fixed

src/App.vue

@@ -63,7 +63,7 @@ export default {
     }
     if (checkIE()) {
       window.addEventListener('hashchange', () => {
-        var currentPath = window.location.hash.slice(1);
+        let currentPath = window.location.hash.slice(1);
         if (this.$route.path !== currentPath) {
           this.$router.push(currentPath)
         }