diff --git a/components/tooltip/index.en-US.md b/components/tooltip/index.en-US.md
index b13544e8ef..ee022b0317 100644
--- a/components/tooltip/index.en-US.md
+++ b/components/tooltip/index.en-US.md
@@ -14,9 +14,9 @@ A simple text popup tip.
 
 ## API
 
-| Property | Description | Type | Default |
-| --- | --- | --- | --- |
-| title | The text shown in the tooltip | ReactNode \| () => ReactNode | - |
+| Property | Description                   | Type                         | Default |
+| -------- | ----------------------------- | ---------------------------- | ------- |
+| title    | The text shown in the tooltip | ReactNode \| () => ReactNode | -       |
 
 ### Common API
 
@@ -35,6 +35,7 @@ The following APIs are shared by Tooltip, Popconfirm, Popover.
 | mouseLeaveDelay | Delay in seconds, before tooltip is hidden on mouse leave | number | 0.1 |  |
 | overlayClassName | Class name of the tooltip card | string | - |  |
 | overlayStyle | Style of the tooltip card | object | - |  |
+| overlayInnerStyle | Style of the tooltip inner content | object | - |  |
 | placement | The position of the tooltip relative to the target, which can be one of `top` `left` `right` `bottom` `topLeft` `topRight` `bottomLeft` `bottomRight` `leftTop` `leftBottom` `rightTop` `rightBottom` | string | `top` |  |
 | trigger | Tooltip trigger mode. Could be multiple by passing an array | `hover` \| `focus` \| `click` \| `contextMenu` \| Array<string> | `hover` |  |
 | visible | Whether the floating tooltip card is visible or not | boolean | false |  |
diff --git a/components/tooltip/index.zh-CN.md b/components/tooltip/index.zh-CN.md
index 6b6d06142c..9e33f243ff 100644
--- a/components/tooltip/index.zh-CN.md
+++ b/components/tooltip/index.zh-CN.md
@@ -16,9 +16,9 @@ cover: https://gw.alipayobjects.com/zos/alicdn/Vyyeu8jq2/Tooltp.svg
 
 ## API
 
-| 参数 | 说明 | 类型 | 默认值 |
-| --- | --- | --- | --- |
-| title | 提示文字 | ReactNode \| () => ReactNode | - |
+| 参数  | 说明     | 类型                         | 默认值 |
+| ----- | -------- | ---------------------------- | ------ |
+| title | 提示文字 | ReactNode \| () => ReactNode | -      |
 
 ### 共同的 API
 
@@ -37,6 +37,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/Vyyeu8jq2/Tooltp.svg
 | mouseLeaveDelay | 鼠标移出后延时多少才隐藏 Tooltip，单位：秒 | number | 0.1 |  |
 | overlayClassName | 卡片类名 | string | - |  |
 | overlayStyle | 卡片样式 | object | - |  |
+| overlayInnerStyle | 卡片内容区域的样式对象 | object | - |  |
 | placement | 气泡框位置，可选 `top` `left` `right` `bottom` `topLeft` `topRight` `bottomLeft` `bottomRight` `leftTop` `leftBottom` `rightTop` `rightBottom` | string | `top` |  |
 | trigger | 触发行为，可选 `hover` \| `focus` \| `click` \| `contextMenu`，可使用数组设置多个触发行为 | string \| string\[] | `hover` |  |
 | visible | 用于手动控制浮层显隐 | boolean | false |  |