admin/src/router/modules/user.js

export const routes = [
  {
    path: '/user',
    name: 'user',
    redirect: 'noredirect',
    meta: {
      title: '用户管理'
    },
    children: [
      {
        path: '/user/admin',
        name: 'user_admin',
        meta: {
          title: '管理员用户'
        },
        component: () => import('@/views/user/admin/index.vue')
      }
    ]
  }
]