Vue+Router+Element to implement a simple navigation bar

//config.js page //navigation bar import Home from '../components/home'
//Homepageimport Index from '../components/index'
//Video platform import Vid from '../components/vid_terrace'
//Other pages import Rests from '../components/rests'
 
 
export default {
  routes:[
    {
      path:'/home',
      name: 'home',
      component: Home,
    },
    {
      /**
       * home configures the navigation bar, this must be configured otherwise it will jump to a new page * /home/index
       */
 
      path: '/home',
      name: 'home',
      component: Home,
      redirect: 'index',
      children: [
        {
          name: 'index',
          path: '/index',
          component: Index
        },
        {
          name: 'vid',
          path: '/vid',
          component: Vid
        },
        {
          name:'rests',
          path: '/rests',
          component: Rests
        }
      ]
    }
  ],
  // Remove the Vue address#
  mode:'history'
}

import VueRouter from "vue-router";
import Vue from "vue";
import Config from './config';
 
Vue.use(VueRouter);
 
let router = new VueRouter(Config);
export default router;

import Vue from 'vue';
import App from './App';
 
 
// Import Element-ui
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css';
 
//Import ./router/index fileimport router from "./router/index";
Vue.config.productionTip = false
Vue.use(ElementUI);
new Vue({
 
  el: '#app',
  render: h => h(App),
  router
})

<template>
  <div id="app">
    <!-- The component is a functional component that renders the view component matched by the rendering path. -->
      <router-view></router-view>
  </div>
 
</template>
 
<script>
 
export default {
  name: 'App',
  components:
   
  }
}
</script>
 
<style>
#app {
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>

<template>
<!-- Navigation Bar -->
  <div>
    <el-menu
        :default-active="this.$route.path"
        class="el-menu-demo"
        mode="horizontal"
        @select="handleSelect"
        router
        background-color="#545c64"
        text-color="#fff"
        active-text-color="#ffd04b">
 
      <el-menu-item v-for="(tit,i) in titleList" :key="i" :index="tit.name">
        <template>{{ tit.navItem }}</template>
      </el-menu-item>
 
    </el-menu>
 
    <el-main class="detailed-content">
      <router-view />
    </el-main>
  </div>
</template>
 
<script>
export default {
 
    data() {
      return {
        activeIndex: '1',
        activeIndex2: '1',
        titleList:[
          {name:'index', navItem:'Homepage'},
          {name:'vid',navItem:'Video Platform'},
          {name:'rests',navItem:'others'},
        ]
 
      }
    },
    methods: {
      handleSelect(key, keyPath) {
        console.log(key, keyPath);
      }
    }
  }
</script>
 
<style scoped>
 
</style>