diff --git a/ADC_function.py b/ADC_function.py
index e310dd5..993e5dc 100644
--- a/ADC_function.py
+++ b/ADC_function.py
@@ -381,7 +381,7 @@ def load_cookies(cookie_json_filename: str):
                 break
         if not cookies_filename:
             return None, None
-        return json.load(open(cookies_filename)), cookies_filename
+        return json.loads(Path(cookies_filename).read_text(encoding='utf-8')), cookies_filename
     except:
         return None, None
 
@@ -519,14 +519,13 @@ def download_one_file(args) -> str:
     wrapped for map function
     """
 
-    def _inner(url: str, save_path: Path):
-        filebytes = get_html(url, return_type='content')
-        if isinstance(filebytes, bytes) and len(filebytes):
-            if len(filebytes) == save_path.open('wb').write(filebytes):
+    (url, save_path) = args
+    filebytes = get_html(url, return_type='content')
+    if isinstance(filebytes, bytes) and len(filebytes):
+        with save_path.open('wb') as fpbyte:
+            if len(filebytes) == fpbyte.write(filebytes):
                 return str(save_path)
 
-    return _inner(*args)
-
 
 def parallel_download_files(dn_list: typing.Iterable[typing.Sequence], parallel: int = 0):
     """
diff --git a/WebCrawler/__init__.py b/WebCrawler/__init__.py
index 7f9cf19..d870ece 100644
--- a/WebCrawler/__init__.py
+++ b/WebCrawler/__init__.py
@@ -248,8 +248,8 @@ def get_data_from_json(file_number, oCC):
             if json_data[translate_value] == "":
                 continue
             if translate_value == "title":
-                title_dict = json.load(
-                    open(str(Path.home() / '.local' / 'share' / 'mdc' / 'c_number.json'), 'r', encoding="utf-8"))
+                title_dict = json.loads(
+                    (Path.home() / '.local' / 'share' / 'mdc' / 'c_number.json').read_text(encoding="utf-8"))
                 try:
                     json_data[translate_value] = title_dict[number]
                     continue