diff --git a/components/cascader/index.en-US.md b/components/cascader/index.en-US.md
index 5c20240c68..70b4656f1f 100644
--- a/components/cascader/index.en-US.md
+++ b/components/cascader/index.en-US.md
@@ -67,7 +67,7 @@ Common props ref：[Common props](/docs/react/common-props)
 | maxTagCount | Max tag count to show. `responsive` will cost render performance | number \| `responsive` | - | 4.17.0 |
 | maxTagPlaceholder | Placeholder for not showing tags | ReactNode \| function(omittedValues) | - | 4.17.0 |
 | maxTagTextLength | Max tag text length to show | number | - | 4.17.0 |
-| notFoundContent | Specify content to show when no result matches | string | `Not Found` |  |
+| notFoundContent | Specify content to show when no result matches | ReactNode | `Not Found` |  |
 | open | Set visible of cascader popup | boolean | - | 4.17.0 |
 | options | The data options of cascade | [Option](#option)\[] | - |  |
 | placeholder | The input placeholder | string | - |  |
diff --git a/components/cascader/index.zh-CN.md b/components/cascader/index.zh-CN.md
index ba0c30f644..cedd36f33b 100644
--- a/components/cascader/index.zh-CN.md
+++ b/components/cascader/index.zh-CN.md
@@ -68,7 +68,7 @@ demo:
 | maxTagCount | 最多显示多少个 tag，响应式模式会对性能产生损耗 | number \| `responsive` | - | 4.17.0 |
 | maxTagPlaceholder | 隐藏 tag 时显示的内容 | ReactNode \| function(omittedValues) | - | 4.17.0 |
 | maxTagTextLength | 最大显示的 tag 文本长度 | number | - | 4.17.0 |
-| notFoundContent | 当下拉列表为空时显示的内容 | string | `Not Found` |  |
+| notFoundContent | 当下拉列表为空时显示的内容 | ReactNode | `Not Found` |  |
 | open | 控制浮层显隐 | boolean | - | 4.17.0 |
 | options | 可选项数据源 | [Option](#option)\[] | - |  |
 | placeholder | 输入框占位文本 | string | - |  |