"export 'default' (imported as 'Vue') was not found in 'vue'

[wyulang]

vue3.0只要export default class About extends Vue 用这方式就报错

This is an about page

{{ word }}

<script lang="ts"> import Vue from 'vue'; import Component from 'vue-class-component'; @component export default class About extends Vue { word: string = "天涯共此时"; } </script>

Failed to compile.

./views/Home.vue?vue&type=script&lang=js (../node_modules/babel-loader/lib!../node_modules/vue-loader/dist??ref--10-0!./views/Home.vue?vue&type=script&lang=js) 34:2-5
"export 'default' (imported as 'Vue') was not found in 'vue'