diff --git a/utils/robot_cmd/robot_command.py b/utils/robot_cmd/robot_command.py
index 36dc161..f9116cb 100644
--- a/utils/robot_cmd/robot_command.py
+++ b/utils/robot_cmd/robot_command.py
@@ -250,15 +250,19 @@ class GroupBotManager:
         # 如果第一个参数是序号，则转化为对应的功能
         if feature_str.isdigit():
             feature_num = int(feature_str)
-            try:
-                feature = Feature(feature_num, "")  # 使用枚举序号查找功能
-            except ValueError:
-                return "无效的功能序号"
+            # 通过遍历查找匹配的枚举值
+            feature = None
+            for f in Feature:
+                if f.value == feature_num:
+                    feature = f
+                    break
+            if not feature:
+                return f"无效的功能序号: {feature_num}"
         else:
             try:
                 feature = Feature[feature_str]  # 通过枚举名称获取功能枚举
             except KeyError:
-                return "无效功能名称"
+                return f"无效功能名称: {feature_str}"
 
         r = get_redis_connection()
         # 处理群机器人的启用和关闭（特别操作：更新 group:list）