diff --git a/q2/main.py b/q2/main.py
index 508c58f..de69d89 100644
--- a/q2/main.py
+++ b/q2/main.py
@@ -53,18 +53,3 @@ class UserManager:
             self.next_id = 1
 
 
-if __name__ == "__main__":
-    um = UserManager()
-    print(um.add_user("张三", 18))
-    print(um.add_user("李四", 20))
-    print(um.get_user(1))
-    print(um.get_user(99))
-    print(um.update_age(1, 19))
-    print(um.remove_user(2))
-    print(um.remove_user(2))
-    print(um.list_users())
-    um.save_to_json("users.json")
-
-    um2 = UserManager()
-    um2.load_from_json("users.json")
-    print(um2.list_users())
\ No newline at end of file