Clicking on the details on the list page can switch the details according to the id normally
List page: click function adds this.$router.push({ name: 'detail', params: { id: id }});
Details receive the passed id this.$route.params.id,

The right column of the list page has a navigation (popular articles), click on the popular articles to switch the detailed content
The problem is: the address bar: xx/detail/id can be passed normally, and the detailed content has not changed
Normal hash has If there is a change, the corresponding detail data should be changed. When clicking on a popular article, although the hash has changed, the details page is only loaded once.
Can any Vue master explain the reason?

Codes for the three specific pages:
APP.vue

<template>
  <p id="app">
    <router-view></router-view>
  </p>
  <aside>
    <hotList></hotList>
  </aside>
</template>

<script type="text/ecmascript-6">
  import Vue from 'vue'
  import artList from './components/artList.vue'
  import hotList from './components/hotList.vue'
  export default {
    name:'app',
    components: {
      hotList,
      artList
    }
  }

</script>

hotList.vm, hotList.vm and artList.vm have the same code logic

<template>
  <p id="hotlist" class="hotlist">
    <ul>
      <li v-for="(item,index) in items" @click="goDetail(item.id)">
          {{ item.title }}
      </li>
    </ul>
  </p>

</template>

<script type="text/ecmascript-6">
  export default {
    name:'hotlist',
    data () {
      return {
        items: null,
      }
    },
    mounted: function(){
      this.$http.get('/api/list').then( function (response) {
        this.items = response.data
      }, function(error) {
        console.log(error)
      })

    },
    methods:{
      goDetail(id){
        this.$router.push({ name: 'detail', params: { id: id }});
      },
    }
  }
</script>

detail.vue

<template>
  <p id="detail" class="detail">
    <h2>{{detail.title}}</h2>
    <p>{{ detail.description }}</p>
  </p>

</template>

<script type="text/ecmascript-6">
  export default {
    name:'detail',
    data () {
      return {
        listId: this.$route.params.id,
        detail: {},
      }
    },
    mounted: function(){
      this.getDetail();
    },
    methods: {
      getDetail(){
        this.$http.get('/api/list/' + this.listId)
          .then(function (res) {
            this.detail   = res.data.id ? res.data : JSON.parse(res.request.response);
          }.bind(this))
          .catch(function (error) {
            console.log(error);
          });
      },
    }
  }
</script>

routing:

import artListfrom '../components/artList.vue'
import detail from '../components/detail.vue'
const router = new VueRouter({
  routes:[
    {
      path:'/home',
      name: 'home',
      component: artList,
      },
       {
      path: '/home/artList/detail/:id',
      name: 'detail',
      component: detail,
    }
    ]
    });
    export default router;