diff --git a/zh-cn/application-dev/ui/ui-ts-basic-components-button.md b/zh-cn/application-dev/ui/ui-ts-basic-components-button.md
index 260df7d2f2413e81bf3b474f3a98f5d6d2788b53..b8bf3efa3051853557b07db82e47b1b790bed752 100644
--- a/zh-cn/application-dev/ui/ui-ts-basic-components-button.md
+++ b/zh-cn/application-dev/ui/ui-ts-basic-components-button.md
@@ -136,7 +136,7 @@ Button('Ok', { type: ButtonType.Normal, stateEffect: true })
   
   @Entry
   @Component
-  struct ButtonExample {
+  struct ButtonCase1 {
     build() {
       List({ space: 4 }) {
         ListItem() {
diff --git a/zh-cn/application-dev/ui/ui-ts-layout-mediaquery.md b/zh-cn/application-dev/ui/ui-ts-layout-mediaquery.md
index 0f477aa48bce2426d8df54d2a049c690d8c03a1f..2ec86346d050a4bebcc2c273f1dbca1bcfebb62a 100644
--- a/zh-cn/application-dev/ui/ui-ts-layout-mediaquery.md
+++ b/zh-cn/application-dev/ui/ui-ts-layout-mediaquery.md
@@ -138,9 +138,8 @@ screen and (device-type: tv) or (resolution < 2) // 包含多个媒体特征
     }
   }
   ```
-横屏下文本内容为Landscape，颜色为#FFD700。</br>
+横屏下文本内容为Landscape，颜色为#FFD700。<br/>
 ![zh-cn_image_0000001262954829](figures/zh-cn_image_0000001262954829.png)
 
-
-非横屏下文本内容为Portrait，颜色为#DB7093。</br>
+非横屏下文本内容为Portrait，颜色为#DB7093。<br/>
 ![zh-cn_image_0000001263074739](figures/zh-cn_image_0000001263074739.png)