update

src/router/index.js

@@ -13,10 +13,7 @@ Vue.use(VueRouter)
   {
     path: '/about',
     name: 'About',
-    // route level code-splitting
-    // this generates a separate chunk (about.[hash].js) for this route
-    // which is lazy-loaded when the route is visited.
-    component: () => import(/* webpackChunkName: "about" */ '../views/About.vue')
+    component: () => import('../views/About.vue')
   }
 
 ]