energy_storage/web/src/router/index.js

import { createRouter, createWebHistory } from 'vue-router'

const routes = [
  {
    path: '/',
    redirect: '/main'
  },
  {
    path: '/login',
    name: 'login',
    component: () => import(/* webpackChunkName: "login" */ '@/views/LoginView.vue')
  },
  {
    path: '/main',
    name: 'main',
    redirect: '/main/monitor',
    component: () => import(/* webpackChunkName: "main" */ '@/views/MainView.vue'),
    children: [
      {
        path: 'monitor',
        component: () => import(/* webpackChunkName: "monitor" */ '@/views/sub/monitor.vue')
      }
    ]
  }
]

const router = createRouter({
  history: createWebHistory(''),
  routes
})

export default router