diff --git a/components/layout/index.en-US.md b/components/layout/index.en-US.md
index 169f37918a..79d3d2aa70 100644
--- a/components/layout/index.en-US.md
+++ b/components/layout/index.en-US.md
@@ -95,6 +95,7 @@ The sidebar.
 | defaultCollapsed | to set the initial status | boolean | false |  |
 | reverseArrow | reverse direction of arrow, for a sider that expands from the right | boolean | false |  |
 | style | to customize the styles | object | - |  |
+| specialTriggerStyle | to customize the styles of the special trigger that appears when collapsedWidth is 0 | object | - | 3.24.0 |
 | theme | color theme of the sidebar | string: `light` `dark` | `dark` | 3.6.0 |
 | trigger | specify the customized trigger, set to null to hide the trigger | string\|ReactNode | - |  |
 | width | width of the sidebar | number\|string | 200 |  |
diff --git a/components/layout/index.zh-CN.md b/components/layout/index.zh-CN.md
index 12d800a37a..9921a74045 100644
--- a/components/layout/index.zh-CN.md
+++ b/components/layout/index.zh-CN.md
@@ -96,6 +96,7 @@ title: Layout
 | defaultCollapsed | 是否默认收起 | boolean | false |  |
 | reverseArrow | 翻转折叠提示箭头的方向，当 Sider 在右边时可以使用 | boolean | false |  |
 | style | 指定样式 | object | - |  |
+| specialTriggerStyle | 指定当 `collapsedWidth` 为 0 时出现的特殊 trigger 的样式 | object | - | 3.24.0 |
 | theme | 主题颜色 | string: `light` `dark` | `dark` | 3.6.0 |
 | trigger | 自定义 trigger，设置为 null 时隐藏 trigger | string\|ReactNode | - |  |
 | width | 宽度 | number\|string | 200 |  |