報錯提示：

[Vue warn]: Failed to mount component: template or render function not defined.

found in

---> <App> at src/app.vue

? ? ? ?<Root>

相關代碼：

app.vue:

????<template>

????????<div id='test'>

????????????{{text}}

????????</div>

????</template>

????<script>

????????export default {

????????????data(){

????????????????return{

????????????????????text:'abc'

????????????????}

????????????}

????????}

????</script>

????<style>

????#test{

????????color:black;

????}

????</style>

index.js:????

import Vue from 'vue'

import App from './app.vue'

import './assert/style/test.css'

import './assert/image/nn.png'

import './assert/style/test.less'

const root = document.createElement('div')

document.body.appendChild(root)

new Vue({

????render:(h)=>h(App)

}).$mount(root)