fix agent

app/agent/tools/impl/send_message.py

@@ -2,9 +2,8 @@
 
 from typing import Optional
 
-from app.helper.message import MessageHelper
-from app.log import logger
 from app.agent.tools.base import MoviePilotTool
+from app.log import logger
 
 
 class SendMessageTool(MoviePilotTool):
@@ -14,8 +13,7 @@ class SendMessageTool(MoviePilotTool):
     async def _arun(self, message: str, explanation: str, message_type: Optional[str] = "info", **kwargs) -> str:
         logger.info(f"执行工具: {self.name}, 参数: message={message}, message_type={message_type}")
         try:
-            message_helper = MessageHelper()
-            message_helper.put(message=message, role="system", title=f"MoviePilot助手通知 ({message_type})")
+            self.send_tool_message(message, title=message_type)
             return "消息已发送。"
         except Exception as e:
             logger.error(f"发送消息失败: {e}")