Updated files

Vue3学习笔记.md

@@ -40,11 +40,11 @@ const app = createApp({
 import { createApp } from 'vue'
 
 const app = createApp({
-    data{
+    data() {
-        return {
+    return {
-            name: "李强"
+      count: 0
-        }
     }
+  }
 })
 
 ```