update: 完全升级Vue3过程中的记录

src/App.vue

@@ -3,12 +3,13 @@
 </template>
 
 <script>
+import { defineAsyncComponent } from 'vue'
 // 以这样一段结构初始化VCC组件
 const initCodeStr = '{"template":{"lc_id":"root","__children":[{"div":{"class":"container","style":"min-height: 100%; padding-bottom: 100px;","lc_id":"container","__text__":"Hello，欢迎使用LCG，请往此区域拖拽组件","__children":[{"el-button":{"lc-mark":"","type":"danger","lc_id":"COAAYXizyI","__children":[],"__text__":"危险按钮","@click":"onButtonClick","size":"small"}}]}}]}}'
 
 export default {
   components: {
-    vcc: () => import('./components-v2/VCC.vue'),
+    vcc: defineAsyncComponent(() => import('./components-v2/VCC.vue')),
   },
   data() {
     return {