`fix`

ruoyi-system/src/main/java/com/ruoyi/data/service/impl/MqttServiceImpl.java

@@ -1,6 +1,7 @@
 package com.ruoyi.data.service.impl;
 
 import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.lang.UUID;
 import cn.hutool.json.JSONObject;
 import cn.hutool.json.JSONUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
@@ -120,7 +121,7 @@ public class MqttServiceImpl implements MqttService {
         MQTTConnect mqttConnect = new MQTTConnect();
         try {
             System.out.println(mqttUrl);
-            mqttConnect.createMqttClient(mqttUrl,clientID,mqttUser,mqttPassword,new Callback());
+            mqttConnect.createMqttClient(mqttUrl, UUID.fastUUID().toString(),mqttUser,mqttPassword,new Callback());
             mqttConnect.sub(mqttTopic);
         }catch (Exception e){
             e.printStackTrace();