diff --git a/docs/markdown/changelog.zh-CN.md b/docs/markdown/changelog.zh-CN.md
index 71691e39b..8eb68ea24 100644
--- a/docs/markdown/changelog.zh-CN.md
+++ b/docs/markdown/changelog.zh-CN.md
@@ -2,9 +2,13 @@
 
 ### [v2.0.0-beta.1](https://github.com/youzan/vant/tree/v2.0.0-beta.0)
 
+##### ActionSheet
+
+- 新增`lock-scroll`属性
+
 ##### Picker
 
-- 新增惯性滚动
+- 支持惯性滚动
 
 ##### Tab
 
diff --git a/packages/action-sheet/en-US.md b/packages/action-sheet/en-US.md
index 9c98571a5..731b8ec31 100644
--- a/packages/action-sheet/en-US.md
+++ b/packages/action-sheet/en-US.md
@@ -99,6 +99,7 @@ export default {
 | overlay | Whether to show overlay | `Boolean` | `true` |
 | close-on-click-action | Whether to close when click action | `Boolean` | `false` |
 | close-on-click-overlay | Whether to close when click overlay | `Boolean` | `true` |
+| lock-scroll | Whether to lock background scroll | `Boolean` | `true` |
 | lazy-render | Whether to lazy render util appeared | `Boolean` | `true` |
 | get-container | Return the mount node for action-sheet | `String | () => HTMLElement` | - |
 | safe-area-inset-bottom | Whether to enable bottom safe area adaptation, to enable those features use `viewport-fit=cover` in the `viewport` meta tag | `Boolean` | `false` |
diff --git a/packages/action-sheet/index.tsx b/packages/action-sheet/index.tsx
index ebe330974..3ead6eceb 100644
--- a/packages/action-sheet/index.tsx
+++ b/packages/action-sheet/index.tsx
@@ -122,6 +122,7 @@ function ActionSheet(
       value={props.value}
       overlay={props.overlay}
       lazyRender={props.lazyRender}
+      lockScroll={props.lockScroll}
       getContainer={props.getContainer}
       closeOnClickOverlay={props.closeOnClickOverlay}
       onInput={onInput}
diff --git a/packages/action-sheet/zh-CN.md b/packages/action-sheet/zh-CN.md
index a1ba806a5..f71ac732a 100644
--- a/packages/action-sheet/zh-CN.md
+++ b/packages/action-sheet/zh-CN.md
@@ -107,6 +107,7 @@ export default {
 | close-on-click-action | 是否在点击选项后关闭 | `Boolean` | `false` | 2.0.0 |
 | close-on-click-overlay | 是否在点击遮罩层后关闭 | `Boolean` | `true` | - |
 | lazy-render | 是否在显示弹层时才渲染节点 | `Boolean` | `true` | 1.1.11 |
+| lock-scroll | 是否锁定背景滚动 | `Boolean` | `true` | 2.0.0 |
 | get-container | 指定挂载的节点，可以传入选择器，<br>或一个返回节点的函数 | `String | () => HTMLElement` | - | - |
 | safe-area-inset-bottom | 是否开启 iPhone X 底部安全区适配，需要在 `viewport` meta 标签中设置 `viewport-fit=cover` | `Boolean` | `false` | 1.6.15 |