update zh-cn/application-dev/quick-start/arkts-state-management-best-practices.md.

Signed-off-by: N耿文广 <gengwenguang@huawei.com>

zh-cn/application-dev/quick-start/arkts-state-management-best-practices.md

@@ -359,7 +359,6 @@ struct ViewClassC {
                     this.c.setC(this.c.getC()+1);
                 })
         }
-  }
 }
 
 @Entry
@@ -1118,6 +1117,12 @@ class ClassE {
     this.d = d;
   }
 }
+
+```
+
+以下组件层次结构呈现的是@Prop嵌套场景的数据结构。
+
+```ts
 @Entry
 @Component
 struct Parent {