去掉本地缓存 每次都拉取

src/views/layout/slidebar.vue

@@ -60,11 +60,7 @@ export default {
     vm = this;
     const navs = sessionStorage.getItem('PROT_CENTER_NAVS');
 
-    if (navs != null) {
-      vm.items = JSON.parse(navs);
-    } else {
-      vm.getNav();
-    }
+    vm.getNav();
   },
   watch: {},
   methods: {