修正mqtt连接wss失败问题

src/plugins/MMCMQTT/store.js

@@ -15,7 +15,6 @@ export default {
   state: {
     client: null, //mqtt client
     clientId: "",
-    url: "", //mqtt地址
     dataSet: {
       //数据集
       /* deviceHardId: {
@@ -44,10 +43,10 @@ export default {
   },
   actions: {
     init({ commit, state }, data) {
-      let protocol = state.url.replace(/(.+)\:\/\/.*/, "$1");
+      let protocol = data.url.replace(/(.+)\:\/\/.*/, "$1");
       let clientId = Date.now();
       let client = mqtt.connect(data.url, {
-        protocol,
+        // protocol,
         clientId,
       });