fix popconfirm 文档

components/popconfirm/index.en-US.md

@@ -2,8 +2,8 @@
 
 | Param | Description | Type | Default value |
 | ----- | ----------- | ---- | ------------- |
-| cancelText | text of the Cancel button | string | `Cancel` |
-| okText | text of the Confirm button | string | `Confirm` |
+| cancelText | text of the Cancel button | string\|slot | `Cancel` |
+| okText | text of the Confirm button | string\|slot | `Confirm` |
 | okType | Button `type` of the Confirm button | string | `primary` |
 | title | title of the confirmation box | string\|slot | - |
 

components/popconfirm/index.zh-CN.md

@@ -2,8 +2,8 @@
 
 | 参数 | 说明 | 类型 | 默认值 |
 | --- | --- | --- | --- |
-| cancelText | 取消按钮文字 | string | 取消 |
-| okText | 确认按钮文字 | string | 确定 |
+| cancelText | 取消按钮文字 | string\|slot | 取消 |
+| okText | 确认按钮文字 | string\|slot | 确定 |
 | okType | 确认按钮类型 | string | primary |
 | title | 确认框的描述 | string\|slot | 无 |