diff --git a/src/plugins/auto_agree.py b/src/plugins/auto_agree.py
index 0dad9c8..d4b4998 100644
--- a/src/plugins/auto_agree.py
+++ b/src/plugins/auto_agree.py
@@ -9,10 +9,10 @@ friend_req = on_request(priority=5)
 
 @friend_req.handle()
 async def add_superuser(bot: Bot, event: RequestEvent, state: T_State):
-    if event.user_id in bot.config.superusers and event.request_type == 'private':
+    if str(event.user_id) in bot.config.superusers and event.request_type == 'private':
         await event.approve(bot)
         logger.info('add user {}'.format(event.user_id))
-    elif event.sub_type == 'invite' and event.user_id in bot.config.superusers and event.request_type == 'group':
+    elif event.sub_type == 'invite' and str(event.user_id) in bot.config.superusers and event.request_type == 'group':
         await event.approve(bot)
         logger.info('add group {}'.format(event.group_id))