add mq log control

LFtid1056/cloudfront/code/main.cpp

@@ -566,6 +566,13 @@ void Front::mqconsumerThread()
         subscriptions.emplace_back(G_MQCONSUMER_TOPIC_LOG, FRONT_INST, myMessageCallbacklog);
 
         m_mqConsumer = make_unique<rocketmq::DefaultMQPushConsumer>(consumerGroup);
+
+
+        // ✅ 必须在 start() 之前设置
+        m_mqConsumer->setLogPath("/data/logs/rocketmq");          // 目录
+        m_mqConsumer->setLogLevel(rocketmq::eLOG_LEVEL_ERROR);     // 级别（error）
+        m_mqConsumer->setLogFileSizeAndNum(5, 50);                // 5 个文件，每个 50MB
+
         m_mqConsumer->setNamesrvAddr(nameServer);
         m_mqConsumer->setSessionCredentials(G_MQCONSUMER_ACCESSKEY, G_MQCONSUMER_SECRETKEY, G_MQCONSUMER_CHANNEL);
         m_mqConsumer->setInstanceName("inst_" + std::to_string(sGetMsTime()));