diff --git a/docs/component/cover-view.md b/docs/component/cover-view.md
index bc8844b05171742775a4922f563047ca1c849586..3808d0d0c4cb7fe34c51c1ad799bd7d0f7f62974 100644
--- a/docs/component/cover-view.md
+++ b/docs/component/cover-view.md
@@ -10,6 +10,11 @@
 |√|√|√|√|√|x|√|
 
 支持的事件：`click`
+
+|属性名|类型|默认值|说明|平台差异说明|
+|:-|:-|:-|:-|:-|
+|scroll-top|number/string||设置顶部滚动偏移量，仅在设置了 overflow-y: scroll 成为滚动元素后生效|微信小程序2.1.0|
+
 
 #### cover-image
 覆盖在原生组件上的图片视图。