diff --git a/zh-cn/application-dev/ui/ui-ts-layout-flex.md b/zh-cn/application-dev/ui/ui-ts-layout-flex.md
index 9e110762679605da3df929520049ef20fb27e34c..3d33681082d1dc1014a17a4a9dae262a7a9e359f 100644
--- a/zh-cn/application-dev/ui/ui-ts-layout-flex.md
+++ b/zh-cn/application-dev/ui/ui-ts-layout-flex.md
@@ -312,7 +312,7 @@
     .padding(10)
     .backgroundColor(0xAFEEEE)
     ```
-   
+    
     ![zh-cn_image_0000001218739570](figures/zh-cn_image_0000001218739570.png)
 
 - ItemAlign. Baseline：交叉轴方向文本基线对齐。