update zh-cn/application-dev/reference/arkui-ts/ts-container-swiper.md.

Signed-off-by: NLiAn <lian15@huawei.com>

zh-cn/application-dev/reference/arkui-ts/ts-container-swiper.md

@@ -45,7 +45,7 @@ Swiper(value:{controller?: SwiperController})
 | indicatorStyle<sup>8+</sup> | {<br/>left?:&nbsp;Length,<br/>top?:&nbsp;Length,<br/>right?:&nbsp;Length,<br/>bottom?:&nbsp;Length,<br/>size?:&nbsp;Length,<br/>color?:&nbsp;Color,<br/>selectedColor?:&nbsp;Color<br/>} | -          | 设置indicator样式：<br/>-&nbsp;left:&nbsp;设置导航点距离Swiper组件左边的距离。<br/>-&nbsp;top:&nbsp;设置导航点距离Swiper组件顶部的距离。<br/>-&nbsp;right:&nbsp;设置导航点距离Swiper组件右边的距离。<br/>-&nbsp;bottom:&nbsp;设置导航点距离Swiper组件底部的距离。<br/>-&nbsp;size:&nbsp;设置导航点的直径。<br/>-&nbsp;color:&nbsp;设置导航点的颜色。<br/>-&nbsp;selectedColor:&nbsp;设置选中的导航点的颜色。 |
 
 
-### SwiperController
+## SwiperController
 
 Swiper容器组件的控制器，可以将此对象绑定至Swiper组件，然后通过它控制翻页。
 
@@ -96,7 +96,7 @@ struct SwiperExample {
   private swiperController: SwiperController = new SwiperController()
   private data: MyDataSource = new MyDataSource([])
 
-  private aboutToAppear(): void {
+  aboutToAppear(): void {
     let list = []
     for (var i = 1; i <= 10; i++) {
       list.push(i.toString());