diff --git a/nonebot_plugin_llmchat/mcpclient.py b/nonebot_plugin_llmchat/mcpclient.py
index 09f5b73..929caca 100644
--- a/nonebot_plugin_llmchat/mcpclient.py
+++ b/nonebot_plugin_llmchat/mcpclient.py
@@ -173,7 +173,7 @@ class MCPClient:
         # 检查是否是OneBot工具
         if tool_name.startswith("ob__"):
             return self.onebot_tools.get_friendly_name(tool_name)
-        
+
         # MCP工具处理
         server_name, real_tool_name = tool_name.split("___")
         return (self.server_config[server_name].friendly_name or server_name) + " - " + real_tool_name
diff --git a/nonebot_plugin_llmchat/onebottools.py b/nonebot_plugin_llmchat/onebottools.py
index ff19fa2..166e0d4 100644
--- a/nonebot_plugin_llmchat/onebottools.py
+++ b/nonebot_plugin_llmchat/onebottools.py
@@ -15,7 +15,7 @@ class OneBotTools:
                 "type": "function",
                 "function": {
                     "name": "ob__mute_user",
-                    "description": "禁言指定用户一段时间。需要机器人有管理员权限。不要随便禁言别人，你应该只听群主或者管理员你的话。",
+                    "description": "禁言指定用户一段时间。需要机器人有管理员权限。不能随便禁言成员，你应该听从管理员的指令。",
                     "parameters": {
                         "type": "object",
                         "properties": {