change keepalive bug

src/permission.js

@@ -6,6 +6,13 @@ import 'nprogress/nprogress.css'; // progress bar style
 NProgress.configure({ showSpinner: false });
 const lockPage = '/lock'; //锁屏页
 router.beforeEach((to, from, next) => {
+  // console.log('to',to)
+  // console.log('from',from)
+  // console.log('next',next)
+  //keep-alive BUG matched超过两层就不能缓存
+  if(to.matched && to.matched.length>2){
+    to.matched.splice(1,to.matched.length -2)
+  }
   const meta = to.meta || {};
   const isMenu = meta.menu === undefined ? to.query.menu : meta.menu;
   store.commit('SET_IS_MENU', isMenu === undefined);