diff --git a/examples/game/main.py b/examples/game/main.py
index c1b202a35..bf8634993 100644
--- a/examples/game/main.py
+++ b/examples/game/main.py
@@ -380,5 +380,5 @@ def main(args) -> None:
     agentscope.init(model_configs=[TONGYI_CONFIG], logger_level="DEBUG")
     args = CheckpointArgs()
     args.game_config = GAME_CONFIG
-    main.uid = None
+    args.uid = None
     main(args)