缓存currentRoute

src/components/MainMenu/MainMenu.vue

@@ -42,22 +42,17 @@ let UrlPrefixObj = require("@/config/UrlPrefix");
 export default {
   data() {
     return {
-      currentRoute: 0,
+      currentRoute: Number(sessionStorage.getItem("currentRoute")),
     };
   },
-  mounted() {
-    if (this.$route.path === "/userCenter") {
-      this.currentRoute = 2;
-    } else {
-      this.currentRoute = 0;
-    }
-  },
+  mounted() {},
   methods: {
     selectPage(idnex, path) {
       if (idnex === 1) {
         window.open(UrlPrefixObj.model.CHAIN_BROWSER_URL_PREFIX);
       } else {
         if (this.currentRoute === idnex) return;
+        sessionStorage.setItem("currentRoute", idnex);
         this.currentRoute = idnex;
         this.$router.push({ path: path });
       }