库 %s 的 DBInfo 表失败: %v", filePath, err)
+			db.Close()
+			continue
+		}
+
+		for rows.Next() {
+			var tableIndex int
+			var tableVersion int64
+			var tableDesc string
+
+			if err := rows.Scan(&tableIndex, &tableVersion, &tableDesc); err != nil {
+				log.Printf("警告: 扫描 DBInfo 行失败: %v", err)
+				continue
+			}
+
+			// 查找描述为 "Start Time" 的记录
+			if strings.Contains(tableDesc, "Start Time") {
+				startTime = time.Unix(tableVersion/1000, (tableVersion%1000)*1000000)
+				break
+			}
+		}
+		rows.Close()
+
+		// 组织 TalkerMap
+		talkerMap := make(map[string]int)
+		rows, err = db.Query("SELECT UsrName FROM Name2ID")
+		if err != nil {
+			log.Printf("警告: 查询数据库 %s 的 Name2ID 表失败: %v", filePath, err)
+			db.Close()
+			continue
+		}
+
+		i := 1
+		for rows.Next() {
+			var userName string
+			if err := rows.Scan(&userName); err != nil {
+				log.Printf("警告: 扫描 Name2ID 行失败: %v", err)
+				continue
+			}
+			talkerMap[userName] = i
+			i++
+		}
+
+		// 保存数据库信息
+		m.files = append(m.files, MsgDBInfo{
+			FilePath:  filePath,
+			StartTime: startTime,
+			TalkerMap: talkerMap,
+		})
+
+		// 保存数据库连接
+		m.dbs[filePath] = db
+	}
+
+	// 按照 StartTime 排序数据库文件
+	sort.Slice(m.files, func(i, j int) bool {
+		return m.files[i].StartTime.Before(m.files[j].StartTime)
+	})
+
+	for i := range m.files {
+		if i == len(m.files)-1 {
+			m.files[i].EndTime = time.Now()
+		} else {
+			m.files[i].EndTime = m.files[i+1].StartTime
+		}
+	}
+
+	return m, nil
+}
+
+// GetMessages 根据时间段和 talker 查询聊天记录
+func (m *Message) GetMessages(startTime, endTime time.Time, talker string, limit, offset int) ([]*model.Message, error) {
+	// 找到时间范围内的数据库文件
+	dbInfos := m.getDBInfosForTimeRange(startTime, endTime)
+	if len(dbInfos) == 0 {
+		return nil, fmt.Errorf("未找到时间范围 %v 到 %v 内的数据库文件", startTime, endTime)
+	}
+
+	if len(dbInfos) == 1 {
+		// LIMIT 和 OFFSET 逻辑在单文件情况下可以直接在 SQL 里处理
+		return m.getMessagesSingleFile(dbInfos[0], startTime, endTime, talker, limit, offset)
+	}
+
+	// 从每个相关数据库中查询消息
+	totalMessages := []*model.Message{}
+
+	for _, dbInfo := range dbInfos {
+		db, ok := m.dbs[dbInfo.FilePath]
+		if !ok {
+			log.Printf("警告: 数据库 %s 未打开", dbInfo.FilePath)
+			continue
+		}
+
+		// 构建查询条件
+		// 使用 Sequence 查询，有索引
+		conditions := []string{"Sequence >= ? AND Sequence <= ?"}
+		args := []interface{}{startTime.Unix() * 1000, endTime.Unix() * 1000}
+
+		if len(talker) > 0 {
+			talkerID, ok := dbInfo.TalkerMap[talker]
+			if ok {
+				conditions = append(conditions, "TalkerId = ?")
+				args = append(args, talkerID)
+			} else {
+				conditions = append(conditions, "StrTalker = ?")
+				args = append(args, talker)
+			}
+		}
+
+		query := fmt.Sprintf(`
+			SELECT Sequence, CreateTime, TalkerId, StrTalker, IsSender, 
+				Type, SubType, StrContent, CompressContent, BytesExtra
+			FROM MSG 
+			WHERE %s 
+			ORDER BY Sequence ASC
+		`, strings.Join(conditions, " AND "))
+
+		// 执行查询
+		rows, err := db.Query(query, args...)
+		if err != nil {
+			log.Printf("警告: 查询数据库 %s 失败: %v", dbInfo.FilePath, err)
+			continue
+		}
+
+		// 处理查询结果
+		for rows.Next() {
+			var msg model.MessageV3
+			var compressContent []byte
+			var bytesExtra []byte
+
+			err := rows.Scan(
+				&msg.Sequence,
+				&msg.CreateTime,
+				&msg.TalkerID,
+				&msg.StrTalker,
+				&msg.IsSender,
+				&msg.Type,
+				&msg.SubType,
+				&msg.StrContent,
+				&compressContent,
+				&bytesExtra,
+			)
+			if err != nil {
+				log.Printf("警告: 扫描消息行失败: %v", err)
+				continue
+			}
+			msg.CompressContent = compressContent
+			msg.BytesExtra = bytesExtra
+
+			totalMessages = append(totalMessages, msg.Wrap())
+		}
+		rows.Close()
+
+		if limit+offset > 0 && len(totalMessages) >= limit+offset {
+			break
+		}
+	}
+
+	// 对所有消息按时间排序
+	sort.Slice(totalMessages, func(i, j int) bool {
+		return totalMessages[i].Sequence < totalMessages[j].Sequence
+	})
+
+	// FIXME limit 和 offset 逻辑，在多文件边界条件下不好处理，直接查询全量数据后在进程里处理
+	if limit > 0 {
+		if offset >= len(totalMessages) {
+			return []*model.Message{}, nil
+		}
+		end := offset + limit
+		if end > len(totalMessages) || limit == 0 {
+			end = len(totalMessages)
+		}
+		return totalMessages[offset:end], nil
+	}
+
+	return totalMessages, nil
+
+}
+
+func (m *Message) getMessagesSingleFile(dbInfo MsgDBInfo, startTime, endTime time.Time, talker string, limit, offset int) ([]*model.Message, error) {
+	// 构建查询条件
+	// 使用 Sequence 查询，有索引
+	conditions := []string{"Sequence >= ? AND Sequence <= ?"}
+	args := []interface{}{startTime.Unix() * 1000, endTime.Unix() * 1000}
+	if len(talker) > 0 {
+		// TalkerId 有索引，优先使用
+		talkerID, ok := dbInfo.TalkerMap[talker]
+		if ok {
+			conditions = append(conditions, "TalkerId = ?")
+			args = append(args, talkerID)
+		} else {
+			conditions = append(conditions, "StrTalker = ?")
+			args = append(args, talker)
+		}
+	}
+	query := fmt.Sprintf(`
+		SELECT Sequence, CreateTime, TalkerId, StrTalker, IsSender, 
+			Type, SubType, StrContent, CompressContent, BytesExtra
+		FROM MSG 
+		WHERE %s 
+		ORDER BY Sequence ASC
+	`, strings.Join(conditions, " AND "))
+
+	if limit > 0 {
+		query += fmt.Sprintf(" LIMIT %d", limit)
+
+		if offset > 0 {
+			query += fmt.Sprintf(" OFFSET %d", offset)
+		}
+	}
+
+	// 执行查询
+	rows, err := m.dbs[dbInfo.FilePath].Query(query, args...)
+	if err != nil {
+		return nil, fmt.Errorf("查询数据库 %s 失败: %v", dbInfo.FilePath, err)
+	}
+	defer rows.Close()
+	// 处理查询结果
+	totalMessages := []*model.Message{}
+	for rows.Next() {
+		var msg model.MessageV3
+		var compressContent []byte
+		var bytesExtra []byte
+		err := rows.Scan(
+			&msg.Sequence,
+			&msg.CreateTime,
+			&msg.TalkerID,
+			&msg.StrTalker,
+			&msg.IsSender,
+			&msg.Type,
+			&msg.SubType,
+			&msg.StrContent,
+			&compressContent,
+			&bytesExtra,
+		)
+		if err != nil {
+			return nil, fmt.Errorf("扫描消息行失败: %v", err)
+		}
+		msg.CompressContent = compressContent
+		msg.BytesExtra = bytesExtra
+		totalMessages = append(totalMessages, msg.Wrap())
+	}
+	return totalMessages, nil
+}
+
+func (m *Message) getDBInfosForTimeRange(startTime, endTime time.Time) []MsgDBInfo {
+	var dbs []MsgDBInfo
+	for _, info := range m.files {
+		if info.StartTime.Before(endTime) && info.EndTime.After(startTime) {
+			dbs = append(dbs, info)
+		}
+	}
+	return dbs
+}
diff --git a/internal/wechatdb/wechatdb.go b/internal/wechatdb/wechatdb.go
new file mode 100644
index 0000000..dfdf176
--- /dev/null
+++ b/internal/wechatdb/wechatdb.go
@@ -0,0 +1,117 @@
+package wechatdb
+
+import (
+	"time"
+
+	"github.com/sjzar/chatlog/pkg/model"
+
+	_ "github.com/mattn/go-sqlite3"
+)
+
+type DB struct {
+	BasePath string
+	Version  int
+
+	contact *Contact
+	message *Message
+}
+
+func New(path string, version int) (*DB, error) {
+	w := &DB{
+		BasePath: path,
+		Version:  version,
+	}
+
+	// 初始化，加载数据库文件信息
+	if err := w.Initialize(); err != nil {
+		return nil, err
+	}
+
+	return w, nil
+}
+
+func (w *DB) Close() error {
+	return nil
+}
+
+func (w *DB) Initialize() error {
+
+	var err error
+	w.message, err = NewMessage(w.BasePath, w.Version)
+	if err != nil {
+		return err
+	}
+
+	w.contact, err = NewContact(w.BasePath, w.Version)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (w *DB) GetMessages(start, end time.Time, talker string, limit, offset int) ([]*model.Message, error) {
+
+	if talker != "" {
+		if contact := w.contact.GetContact(talker); contact != nil {
+			talker = contact.UserName
+		}
+	}
+
+	messages, err := w.message.GetMessages(start, end, talker, limit, offset)
+	if err != nil {
+		return nil, err
+	}
+	for i := range messages {
+		w.contact.MessageFillInfo(messages[i])
+	}
+
+	return messages, nil
+}
+
+type ListContactResp struct {
+	Items []*model.Contact `json:"items"`
+}
+
+func (w *DB) ListContact() (*ListContactResp, error) {
+	list, err := w.contact.ListContact()
+	if err != nil {
+		return nil, err
+	}
+	return &ListContactResp{
+		Items: list,
+	}, nil
+}
+
+func (w *DB) GetContact(userName string) *model.Contact {
+	return w.contact.GetContact(userName)
+}
+
+type ListChatRoomResp struct {
+	Items []*model.ChatRoom `json:"items"`
+}
+
+func (w *DB) ListChatRoom() (*ListChatRoomResp, error) {
+	list, err := w.contact.ListChatRoom()
+	if err != nil {
+		return nil, err
+	}
+	return &ListChatRoomResp{
+		Items: list,
+	}, nil
+}
+
+func (w *DB) GetChatRoom(userName string) *model.ChatRoom {
+	return w.contact.GetChatRoom(userName)
+}
+
+type GetSessionResp struct {
+	Items []*model.Session `json:"items"`
+}
+
+func (w *DB) GetSession(limit int) (*GetSessionResp, error) {
+	sessions := w.contact.GetSession(limit)
+	return &GetSessionResp{
+		Items: sessions,
+	}, nil
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..0b6838e
--- /dev/null
+++ b/main.go
@@ -0,0 +1,12 @@
+package main
+
+import (
+	"log"
+
+	"github.com/sjzar/chatlog/cmd/chatlog"
+)
+
+func main() {
+	log.SetFlags(log.LstdFlags | log.Lshortfile)
+	chatlog.Execute()
+}
diff --git a/pkg/config/config.go b/pkg/config/config.go
new file mode 100644
index 0000000..571849f
--- /dev/null
+++ b/pkg/config/config.go
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2023 shenjunzheng@gmail.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package config
+
+import (
+	"errors"
+	"os"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/viper"
+)
+
+const (
+	DefaultConfigType = "json"
+)
+
+var (
+	// ConfigName holds the name of the configuration file.
+	ConfigName = ""
+
+	// ConfigType specifies the type/format of the configuration file.
+	ConfigType = ""
+
+	// ConfigPath denotes the path to the configuration file.
+	ConfigPath = ""
+
+	// ERROR
+	ErrInvalidDirectory  = errors.New("invalid directory path")
+	ErrMissingConfigName = errors.New("config name not specified")
+)
+
+// Init initializes the configuration settings.
+// It sets up the name, type, and path for the configuration file.
+func Init(name, _type, path string) error {
+	if len(name) == 0 {
+		return ErrMissingConfigName
+	}
+
+	if len(_type) == 0 {
+		_type = DefaultConfigType
+	}
+
+	var err error
+	if len(path) == 0 {
+		path, err = os.UserHomeDir()
+		if err != nil {
+			path = os.TempDir()
+		}
+		path += string(os.PathSeparator) + "." + name
+	}
+	if err := PrepareDir(path); err != nil {
+		return err
+	}
+
+	ConfigName = name
+	ConfigType = _type
+	ConfigPath = path
+	return nil
+}
+
+// Load loads the configuration from the previously initialized file.
+// It unmarshals the configuration into the provided conf interface.
+func Load(conf interface{}) error {
+	viper.SetConfigName(ConfigName)
+	viper.SetConfigType(ConfigType)
+	viper.AddConfigPath(ConfigPath)
+	if err := viper.ReadInConfig(); err != nil {
+		if err := viper.SafeWriteConfig(); err != nil {
+			return err
+		}
+	}
+	if err := viper.Unmarshal(conf); err != nil {
+		return err
+	}
+	SetDefault(conf)
+	return nil
+}
+
+// LoadFile loads the configuration from a specified file.
+// It unmarshals the configuration into the provided conf interface.
+func LoadFile(file string, conf interface{}) error {
+	viper.SetConfigFile(file)
+	if err := viper.ReadInConfig(); err != nil {
+		return err
+	}
+	if err := viper.Unmarshal(conf); err != nil {
+		return err
+	}
+	SetDefault(conf)
+	return nil
+}
+
+// SetConfig sets a configuration key to a specified value.
+// It also writes the updated configuration back to the file.
+func SetConfig(key string, value interface{}) error {
+	viper.Set(key, value)
+	if err := viper.WriteConfig(); err != nil {
+		return err
+	}
+	return nil
+}
+
+// ResetConfig resets the configuration to empty.
+func ResetConfig() error {
+	viper.Reset()
+	viper.SetConfigName(ConfigName)
+	viper.SetConfigType(ConfigType)
+	viper.AddConfigPath(ConfigPath)
+	return viper.WriteConfig()
+}
+
+// GetConfig retrieves all configuration settings as a map.
+func GetConfig() map[string]interface{} {
+	return viper.AllSettings()
+}
+
+// PrepareDir ensures that the specified directory path exists.
+// If the directory does not exist, it attempts to create it.
+func PrepareDir(path string) error {
+	stat, err := os.Stat(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			if err := os.MkdirAll(path, 0755); err != nil {
+				return err
+			}
+		} else {
+			return err
+		}
+	} else if !stat.IsDir() {
+		log.Debugf("%s is not a directory", path)
+		return ErrInvalidDirectory
+	}
+	return nil
+}
diff --git a/pkg/config/default.go b/pkg/config/default.go
new file mode 100644
index 0000000..f36ad24
--- /dev/null
+++ b/pkg/config/default.go
@@ -0,0 +1,251 @@
+/*
+ * Copyright (c) 2023 shenjunzheng@gmail.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package config
+
+import (
+	"encoding/json"
+	"reflect"
+	"strconv"
+)
+
+// DefaultTag is the default tag used to identify default values for struct fields.
+var DefaultTag string
+
+func init() {
+	DefaultTag = "default"
+}
+
+// SetDefaultTag updates the tag used to identify default values.
+func SetDefaultTag(tag string) {
+	DefaultTag = tag
+}
+
+// SetDefault sets the default values for a given interface{}.
+// The interface{} must be a pointer to a struct, bcs the default values are SET on the struct fields.
+func SetDefault(v interface{}) {
+	if v == nil {
+		return
+	}
+
+	val := reflect.ValueOf(v)
+	if val.Kind() == reflect.Ptr {
+		val = val.Elem()
+	}
+
+	setDefault(val, "")
+}
+
+// setDefault recursively sets default values based on the struct's tags.
+func setDefault(val reflect.Value, tag string) {
+
+	if !val.CanSet() {
+		return
+	}
+
+	switch val.Kind() {
+	case reflect.Struct:
+		handleStruct(val, tag)
+	case reflect.Ptr:
+		handlePtr(val, tag)
+	case reflect.Interface:
+		handleInterface(val, tag)
+	case reflect.Map:
+		handleMap(val, tag)
+	case reflect.Slice, reflect.Array:
+		handleSliceArray(val, tag)
+	default:
+		handleSimpleType(val, tag)
+	}
+}
+
+// handleSimpleType handles the assignment of default values for simple data types.
+func handleSimpleType(val reflect.Value, tag string) {
+
+	if len(tag) == 0 || !val.IsZero() || !val.CanSet() {
+		return
+	}
+
+	// Assign appropriate default values based on the data type.
+	switch val.Kind() {
+	case reflect.String:
+		val.SetString(tag)
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		if intValue, err := strconv.ParseInt(tag, 10, 64); err == nil {
+			val.SetInt(intValue)
+		}
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		if uintVal, err := strconv.ParseUint(tag, 10, 64); err == nil {
+			val.SetUint(uintVal)
+		}
+	case reflect.Float32, reflect.Float64:
+		if floatValue, err := strconv.ParseFloat(tag, 64); err == nil {
+			val.SetFloat(floatValue)
+		}
+	case reflect.Bool:
+		if boolVal, err := strconv.ParseBool(tag); err == nil {
+			val.SetBool(boolVal)
+		}
+	}
+}
+
+// handleStruct processes struct type fields and sets default values based on their tags.
+func handleStruct(val reflect.Value, tag string) {
+
+	if val.Kind() != reflect.Struct {
+		return
+	}
+
+	if !val.IsZero() || len(tag) == 0 {
+		typ := val.Type()
+		for i := 0; i < val.NumField(); i++ {
+			field := val.Field(i)
+			fieldType := typ.Field(i)
+			setDefault(field, fieldType.Tag.Get(DefaultTag))
+		}
+		return
+	}
+
+	if !val.CanSet() {
+		return
+	}
+
+	// If tag is provided, unmarshal the default value and set it.
+	newStruct := reflect.New(val.Type()).Interface()
+	if err := json.Unmarshal([]byte(tag), newStruct); err == nil {
+		newStructVal := reflect.ValueOf(newStruct).Elem()
+		for i := 0; i < newStructVal.NumField(); i++ {
+			field := newStructVal.Field(i)
+			fieldType := newStructVal.Type().Field(i)
+			setDefault(field, fieldType.Tag.Get(DefaultTag))
+		}
+		val.Set(newStructVal)
+	}
+}
+
+// handleSliceArray sets default values for slice or array types.
+func handleSliceArray(val reflect.Value, tag string) {
+
+	if val.Kind() != reflect.Slice && val.Kind() != reflect.Array {
+		return
+	}
+
+	if !val.IsZero() || len(tag) == 0 {
+		for i := 0; i < val.Len(); i++ {
+			setDefault(val.Index(i), "")
+		}
+		return
+	}
+
+	if !val.CanSet() {
+		return
+	}
+
+	// array 提前初始化子结构体，解决 default 长度小于 array 长度的问题
+	if val.Kind() == reflect.Array {
+		for i := 0; i < val.Len(); i++ {
+			setDefault(val.Index(i), "")
+		}
+	}
+
+	// If tag is provided, unmarshal the default value and set it.
+	newSlice := reflect.New(reflect.SliceOf(val.Type().Elem())).Interface()
+	if err := json.Unmarshal([]byte(tag), newSlice); err == nil {
+		sliceValue := reflect.ValueOf(newSlice).Elem()
+		for j := 0; j < sliceValue.Len(); j++ {
+			v := sliceValue.Index(j)
+			setDefault(v, "")
+			if val.Kind() == reflect.Array {
+				if j >= val.Len() {
+					return
+				}
+				val.Index(j).Set(v)
+			} else {
+				val.Set(reflect.Append(val, v))
+			}
+		}
+	}
+}
+
+// handleMap sets default values for map types.
+func handleMap(val reflect.Value, tag string) {
+
+	if val.Kind() != reflect.Map {
+		return
+	}
+
+	if !val.IsZero() || len(tag) == 0 {
+		for _, key := range val.MapKeys() {
+			setDefault(val.MapIndex(key), "")
+		}
+		return
+	}
+
+	if !val.CanSet() {
+		return
+	}
+
+	// If tag is provided, unmarshal the default value and set it.
+	newMap := reflect.New(val.Type()).Interface()
+	if err := json.Unmarshal([]byte(tag), newMap); err == nil {
+		newMapVal := reflect.ValueOf(newMap).Elem()
+		for _, k := range newMapVal.MapKeys() {
+			v := newMapVal.MapIndex(k)
+			setDefault(v, "")
+		}
+		val.Set(newMapVal)
+	}
+}
+
+// handlePtr handles pointer types and sets default values based on their tags.
+func handlePtr(val reflect.Value, tag string) {
+
+	if val.Kind() != reflect.Ptr {
+		return
+	}
+
+	if !val.IsZero() || len(tag) == 0 || !val.CanSet() {
+		return
+	}
+
+	// If tag is provided, unmarshal the default value and set it.
+	newPtr := reflect.New(val.Type()).Interface()
+	if err := json.Unmarshal([]byte(tag), newPtr); err == nil {
+		newPtrVal := reflect.ValueOf(newPtr).Elem()
+		setDefault(newPtrVal, "")
+		val.Set(newPtrVal)
+	}
+}
+
+// handleInterface processes interface types and sets default values based on their tags.
+// support pointer interface only, bcs the default values are SET on the struct fields.
+func handleInterface(val reflect.Value, tag string) {
+
+	if val.Kind() != reflect.Interface {
+		return
+	}
+
+	if val.IsNil() {
+		return
+	}
+
+	if val.Elem().Kind() != reflect.Ptr {
+		return
+	}
+
+	// Recursively set the default for the inner value of the interface.
+	setDefault(reflect.ValueOf(val.Elem().Interface()).Elem(), tag)
+}
diff --git a/pkg/dllver/version.go b/pkg/dllver/version.go
new file mode 100644
index 0000000..c28cf57
--- /dev/null
+++ b/pkg/dllver/version.go
@@ -0,0 +1,25 @@
+package dllver
+
+type Info struct {
+	FilePath         string `json:"file_path"`
+	CompanyName      string `json:"company_name"`
+	FileDescription  string `json:"file_description"`
+	FileVersion      string `json:"file_version"`
+	FileMajorVersion int    `json:"file_major_version"`
+	LegalCopyright   string `json:"legal_copyright"`
+	ProductName      string `json:"product_name"`
+	ProductVersion   string `json:"product_version"`
+}
+
+func New(filePath string) (*Info, error) {
+	i := &Info{
+		FilePath: filePath,
+	}
+
+	err := i.initialize()
+	if err != nil {
+		return nil, err
+	}
+
+	return i, nil
+}
diff --git a/pkg/dllver/version_others.go b/pkg/dllver/version_others.go
new file mode 100644
index 0000000..86f69f8
--- /dev/null
+++ b/pkg/dllver/version_others.go
@@ -0,0 +1,7 @@
+//go:build !windows
+
+package dllver
+
+func (i *Info) initialize() error {
+	return nil
+}
diff --git a/pkg/dllver/version_windows.go b/pkg/dllver/version_windows.go
new file mode 100644
index 0000000..8bcbc62
--- /dev/null
+++ b/pkg/dllver/version_windows.go
@@ -0,0 +1,142 @@
+package dllver
+
+import (
+	"fmt"
+	"syscall"
+	"unsafe"
+)
+
+var (
+	modversion                 = syscall.NewLazyDLL("version.dll")
+	procGetFileVersionInfoSize = modversion.NewProc("GetFileVersionInfoSizeW")
+	procGetFileVersionInfo     = modversion.NewProc("GetFileVersionInfoW")
+	procVerQueryValue          = modversion.NewProc("VerQueryValueW")
+)
+
+// VS_FIXEDFILEINFO 结构体
+type VS_FIXEDFILEINFO struct {
+	Signature        uint32
+	StrucVersion     uint32
+	FileVersionMS    uint32
+	FileVersionLS    uint32
+	ProductVersionMS uint32
+	ProductVersionLS uint32
+	FileFlagsMask    uint32
+	FileFlags        uint32
+	FileOS           uint32
+	FileType         uint32
+	FileSubtype      uint32
+	FileDateMS       uint32
+	FileDateLS       uint32
+}
+
+// initialize 初始化版本信息
+func (i *Info) initialize() error {
+	// 转换路径为 UTF16
+	pathPtr, err := syscall.UTF16PtrFromString(i.FilePath)
+	if err != nil {
+		return err
+	}
+
+	// 获取版本信息大小
+	var handle uintptr
+	size, _, err := procGetFileVersionInfoSize.Call(
+		uintptr(unsafe.Pointer(pathPtr)),
+		uintptr(unsafe.Pointer(&handle)),
+	)
+	if size == 0 {
+		return fmt.Errorf("GetFileVersionInfoSize failed: %v", err)
+	}
+
+	// 分配内存
+	verInfo := make([]byte, size)
+	ret, _, err := procGetFileVersionInfo.Call(
+		uintptr(unsafe.Pointer(pathPtr)),
+		0,
+		size,
+		uintptr(unsafe.Pointer(&verInfo[0])),
+	)
+	if ret == 0 {
+		return fmt.Errorf("GetFileVersionInfo failed: %v", err)
+	}
+
+	// 获取固定的文件信息
+	var fixedFileInfo *VS_FIXEDFILEINFO
+	var uLen uint32
+	rootPtr, _ := syscall.UTF16PtrFromString("\\")
+	ret, _, err = procVerQueryValue.Call(
+		uintptr(unsafe.Pointer(&verInfo[0])),
+		uintptr(unsafe.Pointer(rootPtr)),
+		uintptr(unsafe.Pointer(&fixedFileInfo)),
+		uintptr(unsafe.Pointer(&uLen)),
+	)
+	if ret == 0 {
+		return fmt.Errorf("VerQueryValue failed: %v", err)
+	}
+
+	// 解析文件版本
+	i.FileVersion = fmt.Sprintf("%d.%d.%d.%d",
+		(fixedFileInfo.FileVersionMS>>16)&0xffff,
+		(fixedFileInfo.FileVersionMS>>0)&0xffff,
+		(fixedFileInfo.FileVersionLS>>16)&0xffff,
+		(fixedFileInfo.FileVersionLS>>0)&0xffff,
+	)
+	i.FileMajorVersion = int((fixedFileInfo.FileVersionMS >> 16) & 0xffff)
+
+	i.ProductVersion = fmt.Sprintf("%d.%d.%d.%d",
+		(fixedFileInfo.ProductVersionMS>>16)&0xffff,
+		(fixedFileInfo.ProductVersionMS>>0)&0xffff,
+		(fixedFileInfo.ProductVersionLS>>16)&0xffff,
+		(fixedFileInfo.ProductVersionLS>>0)&0xffff,
+	)
+
+	// 获取翻译信息
+	type langAndCodePage struct {
+		language uint16
+		codePage uint16
+	}
+
+	var lpTranslate *langAndCodePage
+	var cbTranslate uint32
+	transPtr, _ := syscall.UTF16PtrFromString("\\VarFileInfo\\Translation")
+	ret, _, _ = procVerQueryValue.Call(
+		uintptr(unsafe.Pointer(&verInfo[0])),
+		uintptr(unsafe.Pointer(transPtr)),
+		uintptr(unsafe.Pointer(&lpTranslate)),
+		uintptr(unsafe.Pointer(&cbTranslate)),
+	)
+
+	if ret != 0 && cbTranslate > 0 {
+		// 获取所有需要的字符串信息
+		stringInfos := map[string]*string{
+			"CompanyName":     &i.CompanyName,
+			"FileDescription": &i.FileDescription,
+			"FileVersion":     &i.FileVersion,
+			"LegalCopyright":  &i.LegalCopyright,
+			"ProductName":     &i.ProductName,
+			"ProductVersion":  &i.ProductVersion,
+		}
+
+		for name, ptr := range stringInfos {
+			subBlock := fmt.Sprintf("\\StringFileInfo\\%04x%04x\\%s",
+				lpTranslate.language, lpTranslate.codePage, name)
+
+			subBlockPtr, _ := syscall.UTF16PtrFromString(subBlock)
+			var buffer *uint16
+			var bufLen uint32
+
+			ret, _, _ = procVerQueryValue.Call(
+				uintptr(unsafe.Pointer(&verInfo[0])),
+				uintptr(unsafe.Pointer(subBlockPtr)),
+				uintptr(unsafe.Pointer(&buffer)),
+				uintptr(unsafe.Pointer(&bufLen)),
+			)
+
+			if ret != 0 && bufLen > 0 {
+				*ptr = syscall.UTF16ToString((*[1 << 20]uint16)(unsafe.Pointer(buffer))[:bufLen:bufLen])
+			}
+		}
+	}
+
+	return nil
+}
diff --git a/pkg/model/chatroom.go b/pkg/model/chatroom.go
new file mode 100644
index 0000000..d76bbc7
--- /dev/null
+++ b/pkg/model/chatroom.go
@@ -0,0 +1,142 @@
+package model
+
+import (
+	"github.com/sjzar/chatlog/pkg/model/wxproto"
+
+	"google.golang.org/protobuf/proto"
+)
+
+type ChatRoom struct {
+	Name  string         `json:"name"`
+	Owner string         `json:"owner"`
+	Users []ChatRoomUser `json:"users"`
+
+	// Extra From Contact
+	Remark   string `json:"remark"`
+	NickName string `json:"nickName"`
+
+	User2DisplayName map[string]string `json:"-"`
+}
+
+type ChatRoomUser struct {
+	UserName    string `json:"userName"`
+	DisplayName string `json:"displayName"`
+}
+
+// CREATE TABLE ChatRoom(
+// ChatRoomName TEXT PRIMARY KEY,
+// UserNameList TEXT,
+// DisplayNameList TEXT,
+// ChatRoomFlag int Default 0,
+// Owner INTEGER DEFAULT 0,
+// IsShowName INTEGER DEFAULT 0,
+// SelfDisplayName TEXT,
+// Reserved1 INTEGER DEFAULT 0,
+// Reserved2 TEXT,
+// Reserved3 INTEGER DEFAULT 0,
+// Reserved4 TEXT,
+// Reserved5 INTEGER DEFAULT 0,
+// Reserved6 TEXT,
+// RoomData BLOB,
+// Reserved7 INTEGER DEFAULT 0,
+// Reserved8 TEXT
+// )
+type ChatRoomV3 struct {
+	ChatRoomName string `json:"ChatRoomName"`
+	Reserved2    string `json:"Reserved2"` // Creator
+	RoomData     []byte `json:"RoomData"`
+
+	// // 非关键信息，暂时忽略
+	// UserNameList    string `json:"UserNameList"`
+	// DisplayNameList string `json:"DisplayNameList"`
+	// ChatRoomFlag    int    `json:"ChatRoomFlag"`
+	// Owner           int    `json:"Owner"`
+	// IsShowName      int    `json:"IsShowName"`
+	// SelfDisplayName string `json:"SelfDisplayName"`
+	// Reserved1       int    `json:"Reserved1"`
+	// Reserved3       int    `json:"Reserved3"`
+	// Reserved4       string `json:"Reserved4"`
+	// Reserved5       int    `json:"Reserved5"`
+	// Reserved6       string `json:"Reserved6"`
+	// Reserved7       int    `json:"Reserved7"`
+	// Reserved8       string `json:"Reserved8"`
+}
+
+func (c *ChatRoomV3) Wrap() *ChatRoom {
+
+	var users []ChatRoomUser
+	if len(c.RoomData) != 0 {
+		users = ParseRoomData(c.RoomData)
+	}
+
+	user2DisplayName := make(map[string]string, len(users))
+	for _, user := range users {
+		if user.DisplayName != "" {
+			user2DisplayName[user.UserName] = user.DisplayName
+		}
+	}
+
+	return &ChatRoom{
+		Name:             c.ChatRoomName,
+		Owner:            c.Reserved2,
+		Users:            users,
+		User2DisplayName: user2DisplayName,
+	}
+}
+
+// CREATE TABLE chat_room(
+// id INTEGER PRIMARY KEY,
+// username TEXT,
+// owner TEXT,
+// ext_buffer BLOB
+// )
+type ChatRoomV4 struct {
+	ID        int    `json:"id"`
+	UserName  string `json:"username"`
+	Owner     string `json:"owner"`
+	ExtBuffer []byte `json:"ext_buffer"`
+}
+
+func (c *ChatRoomV4) Wrap() *ChatRoom {
+
+	var users []ChatRoomUser
+	if len(c.ExtBuffer) != 0 {
+		users = ParseRoomData(c.ExtBuffer)
+	}
+
+	return &ChatRoom{
+		Name:  c.UserName,
+		Owner: c.Owner,
+		Users: users,
+	}
+}
+
+func ParseRoomData(b []byte) (users []ChatRoomUser) {
+	var pbMsg wxproto.RoomData
+	if err := proto.Unmarshal(b, &pbMsg); err != nil {
+		return
+	}
+	if pbMsg.Users == nil {
+		return
+	}
+
+	users = make([]ChatRoomUser, 0, len(pbMsg.Users))
+	for _, user := range pbMsg.Users {
+		u := ChatRoomUser{UserName: user.UserName}
+		if user.DisplayName != nil {
+			u.DisplayName = *user.DisplayName
+		}
+		users = append(users, u)
+	}
+	return users
+}
+
+func (c *ChatRoom) DisplayName() string {
+	switch {
+	case c.Remark != "":
+		return c.Remark
+	case c.NickName != "":
+		return c.NickName
+	}
+	return ""
+}
diff --git a/pkg/model/contact.go b/pkg/model/contact.go
new file mode 100644
index 0000000..638e80a
--- /dev/null
+++ b/pkg/model/contact.go
@@ -0,0 +1,158 @@
+package model
+
+type Contact struct {
+	UserName string `json:"userName"`
+	Alias    string `json:"alias"`
+	Remark   string `json:"remark"`
+	NickName string `json:"nickName"`
+	IsFriend bool   `json:"isFriend"`
+}
+
+// CREATE TABLE Contact(
+// UserName TEXT PRIMARY KEY ,
+// Alias TEXT,
+// EncryptUserName TEXT,
+// DelFlag INTEGER DEFAULT 0,
+// Type INTEGER DEFAULT 0,
+// VerifyFlag INTEGER DEFAULT 0,
+// Reserved1 INTEGER DEFAULT 0,
+// Reserved2 INTEGER DEFAULT 0,
+// Reserved3 TEXT,
+// Reserved4 TEXT,
+// Remark TEXT,
+// NickName TEXT,
+// LabelIDList TEXT,
+// DomainList TEXT,
+// ChatRoomType int,
+// PYInitial TEXT,
+// QuanPin TEXT,
+// RemarkPYInitial TEXT,
+// RemarkQuanPin TEXT,
+// BigHeadImgUrl TEXT,
+// SmallHeadImgUrl TEXT,
+// HeadImgMd5 TEXT,
+// ChatRoomNotify INTEGER DEFAULT 0,
+// Reserved5 INTEGER DEFAULT 0,
+// Reserved6 TEXT,
+// Reserved7 TEXT,
+// ExtraBuf BLOB,
+// Reserved8 INTEGER DEFAULT 0,
+// Reserved9 INTEGER DEFAULT 0,
+// Reserved10 TEXT,
+// Reserved11 TEXT
+// )
+type ContactV3 struct {
+	UserName  string `json:"UserName"`
+	Alias     string `json:"Alias"`
+	Remark    string `json:"Remark"`
+	NickName  string `json:"NickName"`
+	Reserved1 int    `json:"Reserved1"` // 1 自己好友或自己加入的群聊; 0 群聊成员(非好友)
+
+	// EncryptUserName string `json:"EncryptUserName"`
+	// DelFlag         int    `json:"DelFlag"`
+	// Type            int    `json:"Type"`
+	// VerifyFlag      int    `json:"VerifyFlag"`
+	// Reserved2       int    `json:"Reserved2"`
+	// Reserved3       string `json:"Reserved3"`
+	// Reserved4       string `json:"Reserved4"`
+	// LabelIDList     string `json:"LabelIDList"`
+	// DomainList      string `json:"DomainList"`
+	// ChatRoomType    int    `json:"ChatRoomType"`
+	// PYInitial       string `json:"PYInitial"`
+	// QuanPin         string `json:"QuanPin"`
+	// RemarkPYInitial string `json:"RemarkPYInitial"`
+	// RemarkQuanPin   string `json:"RemarkQuanPin"`
+	// BigHeadImgUrl   string `json:"BigHeadImgUrl"`
+	// SmallHeadImgUrl string `json:"SmallHeadImgUrl"`
+	// HeadImgMd5      string `json:"HeadImgMd5"`
+	// ChatRoomNotify  int    `json:"ChatRoomNotify"`
+	// Reserved5       int    `json:"Reserved5"`
+	// Reserved6       string `json:"Reserved6"`
+	// Reserved7       string `json:"Reserved7"`
+	// ExtraBuf        []byte `json:"ExtraBuf"`
+	// Reserved8       int    `json:"Reserved8"`
+	// Reserved9       int    `json:"Reserved9"`
+	// Reserved10      string `json:"Reserved10"`
+	// Reserved11      string `json:"Reserved11"`
+}
+
+func (c *ContactV3) Wrap() *Contact {
+	return &Contact{
+		UserName: c.UserName,
+		Alias:    c.Alias,
+		Remark:   c.Remark,
+		NickName: c.NickName,
+		IsFriend: c.Reserved1 == 1,
+	}
+}
+
+// CREATE TABLE contact(
+// id INTEGER PRIMARY KEY,
+// username TEXT,
+// local_type INTEGER,
+// alias TEXT,
+// encrypt_username TEXT,
+// flag INTEGER,
+// delete_flag INTEGER,
+// verify_flag INTEGER,
+// remark TEXT,
+// remark_quan_pin TEXT,
+// remark_pin_yin_initial TEXT,
+// nick_name TEXT,
+// pin_yin_initial TEXT,
+// quan_pin TEXT,
+// big_head_url TEXT,
+// small_head_url TEXT,
+// head_img_md5 TEXT,
+// chat_room_notify INTEGER,
+// is_in_chat_room INTEGER,
+// description TEXT,
+// extra_buffer BLOB,
+// chat_room_type INTEGER
+// )
+type ContactV4 struct {
+	UserName  string `json:"username"`
+	Alias     string `json:"alias"`
+	Remark    string `json:"remark"`
+	NickName  string `json:"nick_name"`
+	LocalType int    `json:"local_type"` // 2 群聊; 3 群聊成员(非好友); 5,6 企业微信;
+
+	// ID                  int    `json:"id"`
+
+	// EncryptUserName     string `json:"encrypt_username"`
+	// Flag                int    `json:"flag"`
+	// DeleteFlag          int    `json:"delete_flag"`
+	// VerifyFlag          int    `json:"verify_flag"`
+	// RemarkQuanPin       string `json:"remark_quan_pin"`
+	// RemarkPinYinInitial string `json:"remark_pin_yin_initial"`
+	// PinYinInitial       string `json:"pin_yin_initial"`
+	// QuanPin             string `json:"quan_pin"`
+	// BigHeadUrl          string `json:"big_head_url"`
+	// SmallHeadUrl        string `json:"small_head_url"`
+	// HeadImgMd5          string `json:"head_img_md5"`
+	// ChatRoomNotify      int    `json:"chat_room_notify"`
+	// IsInChatRoom        int    `json:"is_in_chat_room"`
+	// Description         string `json:"description"`
+	// ExtraBuffer         []byte `json:"extra_buffer"`
+	// ChatRoomType        int    `json:"chat_room_type"`
+}
+
+func (c *ContactV4) Wrap() *Contact {
+	return &Contact{
+		UserName: c.UserName,
+		Alias:    c.Alias,
+		Remark:   c.Remark,
+		NickName: c.NickName,
+		IsFriend: c.LocalType != 3,
+	}
+}
+
+func (c *Contact) DisplayName() string {
+	switch {
+	case c.Remark != "":
+		return c.Remark
+	case c.NickName != "":
+		return c.NickName
+	}
+	return ""
+}
diff --git a/pkg/model/message.go b/pkg/model/message.go
new file mode 100644
index 0000000..2de6662
--- /dev/null
+++ b/pkg/model/message.go
@@ -0,0 +1,301 @@
+package model
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/sjzar/chatlog/pkg/model/wxproto"
+	"github.com/sjzar/chatlog/pkg/util"
+
+	"google.golang.org/protobuf/proto"
+)
+
+const (
+	// Source
+	WeChatV3 = "wechatv3"
+	WeChatV4 = "wechatv4"
+)
+
+type Message struct {
+	Sequence        int64     `json:"sequence"`        // 消息序号，10位时间戳 + 3位序号
+	CreateTime      time.Time `json:"createTime"`      // 消息创建时间，10位时间戳
+	TalkerID        int       `json:"talkerID"`        // 聊天对象，Name2ID 表序号，索引值
+	Talker          string    `json:"talker"`          // 聊天对象，微信 ID or 群 ID
+	IsSender        int       `json:"isSender"`        // 是否为发送消息，0 接收消息，1 发送消息
+	Type            int       `json:"type"`            // 消息类型
+	SubType         int       `json:"subType"`         // 消息子类型
+	Content         string    `json:"content"`         // 消息内容，文字聊天内容 或 XML
+	CompressContent []byte    `json:"compressContent"` // 非文字聊天内容，如图片、语音、视频等
+	IsChatRoom      bool      `json:"isChatRoom"`      // 是否为群聊消息
+	ChatRoomSender  string    `json:"chatRoomSender"`  // 群聊消息发送人
+
+	// Fill Info
+	// 从联系人等信息中填充
+	DisplayName  string `json:"-"` // 显示名称
+	CharRoomName string `json:"-"` // 群聊名称
+
+	Version string `json:"-"` // 消息版本，内部判断
+}
+
+// CREATE TABLE MSG (
+// localId INTEGER PRIMARY KEY AUTOINCREMENT,
+// TalkerId INT DEFAULT 0,
+// MsgSvrID INT,
+// Type INT,
+// SubType INT,
+// IsSender INT,
+// CreateTime INT,
+// Sequence INT DEFAULT 0,
+// StatusEx INT DEFAULT 0,
+// FlagEx INT,
+// Status INT,
+// MsgServerSeq INT,
+// MsgSequence INT,
+// StrTalker TEXT,
+// StrContent TEXT,
+// DisplayContent TEXT,
+// Reserved0 INT DEFAULT 0,
+// Reserved1 INT DEFAULT 0,
+// Reserved2 INT DEFAULT 0,
+// Reserved3 INT DEFAULT 0,
+// Reserved4 TEXT,
+// Reserved5 TEXT,
+// Reserved6 TEXT,
+// CompressContent BLOB,
+// BytesExtra BLOB,
+// BytesTrans BLOB
+// )
+type MessageV3 struct {
+	Sequence        int64  `json:"Sequence"`        // 消息序号，10位时间戳 + 3位序号
+	CreateTime      int64  `json:"CreateTime"`      // 消息创建时间，10位时间戳
+	TalkerID        int    `json:"TalkerId"`        // 聊天对象，Name2ID 表序号，索引值
+	StrTalker       string `json:"StrTalker"`       // 聊天对象，微信 ID or 群 ID
+	IsSender        int    `json:"IsSender"`        // 是否为发送消息，0 接收消息，1 发送消息
+	Type            int    `json:"Type"`            // 消息类型
+	SubType         int    `json:"SubType"`         // 消息子类型
+	StrContent      string `json:"StrContent"`      // 消息内容，文字聊天内容 或 XML
+	CompressContent []byte `json:"CompressContent"` // 非文字聊天内容，如图片、语音、视频等
+	BytesExtra      []byte `json:"BytesExtra"`      // protobuf 额外数据，记录群聊发送人等信息
+
+	// 非关键信息，后续有需要再加入
+	// LocalID        int64  `json:"localId"`
+	// MsgSvrID       int64  `json:"MsgSvrID"`
+	// StatusEx       int    `json:"StatusEx"`
+	// FlagEx         int    `json:"FlagEx"`
+	// Status         int    `json:"Status"`
+	// MsgServerSeq   int64  `json:"MsgServerSeq"`
+	// MsgSequence    int64  `json:"MsgSequence"`
+	// DisplayContent string `json:"DisplayContent"`
+	// Reserved0      int    `json:"Reserved0"`
+	// Reserved1      int    `json:"Reserved1"`
+	// Reserved2      int    `json:"Reserved2"`
+	// Reserved3      int    `json:"Reserved3"`
+	// Reserved4      string `json:"Reserved4"`
+	// Reserved5      string `json:"Reserved5"`
+	// Reserved6      string `json:"Reserved6"`
+	// BytesTrans     []byte `json:"BytesTrans"`
+}
+
+func (m *MessageV3) Wrap() *Message {
+
+	isChatRoom := strings.HasSuffix(m.StrTalker, "@chatroom")
+
+	var chatRoomSender string
+	if len(m.BytesExtra) != 0 && isChatRoom {
+		chatRoomSender = ParseBytesExtra(m.BytesExtra)
+	}
+
+	return &Message{
+		Sequence:        m.Sequence,
+		CreateTime:      time.Unix(m.CreateTime, 0),
+		TalkerID:        m.TalkerID,
+		Talker:          m.StrTalker,
+		IsSender:        m.IsSender,
+		Type:            m.Type,
+		SubType:         m.SubType,
+		Content:         m.StrContent,
+		CompressContent: m.CompressContent,
+		IsChatRoom:      isChatRoom,
+		ChatRoomSender:  chatRoomSender,
+		Version:         WeChatV3,
+	}
+}
+
+// CREATE TABLE Msg_xxxxxxxxxxxx(
+// local_id INTEGER PRIMARY KEY AUTOINCREMENT,
+// server_id INTEGER,
+// local_type INTEGER,
+// sort_seq INTEGER,
+// real_sender_id INTEGER,
+// create_time INTEGER,
+// status INTEGER,
+// upload_status INTEGER,
+// download_status INTEGER,
+// server_seq INTEGER,
+// origin_source INTEGER,
+// source TEXT,
+// message_content TEXT,
+// compress_content TEXT,
+// packed_info_data BLOB,
+// WCDB_CT_message_content INTEGER DEFAULT NULL,
+// WCDB_CT_source INTEGER DEFAULT NULL
+// )
+type MessageV4 struct {
+	SortSeq        int64  `json:"sort_seq"`         // 消息序号，10位时间戳 + 3位序号
+	LocalType      int    `json:"local_type"`       // 消息类型
+	RealSenderID   int    `json:"real_sender_id"`   // 发送人 ID，对应 Name2Id 表序号
+	CreateTime     int64  `json:"create_time"`      // 消息创建时间，10位时间戳
+	MessageContent []byte `json:"message_content"`  // 消息内容，文字聊天内容 或 zstd 压缩内容
+	PackedInfoData []byte `json:"packed_info_data"` // 额外数据，类似 proto，格式与 v3 有差异
+	Status         int    `json:"status"`           // 消息状态，2 是已发送，4 是已接收，可以用于判断 IsSender（猜测）
+
+	// 非关键信息，后续有需要再加入
+	// LocalID         int    `json:"local_id"`
+	// ServerID        int64  `json:"server_id"`
+
+	// UploadStatus    int    `json:"upload_status"`
+	// DownloadStatus  int    `json:"download_status"`
+	// ServerSeq       int    `json:"server_seq"`
+	// OriginSource    int    `json:"origin_source"`
+	// Source          string `json:"source"`
+	// CompressContent string `json:"compress_content"`
+}
+
+func (m *MessageV4) Wrap(id2Name map[int]string, isChatRoom bool) *Message {
+
+	_m := &Message{
+		Sequence:        m.SortSeq,
+		CreateTime:      time.Unix(m.CreateTime, 0),
+		TalkerID:        m.RealSenderID, // 依赖 Name2Id 表进行转换为 StrTalker
+		CompressContent: m.PackedInfoData,
+		Type:            m.LocalType,
+		Version:         WeChatV4,
+	}
+
+	if name, ok := id2Name[m.RealSenderID]; ok {
+		_m.Talker = name
+	}
+
+	if m.Status == 2 {
+		_m.IsSender = 1
+	}
+
+	if util.IsNormalString(m.MessageContent) {
+		_m.Content = string(m.MessageContent)
+	} else {
+		_m.CompressContent = m.MessageContent
+	}
+
+	if isChatRoom {
+		_m.IsChatRoom = true
+		split := strings.Split(_m.Content, "\n")
+		if len(split) > 1 {
+			_m.Content = split[1]
+			_m.ChatRoomSender = strings.TrimSuffix(split[0], ":")
+		}
+	}
+
+	return _m
+}
+
+// ParseBytesExtra 解析额外数据
+// 按需解析
+func ParseBytesExtra(b []byte) (chatRoomSender string) {
+	var pbMsg wxproto.BytesExtra
+	if err := proto.Unmarshal(b, &pbMsg); err != nil {
+		return
+	}
+	if pbMsg.Items == nil {
+		return
+	}
+
+	for _, item := range pbMsg.Items {
+		if item.Type == 1 {
+			return item.Value
+		}
+	}
+
+	return
+}
+
+func (m *Message) PlainText(showChatRoom bool) string {
+	buf := strings.Builder{}
+
+	talker := m.Talker
+	if m.IsSender == 1 {
+		talker = "我"
+	} else if m.IsChatRoom {
+		talker = m.ChatRoomSender
+	}
+	if m.DisplayName != "" {
+		buf.WriteString(m.DisplayName)
+		buf.WriteString("(")
+		buf.WriteString(talker)
+		buf.WriteString(")")
+	} else {
+		buf.WriteString(talker)
+	}
+	buf.WriteString(" ")
+
+	if m.IsChatRoom && showChatRoom {
+		buf.WriteString("[")
+		if m.CharRoomName != "" {
+			buf.WriteString(m.CharRoomName)
+			buf.WriteString("(")
+			buf.WriteString(m.Talker)
+			buf.WriteString(")")
+		} else {
+			buf.WriteString(m.Talker)
+		}
+		buf.WriteString("] ")
+	}
+
+	buf.WriteString(m.CreateTime.Format("2006-01-02 15:04:05"))
+	buf.WriteString("\n")
+
+	switch m.Type {
+	case 1:
+		buf.WriteString(m.Content)
+	case 3:
+		buf.WriteString("[图片]")
+	case 34:
+		buf.WriteString("[语音]")
+	case 43:
+		buf.WriteString("[视频]")
+	case 47:
+		buf.WriteString("[动画表情]")
+	case 49:
+		switch m.SubType {
+		case 6:
+			buf.WriteString("[文件]")
+		case 8:
+			buf.WriteString("[GIF表情]")
+		case 19:
+			buf.WriteString("[合并转发]")
+		case 33, 36:
+			buf.WriteString("[小程序]")
+		case 57:
+			buf.WriteString("[引用]")
+		case 63:
+			buf.WriteString("[视频号]")
+		case 87:
+			buf.WriteString("[群公告]")
+		case 2000:
+			buf.WriteString("[转账]")
+		case 2003:
+			buf.WriteString("[红包封面]")
+		default:
+			buf.WriteString("[分享]")
+		}
+	case 50:
+		buf.WriteString("[语音通话]")
+	case 10000:
+		buf.WriteString("[系统消息]")
+	default:
+		buf.WriteString(fmt.Sprintf("Type: %d Content: %s", m.Type, m.Content))
+	}
+	buf.WriteString("\n")
+
+	return buf.String()
+}
diff --git a/pkg/model/session.go b/pkg/model/session.go
new file mode 100644
index 0000000..97c1f55
--- /dev/null
+++ b/pkg/model/session.go
@@ -0,0 +1,133 @@
+package model
+
+import (
+	"strings"
+	"time"
+)
+
+type Session struct {
+	UserName string    `json:"userName"`
+	NOrder   int       `json:"nOrder"`
+	NickName string    `json:"nickName"`
+	Content  string    `json:"content"`
+	NTime    time.Time `json:"nTime"`
+}
+
+// CREATE TABLE Session(
+// strUsrName TEXT  PRIMARY KEY,
+// nOrder INT DEFAULT 0,
+// nUnReadCount INTEGER DEFAULT 0,
+// parentRef TEXT,
+// Reserved0 INTEGER DEFAULT 0,
+// Reserved1 TEXT,
+// strNickName TEXT,
+// nStatus INTEGER,
+// nIsSend INTEGER,
+// strContent TEXT,
+// nMsgType	INTEGER,
+// nMsgLocalID INTEGER,
+// nMsgStatus INTEGER,
+// nTime INTEGER,
+// editContent TEXT,
+// othersAtMe INT,
+// Reserved2 INTEGER DEFAULT 0,
+// Reserved3 TEXT,
+// Reserved4 INTEGER DEFAULT 0,
+// Reserved5 TEXT,
+// bytesXml BLOB
+// )
+type SessionV3 struct {
+	StrUsrName  string `json:"strUsrName"`
+	NOrder      int    `json:"nOrder"`
+	StrNickName string `json:"strNickName"`
+	StrContent  string `json:"strContent"`
+	NTime       int64  `json:"nTime"`
+
+	// NUnReadCount int    `json:"nUnReadCount"`
+	// ParentRef    string `json:"parentRef"`
+	// Reserved0    int    `json:"Reserved0"`
+	// Reserved1    string `json:"Reserved1"`
+	// NStatus      int    `json:"nStatus"`
+	// NIsSend      int    `json:"nIsSend"`
+	// NMsgType     int    `json:"nMsgType"`
+	// NMsgLocalID  int    `json:"nMsgLocalID"`
+	// NMsgStatus   int    `json:"nMsgStatus"`
+	// EditContent  string `json:"editContent"`
+	// OthersAtMe   int    `json:"othersAtMe"`
+	// Reserved2    int    `json:"Reserved2"`
+	// Reserved3    string `json:"Reserved3"`
+	// Reserved4    int    `json:"Reserved4"`
+	// Reserved5    string `json:"Reserved5"`
+	// BytesXml     string `json:"bytesXml"`
+}
+
+func (s *SessionV3) Wrap() *Session {
+	return &Session{
+		UserName: s.StrUsrName,
+		NOrder:   s.NOrder,
+		NickName: s.StrNickName,
+		Content:  s.StrContent,
+		NTime:    time.Unix(int64(s.NTime), 0),
+	}
+}
+
+// 注意，v4 session 是独立数据库文件
+// CREATE TABLE SessionTable(
+// username TEXT PRIMARY KEY,
+// type INTEGER,
+// unread_count INTEGER,
+// unread_first_msg_srv_id INTEGER,
+// is_hidden INTEGER,
+// summary TEXT,
+// draft TEXT,
+// status INTEGER,
+// last_timestamp INTEGER,
+// sort_timestamp INTEGER,
+// last_clear_unread_timestamp INTEGER,
+// last_msg_locald_id INTEGER,
+// last_msg_type INTEGER,
+// last_msg_sub_type INTEGER,
+// last_msg_sender TEXT,
+// last_sender_display_name TEXT,
+// last_msg_ext_type INTEGER
+// )
+type SessionV4 struct {
+	Username              string `json:"username"`
+	Summary               string `json:"summary"`
+	LastTimestamp         int    `json:"last_timestamp"`
+	LastMsgSender         string `json:"last_msg_sender"`
+	LastSenderDisplayName string `json:"last_sender_display_name"`
+
+	// Type                     int    `json:"type"`
+	// UnreadCount              int    `json:"unread_count"`
+	// UnreadFirstMsgSrvID      int    `json:"unread_first_msg_srv_id"`
+	// IsHidden                 int    `json:"is_hidden"`
+	// Draft                    string `json:"draft"`
+	// Status                   int    `json:"status"`
+	// SortTimestamp            int    `json:"sort_timestamp"`
+	// LastClearUnreadTimestamp int    `json:"last_clear_unread_timestamp"`
+	// LastMsgLocaldID          int    `json:"last_msg_locald_id"`
+	// LastMsgType              int    `json:"last_msg_type"`
+	// LastMsgSubType           int    `json:"last_msg_sub_type"`
+	// LastMsgExtType           int    `json:"last_msg_ext_type"`
+}
+
+func (s *Session) PlainText(limit int) string {
+	buf := strings.Builder{}
+	buf.WriteString(s.NickName)
+	buf.WriteString("(")
+	buf.WriteString(s.UserName)
+	buf.WriteString(") ")
+	buf.WriteString(s.NTime.Format("2006-01-02 15:04:05"))
+	buf.WriteString("\n")
+	if limit > 0 {
+		if len(s.Content) > limit {
+			buf.WriteString(s.Content[:limit])
+			buf.WriteString(" <...>")
+		} else {
+			buf.WriteString(s.Content)
+		}
+	}
+	buf.WriteString("\n")
+	return buf.String()
+}
diff --git a/pkg/model/wxproto/bytesextra.pb.go b/pkg/model/wxproto/bytesextra.pb.go
new file mode 100644
index 0000000..648c0ca
--- /dev/null
+++ b/pkg/model/wxproto/bytesextra.pb.go
@@ -0,0 +1,254 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.5
+// 	protoc        v5.29.3
+// source: bytesextra.proto
+
+package wxproto
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type BytesExtraHeader struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Field1        int32                  `protobuf:"varint,1,opt,name=field1,proto3" json:"field1,omitempty"`
+	Field2        int32                  `protobuf:"varint,2,opt,name=field2,proto3" json:"field2,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *BytesExtraHeader) Reset() {
+	*x = BytesExtraHeader{}
+	mi := &file_bytesextra_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *BytesExtraHeader) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BytesExtraHeader) ProtoMessage() {}
+
+func (x *BytesExtraHeader) ProtoReflect() protoreflect.Message {
+	mi := &file_bytesextra_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BytesExtraHeader.ProtoReflect.Descriptor instead.
+func (*BytesExtraHeader) Descriptor() ([]byte, []int) {
+	return file_bytesextra_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *BytesExtraHeader) GetField1() int32 {
+	if x != nil {
+		return x.Field1
+	}
+	return 0
+}
+
+func (x *BytesExtraHeader) GetField2() int32 {
+	if x != nil {
+		return x.Field2
+	}
+	return 0
+}
+
+type BytesExtraItem struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Type          int32                  `protobuf:"varint,1,opt,name=type,proto3" json:"type,omitempty"`
+	Value         string                 `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *BytesExtraItem) Reset() {
+	*x = BytesExtraItem{}
+	mi := &file_bytesextra_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *BytesExtraItem) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BytesExtraItem) ProtoMessage() {}
+
+func (x *BytesExtraItem) ProtoReflect() protoreflect.Message {
+	mi := &file_bytesextra_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BytesExtraItem.ProtoReflect.Descriptor instead.
+func (*BytesExtraItem) Descriptor() ([]byte, []int) {
+	return file_bytesextra_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *BytesExtraItem) GetType() int32 {
+	if x != nil {
+		return x.Type
+	}
+	return 0
+}
+
+func (x *BytesExtraItem) GetValue() string {
+	if x != nil {
+		return x.Value
+	}
+	return ""
+}
+
+type BytesExtra struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Header        *BytesExtraHeader      `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
+	Items         []*BytesExtraItem      `protobuf:"bytes,3,rep,name=items,proto3" json:"items,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *BytesExtra) Reset() {
+	*x = BytesExtra{}
+	mi := &file_bytesextra_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *BytesExtra) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BytesExtra) ProtoMessage() {}
+
+func (x *BytesExtra) ProtoReflect() protoreflect.Message {
+	mi := &file_bytesextra_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BytesExtra.ProtoReflect.Descriptor instead.
+func (*BytesExtra) Descriptor() ([]byte, []int) {
+	return file_bytesextra_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *BytesExtra) GetHeader() *BytesExtraHeader {
+	if x != nil {
+		return x.Header
+	}
+	return nil
+}
+
+func (x *BytesExtra) GetItems() []*BytesExtraItem {
+	if x != nil {
+		return x.Items
+	}
+	return nil
+}
+
+var File_bytesextra_proto protoreflect.FileDescriptor
+
+var file_bytesextra_proto_rawDesc = string([]byte{
+	0x0a, 0x10, 0x62, 0x79, 0x74, 0x65, 0x73, 0x65, 0x78, 0x74, 0x72, 0x61, 0x2e, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x12, 0x0c, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66,
+	0x22, 0x42, 0x0a, 0x10, 0x42, 0x79, 0x74, 0x65, 0x73, 0x45, 0x78, 0x74, 0x72, 0x61, 0x48, 0x65,
+	0x61, 0x64, 0x65, 0x72, 0x12, 0x16, 0x0a, 0x06, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x31, 0x18, 0x01,
+	0x20, 0x01, 0x28, 0x05, 0x52, 0x06, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x31, 0x12, 0x16, 0x0a, 0x06,
+	0x66, 0x69, 0x65, 0x6c, 0x64, 0x32, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x06, 0x66, 0x69,
+	0x65, 0x6c, 0x64, 0x32, 0x22, 0x3a, 0x0a, 0x0e, 0x42, 0x79, 0x74, 0x65, 0x73, 0x45, 0x78, 0x74,
+	0x72, 0x61, 0x49, 0x74, 0x65, 0x6d, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x01,
+	0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61,
+	0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65,
+	0x22, 0x78, 0x0a, 0x0a, 0x42, 0x79, 0x74, 0x65, 0x73, 0x45, 0x78, 0x74, 0x72, 0x61, 0x12, 0x36,
+	0x0a, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1e,
+	0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x42, 0x79,
+	0x74, 0x65, 0x73, 0x45, 0x78, 0x74, 0x72, 0x61, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x52, 0x06,
+	0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x32, 0x0a, 0x05, 0x69, 0x74, 0x65, 0x6d, 0x73, 0x18,
+	0x03, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1c, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x62, 0x75, 0x66, 0x2e, 0x42, 0x79, 0x74, 0x65, 0x73, 0x45, 0x78, 0x74, 0x72, 0x61, 0x49,
+	0x74, 0x65, 0x6d, 0x52, 0x05, 0x69, 0x74, 0x65, 0x6d, 0x73, 0x42, 0x0b, 0x5a, 0x09, 0x2e, 0x3b,
+	0x77, 0x78, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+})
+
+var (
+	file_bytesextra_proto_rawDescOnce sync.Once
+	file_bytesextra_proto_rawDescData []byte
+)
+
+func file_bytesextra_proto_rawDescGZIP() []byte {
+	file_bytesextra_proto_rawDescOnce.Do(func() {
+		file_bytesextra_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_bytesextra_proto_rawDesc), len(file_bytesextra_proto_rawDesc)))
+	})
+	return file_bytesextra_proto_rawDescData
+}
+
+var file_bytesextra_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_bytesextra_proto_goTypes = []any{
+	(*BytesExtraHeader)(nil), // 0: app.protobuf.BytesExtraHeader
+	(*BytesExtraItem)(nil),   // 1: app.protobuf.BytesExtraItem
+	(*BytesExtra)(nil),       // 2: app.protobuf.BytesExtra
+}
+var file_bytesextra_proto_depIdxs = []int32{
+	0, // 0: app.protobuf.BytesExtra.header:type_name -> app.protobuf.BytesExtraHeader
+	1, // 1: app.protobuf.BytesExtra.items:type_name -> app.protobuf.BytesExtraItem
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_bytesextra_proto_init() }
+func file_bytesextra_proto_init() {
+	if File_bytesextra_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_bytesextra_proto_rawDesc), len(file_bytesextra_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_bytesextra_proto_goTypes,
+		DependencyIndexes: file_bytesextra_proto_depIdxs,
+		MessageInfos:      file_bytesextra_proto_msgTypes,
+	}.Build()
+	File_bytesextra_proto = out.File
+	file_bytesextra_proto_goTypes = nil
+	file_bytesextra_proto_depIdxs = nil
+}
diff --git a/pkg/model/wxproto/bytesextra.proto b/pkg/model/wxproto/bytesextra.proto
new file mode 100644
index 0000000..1c7a50e
--- /dev/null
+++ b/pkg/model/wxproto/bytesextra.proto
@@ -0,0 +1,18 @@
+syntax = "proto3";
+package app.protobuf;
+option go_package=".;wxproto";
+
+message BytesExtraHeader {
+  int32 field1 = 1;
+  int32 field2 = 2;
+}
+
+message BytesExtraItem {
+  int32 type = 1;
+  string value = 2;
+}
+
+message BytesExtra {
+  BytesExtraHeader header = 1;
+  repeated BytesExtraItem items = 3;
+}
\ No newline at end of file
diff --git a/pkg/model/wxproto/roomdata.pb.go b/pkg/model/wxproto/roomdata.pb.go
new file mode 100644
index 0000000..70a9fb4
--- /dev/null
+++ b/pkg/model/wxproto/roomdata.pb.go
@@ -0,0 +1,222 @@
+// v3 & v4 通用，可能会有部分字段差异
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.5
+// 	protoc        v5.29.3
+// source: roomdata.proto
+
+package wxproto
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type RoomData struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Users         []*RoomDataUser        `protobuf:"bytes,1,rep,name=users,proto3" json:"users,omitempty"`
+	RoomCap       *int32                 `protobuf:"varint,5,opt,name=roomCap,proto3,oneof" json:"roomCap,omitempty"` // 只在第一份数据中出现，值为500
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *RoomData) Reset() {
+	*x = RoomData{}
+	mi := &file_roomdata_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RoomData) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RoomData) ProtoMessage() {}
+
+func (x *RoomData) ProtoReflect() protoreflect.Message {
+	mi := &file_roomdata_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RoomData.ProtoReflect.Descriptor instead.
+func (*RoomData) Descriptor() ([]byte, []int) {
+	return file_roomdata_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *RoomData) GetUsers() []*RoomDataUser {
+	if x != nil {
+		return x.Users
+	}
+	return nil
+}
+
+func (x *RoomData) GetRoomCap() int32 {
+	if x != nil && x.RoomCap != nil {
+		return *x.RoomCap
+	}
+	return 0
+}
+
+type RoomDataUser struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	UserName      string                 `protobuf:"bytes,1,opt,name=userName,proto3" json:"userName,omitempty"`             // 用户ID或名称
+	DisplayName   *string                `protobuf:"bytes,2,opt,name=displayName,proto3,oneof" json:"displayName,omitempty"` // 显示名称，可能是UTF-8编码的中文，部分记录可能为空
+	Status        int32                  `protobuf:"varint,3,opt,name=status,proto3" json:"status,omitempty"`                // 状态码，值范围0-9
+	Inviter       *string                `protobuf:"bytes,4,opt,name=inviter,proto3,oneof" json:"inviter,omitempty"`         // 邀请人
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *RoomDataUser) Reset() {
+	*x = RoomDataUser{}
+	mi := &file_roomdata_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RoomDataUser) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RoomDataUser) ProtoMessage() {}
+
+func (x *RoomDataUser) ProtoReflect() protoreflect.Message {
+	mi := &file_roomdata_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RoomDataUser.ProtoReflect.Descriptor instead.
+func (*RoomDataUser) Descriptor() ([]byte, []int) {
+	return file_roomdata_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *RoomDataUser) GetUserName() string {
+	if x != nil {
+		return x.UserName
+	}
+	return ""
+}
+
+func (x *RoomDataUser) GetDisplayName() string {
+	if x != nil && x.DisplayName != nil {
+		return *x.DisplayName
+	}
+	return ""
+}
+
+func (x *RoomDataUser) GetStatus() int32 {
+	if x != nil {
+		return x.Status
+	}
+	return 0
+}
+
+func (x *RoomDataUser) GetInviter() string {
+	if x != nil && x.Inviter != nil {
+		return *x.Inviter
+	}
+	return ""
+}
+
+var File_roomdata_proto protoreflect.FileDescriptor
+
+var file_roomdata_proto_rawDesc = string([]byte{
+	0x0a, 0x0e, 0x72, 0x6f, 0x6f, 0x6d, 0x64, 0x61, 0x74, 0x61, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x12, 0x0c, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x22, 0x67,
+	0x0a, 0x08, 0x52, 0x6f, 0x6f, 0x6d, 0x44, 0x61, 0x74, 0x61, 0x12, 0x30, 0x0a, 0x05, 0x75, 0x73,
+	0x65, 0x72, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x61, 0x70, 0x70, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x52, 0x6f, 0x6f, 0x6d, 0x44, 0x61, 0x74,
+	0x61, 0x55, 0x73, 0x65, 0x72, 0x52, 0x05, 0x75, 0x73, 0x65, 0x72, 0x73, 0x12, 0x1d, 0x0a, 0x07,
+	0x72, 0x6f, 0x6f, 0x6d, 0x43, 0x61, 0x70, 0x18, 0x05, 0x20, 0x01, 0x28, 0x05, 0x48, 0x00, 0x52,
+	0x07, 0x72, 0x6f, 0x6f, 0x6d, 0x43, 0x61, 0x70, 0x88, 0x01, 0x01, 0x42, 0x0a, 0x0a, 0x08, 0x5f,
+	0x72, 0x6f, 0x6f, 0x6d, 0x43, 0x61, 0x70, 0x22, 0xa4, 0x01, 0x0a, 0x0c, 0x52, 0x6f, 0x6f, 0x6d,
+	0x44, 0x61, 0x74, 0x61, 0x55, 0x73, 0x65, 0x72, 0x12, 0x1a, 0x0a, 0x08, 0x75, 0x73, 0x65, 0x72,
+	0x4e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x75, 0x73, 0x65, 0x72,
+	0x4e, 0x61, 0x6d, 0x65, 0x12, 0x25, 0x0a, 0x0b, 0x64, 0x69, 0x73, 0x70, 0x6c, 0x61, 0x79, 0x4e,
+	0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x48, 0x00, 0x52, 0x0b, 0x64, 0x69, 0x73,
+	0x70, 0x6c, 0x61, 0x79, 0x4e, 0x61, 0x6d, 0x65, 0x88, 0x01, 0x01, 0x12, 0x16, 0x0a, 0x06, 0x73,
+	0x74, 0x61, 0x74, 0x75, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28, 0x05, 0x52, 0x06, 0x73, 0x74, 0x61,
+	0x74, 0x75, 0x73, 0x12, 0x1d, 0x0a, 0x07, 0x69, 0x6e, 0x76, 0x69, 0x74, 0x65, 0x72, 0x18, 0x04,
+	0x20, 0x01, 0x28, 0x09, 0x48, 0x01, 0x52, 0x07, 0x69, 0x6e, 0x76, 0x69, 0x74, 0x65, 0x72, 0x88,
+	0x01, 0x01, 0x42, 0x0e, 0x0a, 0x0c, 0x5f, 0x64, 0x69, 0x73, 0x70, 0x6c, 0x61, 0x79, 0x4e, 0x61,
+	0x6d, 0x65, 0x42, 0x0a, 0x0a, 0x08, 0x5f, 0x69, 0x6e, 0x76, 0x69, 0x74, 0x65, 0x72, 0x42, 0x0b,
+	0x5a, 0x09, 0x2e, 0x3b, 0x77, 0x78, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
+})
+
+var (
+	file_roomdata_proto_rawDescOnce sync.Once
+	file_roomdata_proto_rawDescData []byte
+)
+
+func file_roomdata_proto_rawDescGZIP() []byte {
+	file_roomdata_proto_rawDescOnce.Do(func() {
+		file_roomdata_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_roomdata_proto_rawDesc), len(file_roomdata_proto_rawDesc)))
+	})
+	return file_roomdata_proto_rawDescData
+}
+
+var file_roomdata_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_roomdata_proto_goTypes = []any{
+	(*RoomData)(nil),     // 0: app.protobuf.RoomData
+	(*RoomDataUser)(nil), // 1: app.protobuf.RoomDataUser
+}
+var file_roomdata_proto_depIdxs = []int32{
+	1, // 0: app.protobuf.RoomData.users:type_name -> app.protobuf.RoomDataUser
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_roomdata_proto_init() }
+func file_roomdata_proto_init() {
+	if File_roomdata_proto != nil {
+		return
+	}
+	file_roomdata_proto_msgTypes[0].OneofWrappers = []any{}
+	file_roomdata_proto_msgTypes[1].OneofWrappers = []any{}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_roomdata_proto_rawDesc), len(file_roomdata_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_roomdata_proto_goTypes,
+		DependencyIndexes: file_roomdata_proto_depIdxs,
+		MessageInfos:      file_roomdata_proto_msgTypes,
+	}.Build()
+	File_roomdata_proto = out.File
+	file_roomdata_proto_goTypes = nil
+	file_roomdata_proto_depIdxs = nil
+}
diff --git a/pkg/model/wxproto/roomdata.proto b/pkg/model/wxproto/roomdata.proto
new file mode 100644
index 0000000..c7f1a97
--- /dev/null
+++ b/pkg/model/wxproto/roomdata.proto
@@ -0,0 +1,16 @@
+// v3 & v4 通用，可能会有部分字段差异
+syntax = "proto3";
+package app.protobuf;
+option go_package=".;wxproto";
+
+message RoomData {
+  repeated RoomDataUser users = 1;
+  optional int32 roomCap = 5;  // 只在第一份数据中出现，值为500
+}
+
+message RoomDataUser {
+  string userName = 1;  // 用户ID或名称
+  optional string displayName = 2;  // 显示名称，可能是UTF-8编码的中文，部分记录可能为空
+  int32 status = 3;  // 状态码，值范围0-9
+  optional string inviter = 4;  // 邀请人
+}
diff --git a/pkg/util/os.go b/pkg/util/os.go
new file mode 100644
index 0000000..ae4ec4c
--- /dev/null
+++ b/pkg/util/os.go
@@ -0,0 +1,135 @@
+package util
+
+import (
+	"fmt"
+	"io/fs"
+	"os"
+	"path/filepath"
+	"regexp"
+	"runtime"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// FindFilesWithPatterns 在指定目录下查找匹配多个正则表达式的文件
+// directory: 要搜索的目录路径
+// patterns: 正则表达式模式列表
+// recursive: 是否递归搜索子目录
+// 返回匹配的文件路径列表和可能的错误
+func FindFilesWithPatterns(directory string, pattern string, recursive bool) ([]string, error) {
+	// 编译所有正则表达式
+	re, err := regexp.Compile(pattern)
+	if err != nil {
+		return nil, fmt.Errorf("无效的正则表达式 '%s': %v", pattern, err)
+	}
+
+	// 检查目录是否存在
+	dirInfo, err := os.Stat(directory)
+	if err != nil {
+		return nil, fmt.Errorf("无法访问目录 '%s': %v", directory, err)
+	}
+	if !dirInfo.IsDir() {
+		return nil, fmt.Errorf("'%s' 不是一个目录", directory)
+	}
+
+	// 存储匹配的文件路径
+	var matchedFiles []string
+
+	// 创建文件系统
+	fsys := os.DirFS(directory)
+
+	// 遍历文件系统
+	err = fs.WalkDir(fsys, ".", func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+
+		// 如果是目录且不递归，则跳过子目录
+		if d.IsDir() {
+			if !recursive && path != "." {
+				return fs.SkipDir
+			}
+			return nil
+		}
+
+		// 检查文件名是否匹配任何一个正则表达式
+		if re.MatchString(d.Name()) {
+			// 添加完整路径到结果列表
+			fullPath := filepath.Join(directory, path)
+			matchedFiles = append(matchedFiles, fullPath)
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, fmt.Errorf("遍历目录时出错: %v", err)
+	}
+
+	return matchedFiles, nil
+}
+
+func DefaultWorkDir(account string) string {
+	if len(account) == 0 {
+		switch runtime.GOOS {
+		case "windows":
+			return filepath.Join(os.ExpandEnv("${USERPROFILE}"), "Documents", "chatlog")
+		case "darwin":
+			return filepath.Join(os.ExpandEnv("${HOME}"), "Documents", "chatlog")
+		default:
+			return filepath.Join(os.ExpandEnv("${HOME}"), "chatlog")
+		}
+	}
+	switch runtime.GOOS {
+	case "windows":
+		return filepath.Join(os.ExpandEnv("${USERPROFILE}"), "Documents", "chatlog", account)
+	case "darwin":
+		return filepath.Join(os.ExpandEnv("${HOME}"), "Documents", "chatlog", account)
+	default:
+		return filepath.Join(os.ExpandEnv("${HOME}"), "chatlog", account)
+	}
+}
+
+func GetDirSize(dir string) string {
+	var size int64
+	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+		if err == nil {
+			size += info.Size()
+		}
+		return nil
+	})
+	return ByteCountSI(size)
+}
+
+func ByteCountSI(b int64) string {
+	const unit = 1000
+	if b < unit {
+		return fmt.Sprintf("%d B", b)
+	}
+	div, exp := int64(unit), 0
+	for n := b / unit; n >= unit; n /= unit {
+		div *= unit
+		exp++
+	}
+	return fmt.Sprintf("%.1f %cB",
+		float64(b)/float64(div), "kMGTPE"[exp])
+}
+
+// PrepareDir ensures that the specified directory path exists.
+// If the directory does not exist, it attempts to create it.
+func PrepareDir(path string) error {
+	stat, err := os.Stat(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			if err := os.MkdirAll(path, 0755); err != nil {
+				return err
+			}
+		} else {
+			return err
+		}
+	} else if !stat.IsDir() {
+		log.Debugf("%s is not a directory", path)
+		return fmt.Errorf("%s is not a directory", path)
+	}
+	return nil
+}
diff --git a/pkg/util/os_windows.go b/pkg/util/os_windows.go
new file mode 100644
index 0000000..b9caa16
--- /dev/null
+++ b/pkg/util/os_windows.go
@@ -0,0 +1,15 @@
+package util
+
+import (
+	"fmt"
+
+	"golang.org/x/sys/windows"
+)
+
+func Is64Bit(handle windows.Handle) (bool, error) {
+	var is32Bit bool
+	if err := windows.IsWow64Process(handle, &is32Bit); err != nil {
+		return false, fmt.Errorf("检查进程位数失败: %w", err)
+	}
+	return !is32Bit, nil
+}
diff --git a/pkg/util/strings.go b/pkg/util/strings.go
new file mode 100644
index 0000000..2ec791c
--- /dev/null
+++ b/pkg/util/strings.go
@@ -0,0 +1,34 @@
+package util
+
+import (
+	"fmt"
+	"strconv"
+	"unicode"
+	"unicode/utf8"
+)
+
+func IsNormalString(b []byte) bool {
+	str := string(b)
+
+	// 检查是否为有效的 UTF-8
+	if !utf8.ValidString(str) {
+		return false
+	}
+
+	// 检查是否全部为可打印字符
+	for _, r := range str {
+		if !unicode.IsPrint(r) {
+			return false
+		}
+	}
+
+	return true
+}
+
+func MustAnyToInt(v interface{}) int {
+	str := fmt.Sprintf("%v", v)
+	if i, err := strconv.Atoi(str); err == nil {
+		return i
+	}
+	return 0
+}
diff --git a/pkg/util/time.go b/pkg/util/time.go
new file mode 100644
index 0000000..cc63085
--- /dev/null
+++ b/pkg/util/time.go
@@ -0,0 +1,636 @@
+package util
+
+import (
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+)
+
+var zoneStr = time.Now().Format("-0700")
+
+// 时间粒度常量
+type TimeGranularity int
+
+const (
+	GranularityUnknown TimeGranularity = iota // 未知粒度
+	GranularitySecond                         // 精确到秒
+	GranularityMinute                         // 精确到分钟
+	GranularityHour                           // 精确到小时
+	GranularityDay                            // 精确到天
+	GranularityMonth                          // 精确到月
+	GranularityQuarter                        // 精确到季度
+	GranularityYear                           // 精确到年
+)
+
+// timeOf 内部函数，解析各种格式的时间点，并返回时间粒度
+// 支持以下格式:
+// 1. 时间戳(秒): 1609459200 (GranularitySecond)
+// 2. 标准日期: 20060102, 2006-01-02 (GranularityDay)
+// 3. 带时间的日期: 20060102/15:04, 2006-01-02/15:04 (GranularityMinute)
+// 4. 完整时间: 20060102150405 (GranularitySecond)
+// 5. RFC3339: 2006-01-02T15:04:05Z07:00 (GranularitySecond)
+// 6. 相对时间: 5h-ago, 3d-ago, 1w-ago, 1m-ago, 1y-ago (根据单位确定粒度)
+// 7. 自然语言: now (GranularitySecond), today, yesterday (GranularityDay)
+// 8. 年份: 2006 (GranularityYear)
+// 9. 月份: 200601, 2006-01 (GranularityMonth)
+// 10. 季度: 2006Q1, 2006Q2, 2006Q3, 2006Q4 (GranularityQuarter)
+// 11. 年月日时分: 200601021504 (GranularityMinute)
+func timeOf(str string) (t time.Time, g TimeGranularity, ok bool) {
+	if str == "" {
+		return time.Time{}, GranularityUnknown, false
+	}
+
+	str = strings.TrimSpace(str)
+
+	// 处理自然语言时间
+	switch strings.ToLower(str) {
+	case "now":
+		return time.Now(), GranularitySecond, true
+	case "today":
+		now := time.Now()
+		return time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()), GranularityDay, true
+	case "yesterday":
+		now := time.Now().AddDate(0, 0, -1)
+		return time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()), GranularityDay, true
+	case "this-week":
+		now := time.Now()
+		weekday := int(now.Weekday())
+		if weekday == 0 { // 周日
+			weekday = 7
+		}
+		// 本周一
+		monday := now.AddDate(0, 0, -(weekday - 1))
+		return time.Date(monday.Year(), monday.Month(), monday.Day(), 0, 0, 0, 0, now.Location()), GranularityDay, true
+	case "last-week":
+		now := time.Now()
+		weekday := int(now.Weekday())
+		if weekday == 0 { // 周日
+			weekday = 7
+		}
+		// 上周一
+		lastMonday := now.AddDate(0, 0, -(weekday-1)-7)
+		return time.Date(lastMonday.Year(), lastMonday.Month(), lastMonday.Day(), 0, 0, 0, 0, now.Location()), GranularityDay, true
+	case "this-month":
+		now := time.Now()
+		return time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location()), GranularityMonth, true
+	case "last-month":
+		now := time.Now()
+		return time.Date(now.Year(), now.Month()-1, 1, 0, 0, 0, 0, now.Location()), GranularityMonth, true
+	case "this-year":
+		now := time.Now()
+		return time.Date(now.Year(), 1, 1, 0, 0, 0, 0, now.Location()), GranularityYear, true
+	case "last-year":
+		now := time.Now()
+		return time.Date(now.Year()-1, 1, 1, 0, 0, 0, 0, now.Location()), GranularityYear, true
+	case "all":
+		// 返回零值时间
+		return time.Time{}, GranularityYear, true
+	}
+
+	// 处理相对时间: 5h-ago, 3d-ago, 1w-ago, 1m-ago, 1y-ago
+	if strings.HasSuffix(str, "-ago") {
+		str = strings.TrimSuffix(str, "-ago")
+
+		// 特殊处理 0d-ago 为当天开始
+		if str == "0d" {
+			now := time.Now()
+			return time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()), GranularityDay, true
+		}
+
+		// 解析数字和单位
+		re := regexp.MustCompile(`^(\d+)([hdwmy])$`)
+		matches := re.FindStringSubmatch(str)
+		if len(matches) == 3 {
+			num, err := strconv.Atoi(matches[1])
+			if err != nil {
+				return time.Time{}, GranularityUnknown, false
+			}
+
+			// 确保数字是正数
+			if num <= 0 {
+				// 对于0d-ago已经特殊处理，其他0或负数都是无效的
+				if num == 0 && matches[2] != "d" {
+					return time.Time{}, GranularityUnknown, false
+				}
+				return time.Time{}, GranularityUnknown, false
+			}
+
+			now := time.Now()
+			var resultTime time.Time
+			var granularity TimeGranularity
+
+			switch matches[2] {
+			case "h": // 小时
+				resultTime = now.Add(-time.Duration(num) * time.Hour)
+				granularity = GranularityHour
+			case "d": // 天
+				resultTime = now.AddDate(0, 0, -num)
+				granularity = GranularityDay
+			case "w": // 周
+				resultTime = now.AddDate(0, 0, -num*7)
+				granularity = GranularityDay
+			case "m": // 月
+				resultTime = now.AddDate(0, -num, 0)
+				granularity = GranularityMonth
+			case "y": // 年
+				resultTime = now.AddDate(-num, 0, 0)
+				granularity = GranularityYear
+			default:
+				return time.Time{}, GranularityUnknown, false
+			}
+
+			return resultTime, granularity, true
+		}
+
+		// 尝试标准 duration 解析
+		dur, err := time.ParseDuration(str)
+		if err == nil {
+			// 根据duration单位确定粒度
+			hours := dur.Hours()
+			if hours < 1 {
+				return time.Now().Add(-dur), GranularitySecond, true
+			} else if hours < 24 {
+				return time.Now().Add(-dur), GranularityHour, true
+			} else {
+				return time.Now().Add(-dur), GranularityDay, true
+			}
+		}
+
+		return time.Time{}, GranularityUnknown, false
+	}
+
+	// 处理季度: 2006Q1, 2006Q2, 2006Q3, 2006Q4
+	if matched, _ := regexp.MatchString(`^\d{4}Q[1-4]$`, str); matched {
+		re := regexp.MustCompile(`^(\d{4})Q([1-4])$`)
+		matches := re.FindStringSubmatch(str)
+		if len(matches) == 3 {
+			year, _ := strconv.Atoi(matches[1])
+			quarter, _ := strconv.Atoi(matches[2])
+
+			// 验证年份范围
+			if year < 1970 || year > 9999 {
+				return time.Time{}, GranularityUnknown, false
+			}
+
+			// 计算季度的开始月份
+			startMonth := time.Month((quarter-1)*3 + 1)
+
+			return time.Date(year, startMonth, 1, 0, 0, 0, 0, time.Local), GranularityQuarter, true
+		}
+	}
+
+	// 处理年份: 2006
+	if len(str) == 4 && isDigitsOnly(str) {
+		year, err := strconv.Atoi(str)
+		if err == nil && year >= 1970 && year <= 9999 {
+			return time.Date(year, 1, 1, 0, 0, 0, 0, time.Local), GranularityYear, true
+		}
+		return time.Time{}, GranularityUnknown, false
+	}
+
+	// 处理月份: 200601 或 2006-01
+	if (len(str) == 6 && isDigitsOnly(str)) || (len(str) == 7 && strings.Count(str, "-") == 1) {
+		var year, month int
+		var err error
+
+		if len(str) == 6 && isDigitsOnly(str) {
+			year, err = strconv.Atoi(str[0:4])
+			if err != nil {
+				return time.Time{}, GranularityUnknown, false
+			}
+			month, err = strconv.Atoi(str[4:6])
+			if err != nil {
+				return time.Time{}, GranularityUnknown, false
+			}
+		} else { // 2006-01
+			parts := strings.Split(str, "-")
+			if len(parts) != 2 {
+				return time.Time{}, GranularityUnknown, false
+			}
+			year, err = strconv.Atoi(parts[0])
+			if err != nil {
+				return time.Time{}, GranularityUnknown, false
+			}
+			month, err = strconv.Atoi(parts[1])
+			if err != nil {
+				return time.Time{}, GranularityUnknown, false
+			}
+		}
+
+		if year < 1970 || year > 9999 || month < 1 || month > 12 {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		return time.Date(year, time.Month(month), 1, 0, 0, 0, 0, time.Local), GranularityMonth, true
+	}
+
+	// 处理日期格式: 20060102 或 2006-01-02
+	if len(str) == 8 && isDigitsOnly(str) {
+		// 验证年月日
+		year, _ := strconv.Atoi(str[0:4])
+		month, _ := strconv.Atoi(str[4:6])
+		day, _ := strconv.Atoi(str[6:8])
+
+		if year < 1970 || year > 9999 || month < 1 || month > 12 || day < 1 || day > 31 {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 进一步验证日期是否有效
+		if !isValidDate(year, month, day) {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 直接构造时间
+		result := time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.Local)
+		return result, GranularityDay, true
+	} else if len(str) == 10 && strings.Count(str, "-") == 2 {
+		// 验证年月日
+		parts := strings.Split(str, "-")
+		if len(parts) != 3 {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		year, err1 := strconv.Atoi(parts[0])
+		month, err2 := strconv.Atoi(parts[1])
+		day, err3 := strconv.Atoi(parts[2])
+
+		if err1 != nil || err2 != nil || err3 != nil {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		if year < 1970 || year > 9999 || month < 1 || month > 12 || day < 1 || day > 31 {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 进一步验证日期是否有效
+		if !isValidDate(year, month, day) {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 直接构造时间
+		result := time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.Local)
+		return result, GranularityDay, true
+	}
+
+	// 处理年月日时分: 200601021504
+	if len(str) == 12 && isDigitsOnly(str) {
+		year, _ := strconv.Atoi(str[0:4])
+		month, _ := strconv.Atoi(str[4:6])
+		day, _ := strconv.Atoi(str[6:8])
+		hour, _ := strconv.Atoi(str[8:10])
+		minute, _ := strconv.Atoi(str[10:12])
+
+		if year < 1970 || year > 9999 || month < 1 || month > 12 || day < 1 || day > 31 ||
+			hour < 0 || hour > 23 || minute < 0 || minute > 59 {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 进一步验证日期是否有效
+		if !isValidDate(year, month, day) {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 直接构造时间
+		result := time.Date(year, time.Month(month), day, hour, minute, 0, 0, time.Local)
+		return result, GranularityMinute, true
+	}
+
+	// 处理带时间的日期: 20060102/15:04 或 2006-01-02/15:04
+	if strings.Contains(str, "/") {
+		parts := strings.Split(str, "/")
+		if len(parts) != 2 {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		datePart := parts[0]
+		timePart := parts[1]
+
+		// 验证日期部分
+		var year, month, day int
+		var err1, err2, err3 error
+
+		if len(datePart) == 8 && isDigitsOnly(datePart) {
+			year, err1 = strconv.Atoi(datePart[0:4])
+			month, err2 = strconv.Atoi(datePart[4:6])
+			day, err3 = strconv.Atoi(datePart[6:8])
+		} else if len(datePart) == 10 && strings.Count(datePart, "-") == 2 {
+			dateParts := strings.Split(datePart, "-")
+			if len(dateParts) != 3 {
+				return time.Time{}, GranularityUnknown, false
+			}
+			year, err1 = strconv.Atoi(dateParts[0])
+			month, err2 = strconv.Atoi(dateParts[1])
+			day, err3 = strconv.Atoi(dateParts[2])
+		} else {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		if err1 != nil || err2 != nil || err3 != nil {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		if year < 1970 || year > 9999 || month < 1 || month > 12 || day < 1 || day > 31 {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 进一步验证日期是否有效
+		if !isValidDate(year, month, day) {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 验证时间部分
+		if !regexp.MustCompile(`^\d{2}:\d{2}$`).MatchString(timePart) {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		timeParts := strings.Split(timePart, ":")
+		hour, err1 := strconv.Atoi(timeParts[0])
+		minute, err2 := strconv.Atoi(timeParts[1])
+
+		if err1 != nil || err2 != nil {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		if hour < 0 || hour > 23 || minute < 0 || minute > 59 {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 直接构造时间
+		result := time.Date(year, time.Month(month), day, hour, minute, 0, 0, time.Local)
+		return result, GranularityMinute, true
+	}
+
+	// 处理完整时间: 20060102150405
+	if len(str) == 14 && isDigitsOnly(str) {
+		year, _ := strconv.Atoi(str[0:4])
+		month, _ := strconv.Atoi(str[4:6])
+		day, _ := strconv.Atoi(str[6:8])
+		hour, _ := strconv.Atoi(str[8:10])
+		minute, _ := strconv.Atoi(str[10:12])
+		second, _ := strconv.Atoi(str[12:14])
+
+		if year < 1970 || year > 9999 || month < 1 || month > 12 || day < 1 || day > 31 ||
+			hour < 0 || hour > 23 || minute < 0 || minute > 59 || second < 0 || second > 59 {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 进一步验证日期是否有效
+		if !isValidDate(year, month, day) {
+			return time.Time{}, GranularityUnknown, false
+		}
+
+		// 直接构造时间
+		result := time.Date(year, time.Month(month), day, hour, minute, second, 0, time.Local)
+		return result, GranularitySecond, true
+	}
+
+	// 处理时间戳(秒)
+	if isDigitsOnly(str) {
+		n, err := strconv.ParseInt(str, 10, 64)
+		if err == nil {
+			// 检查是否是合理的时间戳范围
+			if n >= 1000000000 && n <= 253402300799 { // 2001年到2286年的秒级时间戳
+				return time.Unix(n, 0), GranularitySecond, true
+			}
+		}
+		return time.Time{}, GranularityUnknown, false
+	}
+
+	// 处理 RFC3339: 2006-01-02T15:04:05Z07:00
+	if strings.Contains(str, "T") && (strings.Contains(str, "Z") || strings.Contains(str, "+") || strings.Contains(str, "-")) {
+		t, err := time.Parse(time.RFC3339, str)
+		if err != nil {
+			// 尝试不带秒的格式
+			t, err = time.Parse("2006-01-02T15:04Z07:00", str)
+		}
+		if err == nil {
+			return t, GranularitySecond, true
+		}
+	}
+
+	// 排除所有其他不支持的格式
+	return time.Time{}, GranularityUnknown, false
+}
+
+// TimeOf 解析各种格式的时间点
+// 支持以下格式:
+// 1. 时间戳(秒): 1609459200
+// 2. 标准日期: 20060102, 2006-01-02
+// 3. 带时间的日期: 20060102/15:04, 2006-01-02/15:04
+// 4. 完整时间: 20060102150405
+// 5. RFC3339: 2006-01-02T15:04:05Z07:00
+// 6. 相对时间: 5h-ago, 3d-ago, 1w-ago, 1m-ago, 1y-ago (小时、天、周、月、年)
+// 7. 自然语言: now, today, yesterday
+// 8. 年份: 2006
+// 9. 月份: 200601, 2006-01
+// 10. 季度: 2006Q1, 2006Q2, 2006Q3, 2006Q4
+// 11. 年月日时分: 200601021504
+func TimeOf(str string) (t time.Time, ok bool) {
+	t, _, ok = timeOf(str)
+	return
+}
+
+// TimeRangeOf 解析各种格式的时间范围
+// 支持以下格式:
+// 1. 单个时间点: 根据时间粒度确定合适的时间范围
+//   - 精确到秒/分钟/小时: 扩展为当天范围
+//   - 精确到天: 当天 00:00:00 ~ 23:59:59
+//   - 精确到月: 当月第一天 ~ 最后一天
+//   - 精确到季度: 季度第一天 ~ 最后一天
+//   - 精确到年: 当年第一天 ~ 最后一天
+//
+// 2. 时间区间: 2006-01-01~2006-01-31, 2006-01-01,2006-01-31, 2006-01-01 to 2006-01-31
+// 3. 相对时间: last-7d, last-30d, last-3m, last-1y (最近7天、30天、3个月、1年)
+// 4. 特定时间段: today, yesterday, this-week, last-week, this-month, last-month, this-year, last-year
+// 5. all: 表示所有时间
+func TimeRangeOf(str string) (start, end time.Time, ok bool) {
+	if str == "" {
+		return time.Time{}, time.Time{}, false
+	}
+
+	str = strings.TrimSpace(str)
+
+	// 处理 all 特殊情况
+	if strings.ToLower(str) == "all" {
+		start = time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC)
+		end = time.Date(9999, 12, 31, 23, 59, 59, 999999999, time.UTC)
+		return start, end, true
+	}
+
+	// 处理相对时间范围: last-7d, last-30d, last-3m, last-1y
+	if matched, _ := regexp.MatchString(`^last-\d+[dwmy]$`, str); matched {
+		re := regexp.MustCompile(`^last-(\d+)([dwmy])$`)
+		matches := re.FindStringSubmatch(str)
+		if len(matches) == 3 {
+			num, err := strconv.Atoi(matches[1])
+			if err != nil || num <= 0 {
+				return time.Time{}, time.Time{}, false
+			}
+
+			now := time.Now()
+			end = time.Date(now.Year(), now.Month(), now.Day(), 23, 59, 59, 999999999, now.Location())
+
+			switch matches[2] {
+			case "d": // 天
+				start = now.AddDate(0, 0, -num)
+				start = time.Date(start.Year(), start.Month(), start.Day(), 0, 0, 0, 0, start.Location())
+				return start, end, true
+			case "w": // 周
+				start = now.AddDate(0, 0, -num*7)
+				start = time.Date(start.Year(), start.Month(), start.Day(), 0, 0, 0, 0, start.Location())
+				return start, end, true
+			case "m": // 月
+				start = now.AddDate(0, -num, 0)
+				start = time.Date(start.Year(), start.Month(), start.Day(), 0, 0, 0, 0, start.Location())
+				return start, end, true
+			case "y": // 年
+				start = now.AddDate(-num, 0, 0)
+				start = time.Date(start.Year(), start.Month(), start.Day(), 0, 0, 0, 0, start.Location())
+				return start, end, true
+			}
+		}
+	}
+
+	// 处理时间区间: 2006-01-01~2006-01-31, 2006-01-01,2006-01-31, 2006-01-01 to 2006-01-31
+	separators := []string{"~", ",", " to "}
+	for _, sep := range separators {
+		if strings.Contains(str, sep) {
+			parts := strings.Split(str, sep)
+			if len(parts) == 2 {
+				startTime, startGran, startOk := timeOf(strings.TrimSpace(parts[0]))
+				endTime, endGran, endOk := timeOf(strings.TrimSpace(parts[1]))
+
+				if startOk && endOk {
+					// 根据粒度调整时间范围
+					start = adjustStartTime(startTime, startGran)
+					end = adjustEndTime(endTime, endGran)
+
+					// 确保开始时间早于结束时间
+					if start.After(end) {
+						// 正确交换开始和结束时间
+						start, end = adjustStartTime(endTime, endGran), adjustEndTime(startTime, startGran)
+					}
+
+					return start, end, true
+				}
+			}
+		}
+	}
+
+	// 处理单个时间点，根据粒度确定合适的时间范围
+	t, g, ok := timeOf(str)
+	if ok {
+		switch g {
+		case GranularitySecond, GranularityMinute, GranularityHour:
+			// 精确到秒/分钟/小时的时间点，扩展为当天范围
+			start = time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location())
+			end = time.Date(t.Year(), t.Month(), t.Day(), 23, 59, 59, 999999999, t.Location())
+		case GranularityDay:
+			// 精确到天的时间点
+			start = time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location())
+			end = time.Date(t.Year(), t.Month(), t.Day(), 23, 59, 59, 999999999, t.Location())
+		case GranularityMonth:
+			// 精确到月的时间点
+			start = time.Date(t.Year(), t.Month(), 1, 0, 0, 0, 0, t.Location())
+			end = time.Date(t.Year(), t.Month()+1, 0, 23, 59, 59, 999999999, t.Location())
+		case GranularityQuarter:
+			// 精确到季度的时间点
+			quarter := (t.Month()-1)/3 + 1
+			startMonth := time.Month((int(quarter)-1)*3 + 1)
+			endMonth := startMonth + 2
+			start = time.Date(t.Year(), startMonth, 1, 0, 0, 0, 0, t.Location())
+			end = time.Date(t.Year(), endMonth+1, 0, 23, 59, 59, 999999999, t.Location())
+		case GranularityYear:
+			// 精确到年的时间点
+			start = time.Date(t.Year(), 1, 1, 0, 0, 0, 0, t.Location())
+			end = time.Date(t.Year(), 12, 31, 23, 59, 59, 999999999, t.Location())
+		}
+		return start, end, true
+	}
+
+	return time.Time{}, time.Time{}, false
+}
+
+// adjustStartTime 根据时间粒度调整开始时间
+func adjustStartTime(t time.Time, g TimeGranularity) time.Time {
+	switch g {
+	case GranularitySecond, GranularityMinute, GranularityHour:
+		// 对于精确到秒/分钟/小时的时间，保持原样
+		return t
+	case GranularityDay:
+		// 精确到天，设置为当天开始
+		return time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location())
+	case GranularityMonth:
+		// 精确到月，设置为当月第一天
+		return time.Date(t.Year(), t.Month(), 1, 0, 0, 0, 0, t.Location())
+	case GranularityQuarter:
+		// 精确到季度，设置为季度第一天
+		quarter := (t.Month()-1)/3 + 1
+		startMonth := time.Month((int(quarter)-1)*3 + 1)
+		return time.Date(t.Year(), startMonth, 1, 0, 0, 0, 0, t.Location())
+	case GranularityYear:
+		// 精确到年，设置为当年第一天
+		return time.Date(t.Year(), 1, 1, 0, 0, 0, 0, t.Location())
+	default:
+		// 未知粒度，默认为当天开始
+		return time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location())
+	}
+}
+
+// adjustEndTime 根据时间粒度调整结束时间
+func adjustEndTime(t time.Time, g TimeGranularity) time.Time {
+	switch g {
+	case GranularitySecond, GranularityMinute, GranularityHour:
+		// 对于精确到秒/分钟/小时的时间，设置为当天结束
+		return time.Date(t.Year(), t.Month(), t.Day(), 23, 59, 59, 999999999, t.Location())
+	case GranularityDay:
+		// 精确到天，设置为当天结束
+		return time.Date(t.Year(), t.Month(), t.Day(), 23, 59, 59, 999999999, t.Location())
+	case GranularityMonth:
+		// 精确到月，设置为当月最后一天
+		return time.Date(t.Year(), t.Month()+1, 0, 23, 59, 59, 999999999, t.Location())
+	case GranularityQuarter:
+		// 精确到季度，设置为季度最后一天
+		quarter := (t.Month()-1)/3 + 1
+		startMonth := time.Month((int(quarter)-1)*3 + 1)
+		endMonth := startMonth + 2
+		return time.Date(t.Year(), endMonth+1, 0, 23, 59, 59, 999999999, t.Location())
+	case GranularityYear:
+		// 精确到年，设置为当年最后一天
+		return time.Date(t.Year(), 12, 31, 23, 59, 59, 999999999, t.Location())
+	default:
+		// 未知粒度，默认为当天结束
+		return time.Date(t.Year(), t.Month(), t.Day(), 23, 59, 59, 999999999, t.Location())
+	}
+}
+
+// isDigitsOnly 检查字符串是否只包含数字
+func isDigitsOnly(s string) bool {
+	for _, c := range s {
+		if c < '0' || c > '9' {
+			return false
+		}
+	}
+	return len(s) > 0
+}
+
+// isValidDate 检查日期是否有效
+func isValidDate(year, month, day int) bool {
+	// 检查月份的天数
+	daysInMonth := 31
+
+	switch month {
+	case 4, 6, 9, 11:
+		daysInMonth = 30
+	case 2:
+		// 闰年判断
+		if (year%4 == 0 && year%100 != 0) || year%400 == 0 {
+			daysInMonth = 29
+		} else {
+			daysInMonth = 28
+		}
+	}
+
+	return day <= daysInMonth
+}
diff --git a/pkg/util/time_test.go b/pkg/util/time_test.go
new file mode 100644
index 0000000..1df70ca
--- /dev/null
+++ b/pkg/util/time_test.go
@@ -0,0 +1,1004 @@
+package util
+
+import (
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestTimeOf(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		wantTime time.Time
+		wantOk   bool
+	}{
+		// 空输入
+		{
+			name:     "empty string",
+			input:    "",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "whitespace only",
+			input:    "   ",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+
+		// 自然语言时间
+		{
+			name:   "now",
+			input:  "now",
+			wantOk: true, // 不检查具体时间，因为会随运行时间变化
+		},
+		{
+			name:   "today",
+			input:  "today",
+			wantOk: true,
+		},
+		{
+			name:   "yesterday",
+			input:  "yesterday",
+			wantOk: true,
+		},
+		{
+			name:   "this-week",
+			input:  "this-week",
+			wantOk: true,
+		},
+		{
+			name:   "last-week",
+			input:  "last-week",
+			wantOk: true,
+		},
+		{
+			name:   "this-month",
+			input:  "this-month",
+			wantOk: true,
+		},
+		{
+			name:   "last-month",
+			input:  "last-month",
+			wantOk: true,
+		},
+		{
+			name:   "this-year",
+			input:  "this-year",
+			wantOk: true,
+		},
+		{
+			name:   "last-year",
+			input:  "last-year",
+			wantOk: true,
+		},
+		{
+			name:   "all",
+			input:  "all",
+			wantOk: true,
+		},
+
+		// 相对时间
+		{
+			name:   "1h-ago",
+			input:  "1h-ago",
+			wantOk: true,
+		},
+		{
+			name:   "24h-ago",
+			input:  "24h-ago",
+			wantOk: true,
+		},
+		{
+			name:   "1d-ago",
+			input:  "1d-ago",
+			wantOk: true,
+		},
+		{
+			name:   "7d-ago",
+			input:  "7d-ago",
+			wantOk: true,
+		},
+		{
+			name:   "1w-ago",
+			input:  "1w-ago",
+			wantOk: true,
+		},
+		{
+			name:   "1m-ago",
+			input:  "1m-ago",
+			wantOk: true,
+		},
+		{
+			name:   "1y-ago",
+			input:  "1y-ago",
+			wantOk: true,
+		},
+		{
+			name:     "invalid-ago",
+			input:    "invalid-ago",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:   "0d-ago",
+			input:  "0d-ago",
+			wantOk: true, // 应该是今天
+		},
+		{
+			name:     "-1d-ago",
+			input:    "-1d-ago",
+			wantTime: time.Time{},
+			wantOk:   false, // 负数应该无效
+		},
+
+		// 季度
+		{
+			name:     "2020Q1",
+			input:    "2020Q1",
+			wantTime: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "2020Q2",
+			input:    "2020Q2",
+			wantTime: time.Date(2020, 4, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "2020Q3",
+			input:    "2020Q3",
+			wantTime: time.Date(2020, 7, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "2020Q4",
+			input:    "2020Q4",
+			wantTime: time.Date(2020, 10, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "2020Q5", // 无效季度
+			input:    "2020Q5",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "1969Q1", // 早于1970年
+			input:    "1969Q1",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "10000Q1", // 超过9999年
+			input:    "10000Q1",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+
+		// 年份
+		{
+			name:     "2020",
+			input:    "2020",
+			wantTime: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "1970", // 最早有效年份
+			input:    "1970",
+			wantTime: time.Date(1970, 1, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "9999", // 最晚有效年份
+			input:    "9999",
+			wantTime: time.Date(9999, 1, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "1969", // 早于1970年
+			input:    "1969",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "10000", // 超过9999年
+			input:    "10000",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "202", // 不是4位数字
+			input:    "202",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+
+		// 月份
+		{
+			name:     "202001",
+			input:    "202001",
+			wantTime: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "202012",
+			input:    "202012",
+			wantTime: time.Date(2020, 12, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "2020-01",
+			input:    "2020-01",
+			wantTime: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "2020-12",
+			input:    "2020-12",
+			wantTime: time.Date(2020, 12, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "202013", // 无效月份
+			input:    "202013",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "2020-13", // 无效月份
+			input:    "2020-13",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "2020-00", // 无效月份
+			input:    "2020-00",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "196912", // 早于1970年
+			input:    "196912",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "1969-12", // 早于1970年
+			input:    "1969-12",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+
+		// 日期格式
+		{
+			name:     "20200101",
+			input:    "20200101",
+			wantTime: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "20201231",
+			input:    "20201231",
+			wantTime: time.Date(2020, 12, 31, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "2020-01-01",
+			input:    "2020-01-01",
+			wantTime: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "2020-12-31",
+			input:    "2020-12-31",
+			wantTime: time.Date(2020, 12, 31, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "20200229", // 闰年2月29日
+			input:    "20200229",
+			wantTime: time.Date(2020, 2, 29, 0, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "20190229", // 非闰年2月29日
+			input:    "20190229",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "20200230", // 无效日期
+			input:    "20200230",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "2020-02-30", // 无效日期
+			input:    "2020-02-30",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "20200000", // 无效日期
+			input:    "20200000",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "20200132", // 无效日期
+			input:    "20200132",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "19691231", // 早于1970年
+			input:    "19691231",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "1969-12-31", // 早于1970年
+			input:    "1969-12-31",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+
+		// 带时间的日期
+		{
+			name:     "20200101/12:34",
+			input:    "20200101/12:34",
+			wantTime: time.Date(2020, 1, 1, 12, 34, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "2020-01-01/12:34",
+			input:    "2020-01-01/12:34",
+			wantTime: time.Date(2020, 1, 1, 12, 34, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "20200101/24:00", // 无效时间
+			input:    "20200101/24:00",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "20200101/12:60", // 无效时间
+			input:    "20200101/12:60",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "20200101/12:34:56", // 不支持的格式
+			input:    "20200101/12:34:56",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "20200101/12-34", // 不支持的格式
+			input:    "20200101/12-34",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "19691231/12:34", // 早于1970年
+			input:    "19691231/12:34",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+
+		// 完整时间
+		{
+			name:     "20200101120000",
+			input:    "20200101120000",
+			wantTime: time.Date(2020, 1, 1, 12, 0, 0, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "20201231235959",
+			input:    "20201231235959",
+			wantTime: time.Date(2020, 12, 31, 23, 59, 59, 0, time.Local),
+			wantOk:   true,
+		},
+		{
+			name:     "20200101240000", // 无效时间
+			input:    "20200101240000",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "20200101126000", // 无效时间
+			input:    "20200101126000",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "20200101120060", // 无效时间
+			input:    "20200101120060",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "2020010112000", // 长度不对
+			input:    "2020010112000",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "202001011200000", // 长度不对
+			input:    "202001011200000",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "19691231235959", // 早于1970年
+			input:    "19691231235959",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+
+		// 时间戳(秒)
+		{
+			name:     "1577836800", // 2020-01-01 00:00:00
+			input:    "1577836800",
+			wantTime: time.Unix(1577836800, 0),
+			wantOk:   true,
+		},
+		{
+			name:     "1609459199", // 2020-12-31 23:59:59
+			input:    "1609459199",
+			wantTime: time.Unix(1609459199, 0),
+			wantOk:   true,
+		},
+		{
+			name:     "999999999", // 小于1000000000
+			input:    "999999999",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "253402300800", // 大于253402300799
+			input:    "253402300800",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "abc", // 非数字
+			input:    "abc",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+
+		// RFC3339
+		{
+			name:     "2020-01-01T12:00:00Z",
+			input:    "2020-01-01T12:00:00Z",
+			wantTime: time.Date(2020, 1, 1, 12, 0, 0, 0, time.UTC),
+			wantOk:   true,
+		},
+		{
+			name:     "2020-01-01T12:00:00+08:00",
+			input:    "2020-01-01T12:00:00+08:00",
+			wantTime: time.Date(2020, 1, 1, 12, 0, 0, 0, time.FixedZone("", 8*60*60)),
+			wantOk:   true,
+		},
+		{
+			name:     "2020-01-01T12:00Z",
+			input:    "2020-01-01T12:00Z",
+			wantTime: time.Date(2020, 1, 1, 12, 0, 0, 0, time.UTC),
+			wantOk:   true,
+		},
+		{
+			name:     "2020-01-01T12:00:00", // 缺少时区
+			input:    "2020-01-01T12:00:00",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "2020-01-01 12:00:00Z", // 格式不对
+			input:    "2020-01-01 12:00:00Z",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+
+		// 边界情况和特殊情况
+		{
+			name:     "99999", // 不是有效的时间戳
+			input:    "99999",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "2020/01/01", // 不支持的格式
+			input:    "2020/01/01",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "01/01/2020", // 不支持的格式
+			input:    "01/01/2020",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "2020-1-1", // 不支持的格式
+			input:    "2020-1-1",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+		{
+			name:     "20201-01-01", // 不支持的格式
+			input:    "20201-01-01",
+			wantTime: time.Time{},
+			wantOk:   false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotTime, gotOk := TimeOf(tt.input)
+
+			if tt.wantOk != gotOk {
+				t.Errorf("TimeOf() ok = %v, want %v", gotOk, tt.wantOk)
+				return
+			}
+
+			if !tt.wantOk {
+				return // 不需要检查时间值
+			}
+
+			if tt.input == "now" || strings.HasSuffix(tt.input, "-ago") ||
+				tt.input == "today" || tt.input == "yesterday" ||
+				tt.input == "this-week" || tt.input == "last-week" ||
+				tt.input == "this-month" || tt.input == "last-month" ||
+				tt.input == "this-year" || tt.input == "last-year" {
+				// 对于相对时间，不检查具体值
+				return
+			}
+
+			if !tt.wantTime.Equal(gotTime) {
+				t.Errorf("TimeOf() = %v, want %v", gotTime, tt.wantTime)
+			}
+		})
+	}
+}
+
+func TestTimeRangeOf(t *testing.T) {
+	tests := []struct {
+		name      string
+		input     string
+		wantStart time.Time
+		wantEnd   time.Time
+		wantOk    bool
+	}{
+		// 空输入
+		{
+			name:      "empty string",
+			input:     "",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+		{
+			name:      "whitespace only",
+			input:     "   ",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+
+		// all 特殊情况
+		{
+			name:      "all",
+			input:     "all",
+			wantStart: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC),
+			wantEnd:   time.Date(9999, 12, 31, 23, 59, 59, 999999999, time.UTC),
+			wantOk:    true,
+		},
+		{
+			name:      "ALL (uppercase)",
+			input:     "ALL",
+			wantStart: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC),
+			wantEnd:   time.Date(9999, 12, 31, 23, 59, 59, 999999999, time.UTC),
+			wantOk:    true,
+		},
+
+		// 相对时间范围
+		{
+			name:   "last-1d",
+			input:  "last-1d",
+			wantOk: true, // 不检查具体时间，因为会随运行时间变化
+		},
+		{
+			name:   "last-7d",
+			input:  "last-7d",
+			wantOk: true,
+		},
+		{
+			name:   "last-30d",
+			input:  "last-30d",
+			wantOk: true,
+		},
+		{
+			name:   "last-1w",
+			input:  "last-1w",
+			wantOk: true,
+		},
+		{
+			name:   "last-4w",
+			input:  "last-4w",
+			wantOk: true,
+		},
+		{
+			name:   "last-1m",
+			input:  "last-1m",
+			wantOk: true,
+		},
+		{
+			name:   "last-3m",
+			input:  "last-3m",
+			wantOk: true,
+		},
+		{
+			name:   "last-1y",
+			input:  "last-1y",
+			wantOk: true,
+		},
+		{
+			name:      "last-0d", // 无效输入
+			input:     "last-0d",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+		{
+			name:      "last--1d", // 无效输入
+			input:     "last--1d",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+		{
+			name:      "last-1x", // 无效输入
+			input:     "last-1x",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+
+		// 时间区间
+		{
+			name:      "2020-01-01~2020-01-31",
+			input:     "2020-01-01~2020-01-31",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 31, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "2020-01-01,2020-01-31",
+			input:     "2020-01-01,2020-01-31",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 31, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "2020-01-01 to 2020-01-31",
+			input:     "2020-01-01 to 2020-01-31",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 31, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "20200101~20200131",
+			input:     "20200101~20200131",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 31, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "2020-01-31~2020-01-01", // 开始时间晚于结束时间
+			input:     "2020-01-31~2020-01-01",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 31, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true, // 应该自动交换
+		},
+		{
+			name:      "2020-01-01~invalid", // 结束时间无效
+			input:     "2020-01-01~invalid",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+		{
+			name:      "invalid~2020-01-31", // 开始时间无效
+			input:     "invalid~2020-01-31",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+		{
+			name:      "2020-01-01~2020-02-30", // 结束时间无效日期
+			input:     "2020-01-01~2020-02-30",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+		{
+			name:      "2020-01-01~", // 缺少结束时间
+			input:     "2020-01-01~",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+		{
+			name:      "~2020-01-31", // 缺少开始时间
+			input:     "~2020-01-31",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+
+		// 单个时间点，根据粒度确定范围
+		{
+			name:      "2020-01-01", // 精确到天
+			input:     "2020-01-01",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 1, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "20200101", // 精确到天
+			input:     "20200101",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 1, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "2020-01", // 精确到月
+			input:     "2020-01",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 31, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "202001", // 精确到月
+			input:     "202001",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 31, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "2020Q1", // 精确到季度
+			input:     "2020Q1",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 3, 31, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "2020", // 精确到年
+			input:     "2020",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 12, 31, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "2020-01-01/12:34", // 精确到分钟
+			input:     "2020-01-01/12:34",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 1, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "20200101120000", // 精确到秒
+			input:     "20200101120000",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 1, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "1577836800", // 时间戳 2020-01-01 00:00:00
+			input:     "1577836800",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 1, 1, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "2020-01-01T12:00:00Z", // RFC3339
+			input:     "2020-01-01T12:00:00Z",
+			wantStart: time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC),
+			wantEnd:   time.Date(2020, 1, 1, 23, 59, 59, 999999999, time.UTC),
+			wantOk:    true,
+		},
+
+		// 自然语言时间
+		{
+			name:   "today",
+			input:  "today",
+			wantOk: true,
+		},
+		{
+			name:   "yesterday",
+			input:  "yesterday",
+			wantOk: true,
+		},
+		{
+			name:   "this-week",
+			input:  "this-week",
+			wantOk: true,
+		},
+		{
+			name:   "last-week",
+			input:  "last-week",
+			wantOk: true,
+		},
+		{
+			name:   "this-month",
+			input:  "this-month",
+			wantOk: true,
+		},
+		{
+			name:   "last-month",
+			input:  "last-month",
+			wantOk: true,
+		},
+		{
+			name:   "this-year",
+			input:  "this-year",
+			wantOk: true,
+		},
+		{
+			name:   "last-year",
+			input:  "last-year",
+			wantOk: true,
+		},
+
+		// 边界情况和特殊情况
+		{
+			name:      "invalid", // 无效输入
+			input:     "invalid",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+		{
+			name:      "2020-02-29", // 闰年2月29日
+			input:     "2020-02-29",
+			wantStart: time.Date(2020, 2, 29, 0, 0, 0, 0, time.Local),
+			wantEnd:   time.Date(2020, 2, 29, 23, 59, 59, 999999999, time.Local),
+			wantOk:    true,
+		},
+		{
+			name:      "2019-02-29", // 非闰年2月29日
+			input:     "2019-02-29",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+		{
+			name:      "2020-04-31", // 无效日期
+			input:     "2020-04-31",
+			wantStart: time.Time{},
+			wantEnd:   time.Time{},
+			wantOk:    false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotStart, gotEnd, gotOk := TimeRangeOf(tt.input)
+
+			if tt.wantOk != gotOk {
+				t.Errorf("TimeRangeOf() ok = %v, want %v", gotOk, tt.wantOk)
+				return
+			}
+
+			if !tt.wantOk {
+				return // 不需要检查时间值
+			}
+
+			if tt.input == "today" || tt.input == "yesterday" ||
+				tt.input == "this-week" || tt.input == "last-week" ||
+				tt.input == "this-month" || tt.input == "last-month" ||
+				tt.input == "this-year" || tt.input == "last-year" ||
+				strings.HasPrefix(tt.input, "last-") {
+				// 对于相对时间，不检查具体值
+				return
+			}
+
+			if !tt.wantStart.Equal(gotStart) {
+				t.Errorf("TimeRangeOf() start = %v, want %v", gotStart, tt.wantStart)
+			}
+
+			if !tt.wantEnd.Equal(gotEnd) {
+				t.Errorf("TimeRangeOf() end = %v, want %v", gotEnd, tt.wantEnd)
+			}
+		})
+	}
+}
+
+// 测试边界情况
+func TestTimeOfEdgeCases(t *testing.T) {
+	// 测试非常长的数字字符串
+	longDigits := "99999999999999999999999999999999999999"
+	_, ok := TimeOf(longDigits)
+	if ok {
+		t.Errorf("TimeOf(%s) should return false for very long digit string", longDigits)
+	}
+
+	// 测试非常长的字符串
+	longString := strings.Repeat("a", 10000)
+	_, ok = TimeOf(longString)
+	if ok {
+		t.Errorf("TimeOf(%s) should return false for very long string", "very_long_string")
+	}
+
+	// 测试特殊字符
+	specialChars := "!@#$%^&*()"
+	_, ok = TimeOf(specialChars)
+	if ok {
+		t.Errorf("TimeOf(%s) should return false for special characters", specialChars)
+	}
+
+	// 测试SQL注入类字符串
+	sqlInjection := "2020-01-01' OR '1'='1"
+	_, ok = TimeOf(sqlInjection)
+	if ok {
+		t.Errorf("TimeOf(%s) should return false for SQL injection attempt", sqlInjection)
+	}
+}
+
+// 测试时区处理
+func TestTimeOfTimezones(t *testing.T) {
+	// RFC3339格式的时区处理
+	utcTime, ok := TimeOf("2020-01-01T12:00:00Z")
+	if !ok {
+		t.Fatalf("TimeOf(2020-01-01T12:00:00Z) failed")
+	}
+
+	estTime, ok := TimeOf("2020-01-01T12:00:00-05:00")
+	if !ok {
+		t.Fatalf("TimeOf(2020-01-01T12:00:00-05:00) failed")
+	}
+
+	// UTC比EST时区快5小时，所以相同时钟时间的UTC应该比EST早5小时
+	// 转换为UTC后比较
+	utcInUTC := utcTime.UTC()
+	estInUTC := estTime.UTC()
+
+	// EST时区是-5小时，所以相同时钟时间的EST转为UTC后应该比UTC的时钟时间多5小时
+	hourDiff := estInUTC.Hour() - utcInUTC.Hour()
+	if hourDiff != 5 {
+		t.Errorf("Expected 5 hour difference between UTC and EST, got %v", hourDiff)
+	}
+}
+
+// 测试闰年处理
+func TestLeapYearHandling(t *testing.T) {
+	// 测试闰年2月29日
+	leapDay, ok := TimeOf("20200229")
+	if !ok {
+		t.Fatalf("TimeOf(20200229) failed for leap year")
+	}
+	if leapDay.Day() != 29 || leapDay.Month() != 2 || leapDay.Year() != 2020 {
+		t.Errorf("Expected 2020-02-29, got %v", leapDay)
+	}
+
+	// 测试非闰年2月29日
+	_, ok = TimeOf("20190229")
+	if ok {
+		t.Errorf("TimeOf(20190229) should fail for non-leap year")
+	}
+
+	// 测试世纪闰年规则 (2000是闰年，2100不是)
+	_, ok = TimeOf("20000229")
+	if !ok {
+		t.Errorf("TimeOf(20000229) should succeed for century leap year")
+	}
+
+	_, ok = TimeOf("21000229")
+	if ok {
+		t.Errorf("TimeOf(21000229) should fail for non-leap century year")
+	}
+}
diff --git a/pkg/version/version.go b/pkg/version/version.go
new file mode 100644
index 0000000..cf026ee
--- /dev/null
+++ b/pkg/version/version.go
@@ -0,0 +1,32 @@
+package version
+
+import (
+	"fmt"
+	"runtime"
+	"runtime/debug"
+	"strings"
+)
+
+var (
+	Version   = "(dev)"
+	buildInfo = debug.BuildInfo{}
+)
+
+func init() {
+	if bi, ok := debug.ReadBuildInfo(); ok {
+		buildInfo = *bi
+		if len(bi.Main.Version) > 0 {
+			Version = bi.Main.Version
+		}
+	}
+}
+
+func GetMore(mod bool) string {
+	if mod {
+		mod := buildInfo.String()
+		if len(mod) > 0 {
+			return fmt.Sprintf("\t%s\n", strings.ReplaceAll(mod[:len(mod)-1], "\n", "\n\t"))
+		}
+	}
+	return fmt.Sprintf("version %s %s %s/%s\n", Version, runtime.Version(), runtime.GOOS, runtime.GOARCH)
+}
diff --git a/script/package.sh b/script/package.sh
new file mode 100755
index 0000000..0df4b9b
--- /dev/null
+++ b/script/package.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+
+set -eu
+set -o pipefail
+[ "$#" = "1" ] && [ "$1" = '-v' ] && set -x
+
+OUTPUT_DIR="bin"
+PACKAGES_DIR="packages"
+TEMP_DIR="temp_package"
+VERSION=$(git describe --tags --always --dirty="-dev")
+CHECKSUMS_FILE="$PACKAGES_DIR/checksums.txt"
+
+make -f Makefile crossbuild
+
+rm -rf $PACKAGES_DIR $TEMP_DIR
+
+mkdir -p $PACKAGES_DIR $TEMP_DIR
+
+echo "" > $CHECKSUMS_FILE
+
+for binary in $OUTPUT_DIR/chatlog_*_*; do
+    binary_name=$(basename $binary)
+
+    # quick start
+    if [[ $binary_name == "chatlog_darwin_amd64" ]]; then
+        cp "$binary" "$PACKAGES_DIR/chatlog_macos"
+        echo "$(sha256sum $PACKAGES_DIR/chatlog_macos | sed "s|$PACKAGES_DIR/||")" >> $CHECKSUMS_FILE
+    elif [[ $binary_name == "chatlog_windows_amd64" ]]; then
+        cp "$binary" "$PACKAGES_DIR/chatlog_windows.exe"
+        echo "$(sha256sum $PACKAGES_DIR/chatlog_windows.exe | sed "s|$PACKAGES_DIR/||")" >> $CHECKSUMS_FILE
+    elif [[ $binary_name == "chatlog_linux_amd64" ]]; then
+        cp "$binary" "$PACKAGES_DIR/chatlog_linux"
+        echo "$(sha256sum $PACKAGES_DIR/chatlog_linux | sed "s|$PACKAGES_DIR/||")" >> $CHECKSUMS_FILE
+    fi
+
+    cp "README.md" "LICENSE" $TEMP_DIR
+
+    package_name=""
+    os_arch=$(echo $binary_name | cut -d'_' -f 2-)
+    if [[ $binary_name == *"_windows_"* ]]; then
+        cp "$binary" "$TEMP_DIR/chatlog.exe"
+        package_name="chatlog_${VERSION}_${os_arch}.zip"
+        zip -j "$PACKAGES_DIR/$package_name" -r $TEMP_DIR/*
+    else
+        cp "$binary" "$TEMP_DIR/chatlog"
+        package_name="chatlog_${VERSION}_${os_arch}.tar.gz"
+        tar -czf "$PACKAGES_DIR/$package_name" -C $TEMP_DIR .
+    fi
+
+    rm -rf $TEMP_DIR/*
+
+    if [[ ! -z "$package_name" ]]; then
+        echo "$(sha256sum $PACKAGES_DIR/$package_name | sed "s|$PACKAGES_DIR/||")" >> $CHECKSUMS_FILE
+    fi
+
+done
+
+rm -rf $TEMP_DIR
+
+echo "📦 All packages and their sha256 checksums have been created in $PACKAGES_DIR/"
\ No newline at end of file