SOURCE

const Home = { template: '<div><h1>Home</h1><router-view></router-view></div>' }
const Foo = { template: '<div>foo</div>' }
const Bar = { template: '<div>bar</div>' }
const Baz = { template: '<div>baz</div>' }

const router = new VueRouter({
  mode: 'history',
  routes: [
    { path: '/home', component: Home,
      children: [
        // absolute alias
        { path: 'foo', component: Foo, alias: '/foo' },
        // relative alias (alias to /home/bar-alias)
        { path: 'bar', component: Bar, alias: 'bar-alias' },
        // multiple aliases
        { path: 'baz', component: Baz, alias: ['/baz', 'baz-alias'] }
      ]
    }
  ]
})

new Vue({
  router,
  el: '#app'
})

<div id="app">
      <h1>Route Alias</h1>
      <ul>
        <li><router-link to="/foo">
          /foo (renders /home/foo)
        </router-link></li>
        <li><router-link to="/home/bar-alias">
          /home/bar-alias (renders /home/bar)
        </router-link></li>
        <li><router-link to="/baz">
          /baz (renders /home/baz)</router-link>
        </li>
        <li><router-link to="/home/baz-alias">
          /home/baz-alias (renders /home/baz)
        </router-link></li>
      </ul>
      <router-view class="view"></router-view>
    </div>