diff --git a/danding_bot/plugins/group_horse_racing/test_commands.py b/danding_bot/plugins/group_horse_racing/test_commands.py
index bf59640..eb296c7 100644
--- a/danding_bot/plugins/group_horse_racing/test_commands.py
+++ b/danding_bot/plugins/group_horse_racing/test_commands.py
@@ -11,6 +11,8 @@ config = Config()
 
 async def check_tester(event: Event) -> bool:
     """Check if user is a tester."""
+    if not config.TEST_MODE:
+        return False
     return event.user_id in config.TESTERS