router/index.jsimport Vue from 'vue'import VueRouter from 'vue-router'Vue.use(VueRouter)const route = new VueRouter({  routes:[     {      path:'/song/list',component: require('../views/song_list')     },{      path:'/singer/list',component: require('../views/singer_list')     },{      path:'/custom/list',component: require('../views/custom_list')     },{      path:'*',redirect:'/song/list'     }   ] })export default route;頭部導航this.$router.push({path:this.headTabs[index].path})子頁面每次都會重載（打印'song_list加載了'）created (){      console.log('song_list加載了')      this.reqSongList();       var mySwiper = new Swiper('.swiper-container', {        direction: 'horizontal',         loop: true,        autoplay : 3000,        pagination: '.swiper-pagination'       });     }看別人的例子都是加載一次后，再次切換時都是直接顯示了（沒有加動態參數），沒有重載（觸發created）