diff --git a/mg/handlers/login_v5_handler.py b/mg/handlers/login_v5_handler.py
index 3320f47..ce71e52 100644
--- a/mg/handlers/login_v5_handler.py
+++ b/mg/handlers/login_v5_handler.py
@@ -102,7 +102,6 @@ async def post(self, *args, **kwargs):
             #     logging.error(f"设置主域cookie失败 {err}")
             try:
                 root_domain = self.request.headers.get('Codo-root-domain')
-                self.clear_all_cookies()
                 self.set_cookie("auth_key", auth_key, domain=root_domain, expires_days=1)
                 self.set_cookie("is_login", 'yes', domain=root_domain, expires_days=1)
             except Exception as err: