diff --git a/components/popconfirm/doc/index.zh-CN.md b/components/popconfirm/doc/index.zh-CN.md
index e8177c749a..3c57b253f2 100644
--- a/components/popconfirm/doc/index.zh-CN.md
+++ b/components/popconfirm/doc/index.zh-CN.md
@@ -45,7 +45,7 @@ import { NzPopconfirmModule } from 'ng-zorro-antd/popconfirm';
| --- | --- | --- | --- | --- |
| `[nzCancelText]` | 取消按钮文字 | `string` | `'取消'` | - |
| `[nzOkText]` | 确认按钮文字 | `string` | `'确定'` | - |
-| `[nzOkType]` | 确认按钮类型 | `'primary' \| 'ghost' \| 'dashed' \| 'danger' \| 'default'` | `'primary'` | - |
+| `[nzOkType]` | 确认按钮类型 | `'primary' \| 'ghost' \| 'dashed' \| 'default'` | `'primary'` | - |
| `[nzOkDanger]` | 确认按钮是否为危险按钮。与 `nz-button` 的 `nzDanger` 值保持一致 | `boolean` | `false` | - |
| `[nzCondition]` | 是否直接触发 `nzOnConfirm` 而不弹出框 | `boolean` | `false` | - |
| `[nzIcon]` | 自定义弹出框的 icon | `string \| TemplateRef` | - | - |