modify: mqtt日志问题

aibox_sophon_adapter/router/board_ping.py

@@ -95,7 +95,11 @@ async def board_ping(request: BoardPingRequest, worker_id: str = "") -> dict:
 
         # 转发心跳数据到外部 MQTT Broker
         if mqtt_forward is not None:
-            await mqtt_forward.publish(ping_data)
+            success = await mqtt_forward.publish(ping_data)
+            if not success:
+                logger.warning("[MQTTForward] 心跳转发失败")
+        else:
+            logger.warning("[MQTTForward] mqtt_forward 客户端为 None，跳过转发")
 
         logger.debug(
             f"[Heartbeat] {board_id}: temp={request.BoardTemp}, "