diff --git a/src/message/MqttBroker.ts b/src/message/MqttBroker.ts
index 990ee26..141afcc 100644
--- a/src/message/MqttBroker.ts
+++ b/src/message/MqttBroker.ts
@@ -52,6 +52,7 @@ export class MqttMsgClient extends MessageClient {
         this.emit('error', error);
       });
       this.cli.on('message', (topic, message) => {
+        console.debug('MQTT 收到消息', topic, message);
         const handle = this.subMsgHandler.get(topic);
         if (handle) {
           if (this.options.protocol === 'json') {
@@ -61,6 +62,8 @@ export class MqttMsgClient extends MessageClient {
             // 字节流
             handle(message);
           }
+        } else {
+          console.warn('未找到订阅的消息处理器', topic);
         }
       });
     } catch (err) {