diff --git a/model/command/command.py b/model/command/command.py
index 74b45c026..54b356f20 100644
--- a/model/command/command.py
+++ b/model/command/command.py
@@ -56,6 +56,7 @@ class Command:
             "update latest": "更新到最新版本",
             "update r": "重启程序",
             "reset": "重置会话",
+            "nick": "设置机器人昵称",
             "/bing": "切换到bing模型",
             "/gpt": "切换到OpenAI ChatGPT API",
             "/revgpt": "切换到网页版ChatGPT",
diff --git a/model/command/command_openai_official.py b/model/command/command_openai_official.py
index df1bd3698..dcbb8a0b6 100644
--- a/model/command/command_openai_official.py
+++ b/model/command/command_openai_official.py
@@ -37,6 +37,9 @@ class CommandOpenAIOfficial(Command):
         elif self.command_start_with(message, "key"):
             return True, self.key(message, user_name)
         
+        if self.command_start_with(message, "/"):
+            return True, (False, "未知指令", "unknown_command")
+        
         return False, None
     
     def help(self):
diff --git a/model/command/command_rev_chatgpt.py b/model/command/command_rev_chatgpt.py
index ce545da1e..6b33edeba 100644
--- a/model/command/command_rev_chatgpt.py
+++ b/model/command/command_rev_chatgpt.py
@@ -17,6 +17,9 @@ class CommandRevChatGPT(Command):
             return True, self.update(message, role)
         elif self.command_start_with(message, "keyword"):
             return True, self.keyword(message, role)
+        
+        if self.command_start_with(message, "/"):
+            return True, (False, "未知指令", "unknown_command")
         return False, None
     
     def reset(self):
diff --git a/model/command/command_rev_edgegpt.py b/model/command/command_rev_edgegpt.py
index 5135ea68a..b7e0fe20a 100644
--- a/model/command/command_rev_edgegpt.py
+++ b/model/command/command_rev_edgegpt.py
@@ -17,6 +17,9 @@ class CommandRevEdgeGPT(Command):
             return True, self.update(message, role)
         elif self.command_start_with(message, "keyword"):
             return True, self.keyword(message, role)
+        
+        if self.command_start_with(message, "/"):
+            return True, (False, "未知指令", "unknown_command")
         return False, None
     
     def reset(self, loop):