Merge branch 'feature/mqtt-feature' into 'release'

mqtt断线重连,配置修改重新创建连接05

See merge request !20

MqttSubscriber.cpp

@@ -100,7 +100,7 @@ void MqttSubscriber::reconnectAndFetchConfig() {
     // 使用 HttpService 从远程云端拉取配置
     HttpService httpService(httpUrl);  // 替换为实际的远程URL
     vides_data::response *res = httpService.httpDeviceConfig(serialNumber,re_config);
-    if (res->code != 0) {
+    if (res->code == 0) {
         instace.deleteObj(res);
         re_config.mqttConfig.clientId=serialNumber;
         QString topic = QStringLiteral("/thingshub/%1/device/reply").arg(serialNumber);