diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 63066db..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/main.py b/main.py
index 050a806..6f5e01f 100644
--- a/main.py
+++ b/main.py
@@ -28,8 +28,8 @@ def safe_strptime(date_str):
         # 尝试按照指定格式解析日期
         return datetime.strptime(date_str, "%Y年%m月%d日 %H:%M")
     except ValueError:
-        # 如果日期格式不对，返回 None
-        return None
+        # 如果日期格式不对，返回 datetime.max
+        return datetime.max
     
 
 # 还原QQ空间网页版说说
@@ -140,6 +140,7 @@ def save_data():
     open_file(current_directory + user_save_path[1:])
     os.system('pause')
     
+    
 def open_file(file_path):
     # 检查操作系统
     if platform.system() == 'Windows':
diff --git a/resource/.DS_Store b/resource/.DS_Store
deleted file mode 100644
index ef32eed..0000000
Binary files a/resource/.DS_Store and /dev/null differ
diff --git a/util/RequestUtil.py b/util/RequestUtil.py
index ea4ebfb..be3b517 100644
--- a/util/RequestUtil.py
+++ b/util/RequestUtil.py
@@ -80,7 +80,7 @@ def get_login_user_info():
 def get_message_count():
     # 初始的总量范围
     lower_bound = 0
-    upper_bound = 100000  # 假设最大总量为1000000
+    upper_bound = 10000000  # 假设最大总量为1000000
     total = upper_bound // 2  # 初始的总量为上下界的中间值
     with tqdm(desc="正在获取消息列表数量...") as pbar:
         while lower_bound <= upper_bound: