禁止修改全局布局，以及菜单栏变动

frontend/src/permission.js

@@ -1,4 +1,4 @@
-import router from './router'
+import router from './router'
 import store from './store'
 import { Message } from 'element-ui'
 import NProgress from 'nprogress'
@@ -18,7 +18,6 @@ const isWhiteList = (path) => {
 router.beforeEach((to, from, next) => {
   NProgress.start()
   if (getToken()) {
-    to.meta.title && store.dispatch('settings/setTitle', to.meta.title)
     const isLock = store.getters.isLock
     /* has token*/
     if (to.path === '/login') {