tnbapp/src/router/chat.js

const Chat = () => import('views/chat/Chat')
const ChatIndex = () => import('views/chat/ChatIndex')

export default {
  path: '/chat',
  name: 'Chat',
  component: Chat,
  meta: { needAuth: true },
  children: [
    {
      path: '',
      name: 'ChatIndex',
      component: ChatIndex,
      meta: { needAuth: true }
    }
  ]
}