车辆上报判断是否现成，否则会创建多余线程

src/main/java/com/muyu/service/impl/VehicleInstanceServiceImpl.java

@@ -119,7 +119,7 @@ public class VehicleInstanceServiceImpl implements VehicleInstanceService {
                 .build();
         Result<String> result = clientAdmin.vehicleConnection(connectionReq);
         if (result.getCode() != 200){
-            throw new RuntimeException("车辆：["+vin+"]，连接异常：["+result.getMsg()+"]");
+            log.error("车辆：[{}]，申请上线异常：[{}]", vin, result.getMsg());
         }
         MqttProperties mqttProperties = MqttProperties.builder()
                 .broker(broker)