diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-web.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-web.md
index db14fd111c003a8ffc07109010cd36a159c41cbb..fcbada6f9aaf0caa933d0cb1b17231e5ef8bf4e9 100755
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-web.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-web.md
@@ -3101,8 +3101,7 @@ onAudioStateChanged(callback: (event: { playing: boolean }) => void)
 
 ### onFirstContentfulPaint<sup>10+</sup>
 
-onFirstContentfulPaint(callback: (event?: { navigationStartTick: number,
-      firstContentfulPaintMs: number }) => void)
+onFirstContentfulPaint(callback: (event?: { navigationStartTick: number, firstContentfulPaintMs: number }) => void)
 
 设置网页首次内容绘制回调函数。