diff --git a/spider/mail_qq.py b/spider/mail_qq.py
index cb1d330..f01294a 100644
--- a/spider/mail_qq.py
+++ b/spider/mail_qq.py
@@ -120,9 +120,9 @@ def start(account, display=0):
     file_path = f"{auth_file_path}/{account}.json"
     logging.info(f"认证文件路径: {file_path}")
     if os.path.exists(file_path):
-        # 检查认证文件是否超过48小时
-        file_age_hours = (time.time() - os.path.getmtime(file_path)) / 3600
-        if file_age_hours > 48:
+        # 检查认证文件是否超过30分钟
+        file_age_minutes = (time.time() - os.path.getmtime(file_path)) / 60
+        if file_age_minutes > 30:
             logging.warning("认证文件已过期，请重新登录")
             save_login_state(file_path, "收件箱", display)
         else: