diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-richeditor.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-richeditor.md
index bf22eefc488c9beea7895d43be440516f31f5148..7e2c18e783a0f5aed58251ba7ef50ad78fc3728f 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-richeditor.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-richeditor.md
@@ -213,7 +213,7 @@ addImageSpan(value: PixelMap | ResourceStr, options?: RichEditorImageSpanOptions
 
 updateSpanStyle(value: RichEditorUpdateTextSpanStyleOptions | RichEditorUpdateImageSpanStyleOptions): void
 
-更新文本或者图片样式。
+更新文本或者图片样式。<br/>若只更新了一个Span的部分内容，则会根据更新部分、未更新部分将该Span拆分为多个Span。
 
 **参数：**