How to introduce the vuejs entry file main.js into App.vue

import Vue from "vue"
import App from "./App"
Vue.config.productionTip = false
new Vue({
    el: "-sharpapp",
    components: { App },
    template: "<App/>",
});
<template>
  <div id="app">
      {{message}}
  </div>
</template>

<script>
export default {
  name: "App",
  data() {
    return {
      message: "hello world"
    };
  }
};
</script>

Jun.24,2022

import App from './App.vue'
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3808e-2c0fa.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3808e-2c0fa.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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