vuevuerouter面包屑问题?

{

            path: '/index',

            component: CdnLayout,

            children: [

                { path: 'list', component: List, name: '列表页' },

                { path: 'list/detal', component: Detail, name: '内容'}

            ]

        },

 let matched = this.$route.matched.filter(item => item.name;

                );

                const first = matched[0];

                if (first && (first.name !== '首页' || first.path !== '')) {

                     matched = [{ name: '首页', path: '/index' }].concat(matched)



                }