diff --git a/main/xiaozhi-server/core/connection.py b/main/xiaozhi-server/core/connection.py
index 04f79970..da0e6b46 100644
--- a/main/xiaozhi-server/core/connection.py
+++ b/main/xiaozhi-server/core/connection.py
@@ -581,7 +581,7 @@ class ConnectionHandler:
         functions = None
         if self.intent_type == "function_call" and hasattr(self, "func_handler"):
             functions = self.func_handler.get_functions()
-        if self.mcp_client is not None:
+        if hasattr(self, "mcp_client"):
             mcp_tools = self.mcp_client.get_available_tools()
             if mcp_tools is not None and len(mcp_tools) > 0:
                 if functions is None:
@@ -707,7 +707,7 @@ class ConnectionHandler:
                 # 处理MCP工具调用
                 if self.mcp_manager.is_mcp_tool(function_name):
                     result = self._handle_mcp_tool_call(function_call_data)
-                elif self.mcp_client is not None and self.mcp_client.has_tool(function_name):
+                elif hasattr(self, "mcp_client") and self.mcp_client.has_tool(function_name):
                     # 如果是MCP工具调用 
                     self.logger.bind(tag=TAG).debug(
                         f"调用MCP工具: {function_name}, 参数: {function_arguments}"
diff --git a/main/xiaozhi-server/core/handle/mcpHandle.py b/main/xiaozhi-server/core/handle/mcpHandle.py
index 838fb6bd..e03fe72f 100644
--- a/main/xiaozhi-server/core/handle/mcpHandle.py
+++ b/main/xiaozhi-server/core/handle/mcpHandle.py
@@ -164,8 +164,6 @@ async def handle_mcp_message(conn, mcp_client: MCPClient, payload: dict):
                 else:
                     await mcp_client.set_ready(True)
                     conn.logger.bind(tag=TAG).info("所有工具已获取，MCP客户端准备就绪")
-                tool_result = await call_mcp_tool(conn, mcp_client, "self.get_device_status", {})
-                print(f"Tool call result: {tool_result}")
             return
 
     # Handle method calls (requests from the client)
diff --git a/main/xiaozhi-server/plugins_func/functions/handle_speaker_or_screen.py b/main/xiaozhi-server/plugins_func/functions/handle_speaker_or_screen.py
index 8547c985..f89f30b0 100644
--- a/main/xiaozhi-server/plugins_func/functions/handle_speaker_or_screen.py
+++ b/main/xiaozhi-server/plugins_func/functions/handle_speaker_or_screen.py
@@ -102,11 +102,11 @@ handle_device_function_desc = {
 }
 
 
-# @register_function(
-#     "handle_speaker_volume_or_screen_brightness",
-#     handle_device_function_desc,
-#     ToolType.IOT_CTL,
-# )
+@register_function(
+    "handle_speaker_volume_or_screen_brightness",
+    handle_device_function_desc,
+    ToolType.IOT_CTL,
+)
 def handle_speaker_volume_or_screen_brightness(
     conn, device_type: str, action: str, value: int = None
 ):