diff --git a/ADC_function.py b/ADC_function.py
index 0d29ea7..c219a50 100644
--- a/ADC_function.py
+++ b/ADC_function.py
@@ -1,5 +1,6 @@
 import requests
 import hashlib
+import pathlib
 import random
 import uuid
 import json
@@ -570,3 +571,15 @@ def load_cookies(filename):
         return json.load(open(filename))
     except:
         return None
+
+# 文件修改时间距此时的天数
+def file_modification_days(filename) -> int:
+    mfile = pathlib.Path(filename)
+    if not mfile.exists():
+        return 9999
+    mtime = int(mfile.stat().st_mtime)
+    now = int(time.time())
+    days = int((now - mtime) / (24 * 60 * 60))
+    if days < 0:
+        return 9999
+    return days
diff --git a/WebCrawler/javdb.py b/WebCrawler/javdb.py
index 7acda58..7a09538 100644
--- a/WebCrawler/javdb.py
+++ b/WebCrawler/javdb.py
@@ -11,8 +11,8 @@ from ADC_function import *
 
 def getTitle(a):
     html = etree.fromstring(a, etree.HTMLParser())
-    result = html.xpath("/html/body/section/div/h2/strong/text()")[0]
-    return result
+    browser_title = str(html.xpath("/html/head/title/text()")[0])
+    return browser_title[:browser_title.find(' | JavDB')].strip()
 
 def getActor(a):
     html = etree.fromstring(a, etree.HTMLParser())
@@ -212,7 +212,11 @@ def main(number):
         # else:
         #     number = number.upper()
         number = number.upper()
-        javdb_cookies = load_cookies(javdb_site + ".json")
+        cookie_json = './' + javdb_site + '.json'
+        javdb_cookies = None
+        # 不加载过期的cookie，javdb登录界面显示为7天免登录，故假定cookie有效期为7天
+        if file_modification_days(cookie_json) < 7:
+            javdb_cookies = load_cookies(cookie_json)
         try:
             javdb_url = 'https://' + javdb_site + '.com/search?q=' + number + '&f=all'
             query_result = get_html(javdb_url, cookies=javdb_cookies)