修改mqtt WIFI响应

MqttSubscriber.cpp

@@ -220,7 +220,7 @@ int MqttSubscriber::messageArrived(char* topicName, int topicLen, MQTTAsync_mess
             if (msgBodyOb.contains("username") && msgBodyOb.contains("password")) {
                 QString username = msgBodyOb["username"].toString();
                 QString password = msgBodyOb["password"].toString();
-                res = (cameraHandle->sdkWifi(password, username) ? 0 : 0x01);
+                res = (cameraHandle->sdkWifi(password, username) ? 0x01 :-1);
             } else {
                 qInfo() << "IP username not found in msg_body.";
                 qInfo() << "IP password not found in msg_body.";