xx

src/main/java/com/ruoyi/device/domain/impl/djimqtt/service/DjiMqttClientService.java

@@ -108,6 +108,9 @@ public class DjiMqttClientService {
         options.setAutomaticReconnect(config.getAutoReconnect());
         options.setCleanSession(config.getCleanSession());
 
+        // 设置MQTT版本为5.0
+        options.setMqttVersion(MqttConnectOptions.MQTT_VERSION_5_0);
+
         factory.setConnectionOptions(options);
         return factory;
     }

src/main/resources/bootstrap.yml

@@ -48,7 +48,7 @@ dji:
     host: mqtt.t-aaron.com
     port: 10883
     version: 5
-    client-id: ThingsBoard_gateway
+    client-id: mqttx_c1c67436
     username: admin
     password: admin
     connection-timeout: 30