diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-richtext.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-richtext.md
index e29d853d6a68151476bb6d81d3eeef83564de0c4..bbb0ad303a1e5adeff7fe88970fc55324027974e 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-richtext.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-richtext.md
@@ -83,7 +83,7 @@ struct RichTextExample {
           console.info('RichText onComplete');
         })
         .width(500)
-        .height(400)
+        .height(500)
         .backgroundColor(0XBDDB69)
       RichText('layoutWeight(1)')
         .onStart(() => {