diff --git a/zh-cn/application-dev/reference/apis/js-apis-pointer.md b/zh-cn/application-dev/reference/apis/js-apis-pointer.md
index 813f118fba5889886ad16dd52320cb1ab7348ff3..fe8bb17c4951b047987d0c5361ec1c869ad4930f 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-pointer.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-pointer.md
@@ -280,7 +280,7 @@ window.getTopWindow((err, data) => {
 
 ## pointer.setPointerStyle<sup>9+</sup>
 
-setPointerStyle(windowId: number, pointerStyle: PointerStyle, callback: AsyncCallback&lt;void&lt;): void
+setPointerStyle(windowId: number, pointerStyle: PointerStyle, callback: AsyncCallback&lt;void&gt;): void
 
 设置鼠标的样式类型，使用callback异步回调。