diff --git a/zh-cn/application-dev/reference/apis/js-apis-connectedTag.md b/zh-cn/application-dev/reference/apis/js-apis-connectedTag.md
index ad3d5ba16515ab88a5998bdebba3d053cb16e02a..412d965ba806772193c751ebf212f67321e0fe14 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-connectedTag.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-connectedTag.md
@@ -129,7 +129,7 @@ writeNdefTag(data: string): Promise<void>
 
 ## connectedTag.writeNdefTag
 
-writeNdefTag(data: string, callback: AsyncCallback<string>): void
+writeNdefTag(data: string, callback: AsyncCallback<void>): void
 
 写入内容到有源标签，使用callback方式作为异步方法。