diff --git a/plugins/lucky_pot/main.py b/plugins/lucky_pot/main.py
index 619a458..0591ae6 100644
--- a/plugins/lucky_pot/main.py
+++ b/plugins/lucky_pot/main.py
@@ -250,7 +250,7 @@ class LuckyPotPlugin(MessagePluginInterface):
         )
 
         # 创建者自动加入房间
-        nickname = ContactManager.get_instance().get_group_name(room_id, sender) or sender
+        nickname = ContactManager.get_instance().get_group_name(roomid, sender) or sender
         room.add_player(sender, nickname)
 
         # 扣除创建者积分