feat: MQTT新增账号密码

src/plugins/MMCMQTT/store.js

@@ -22,6 +22,8 @@ export default {
       } */
     },
     orders, //所有指令
+    username: 'tmj',
+    password: 'Tmj@192D9'
   },
   mutations: {
     /**
@@ -57,6 +59,8 @@ export default {
     init({ commit, state }, data) {
       let clientId = Date.now();
       let client = mqtt.connect(data.url, {
+        username: state.username,  
+        password: state.password,  
         clientId,
       });