update zh-cn/application-dev/reference/apis/js-apis-pointer.md.

Signed-off-by: N xixian <xixian@huawei.com>

update zh-cn/application-dev/reference/apis/js-apis-pointer.md.
Signed-off-by: N xixian <xixian@huawei.com>
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zh-cn/application-dev/reference/apis/js-apis-pointer.md zh-cn/application-dev/reference/apis/js-apis-pointer.md +1 -1

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--- a/zh-cn/application-dev/reference/apis/js-apis-pointer.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-pointer.md
@@ -923,7 +923,7 @@ try {

 ## pointer.getTouchpadScrollSwitch<sup>10+</sup>

-getTouchpadScrollSwitch(callback:  AsyncCallback\<boolead>): void
+getTouchpadScrollSwitch(callback:  AsyncCallback\<boolean>): void

 获取触控板滚轴能力开启状态，使用AsyncCallback异步方式返回结果。