diff --git a/Vue3学习笔记.md b/Vue3学习笔记.md
index e6bd33b..30f9b7b 100644
--- a/Vue3学习笔记.md
+++ b/Vue3学习笔记.md
@@ -25,5 +25,9 @@ OK，大概认识了Vue是啥东东之后，就开始学习它的基础概念和
 单个应用实例：
 
 ```vue
+import { createApp } from 'vue'
 
+const app = createApp({
+  /* 根组件选项 */
+})
 ```