diff --git a/components/button/index.en-US.md b/components/button/index.en-US.md
index 471cf6bed..0de3dc711 100644
--- a/components/button/index.en-US.md
+++ b/components/button/index.en-US.md
@@ -40,7 +40,7 @@ Different button styles can be generated by setting Button properties. The recom
 | htmlType | set the original html `type` of `button`, see: [MDN](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#attr-type) | string | `button` |  |
 | icon | set the icon of button, see: Icon component | v-slot | - |  |
 | loading | set the loading status of button | boolean \| { delay: number } | `false` |  |
-| shape | Can be set button shape | `default` \| `circle` \| `round` | 'default' |  |
+| shape | Can be set button shape | `default` \| `circle` \| `round` | `default` |  |
 | size | set the size of button | `large` \| `middle` \| `small` | `middle` |  |
 | target | same as target attribute of a, works when href is specified | string | - |  |
 | type | can be set button type | `primary` \| `ghost` \| `dashed` \| `link` \| `text` \| `default` | `default` |  |
diff --git a/components/button/index.zh-CN.md b/components/button/index.zh-CN.md
index 6f7827b68..91425ae5d 100644
--- a/components/button/index.zh-CN.md
+++ b/components/button/index.zh-CN.md
@@ -43,7 +43,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/fNUKzY1sk/Button.svg
 | htmlType | 设置 `button` 原生的 `type` 值，可选值请参考 [HTML 标准](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#attr-type) | string | `button` |  |
 | icon | 设置按钮的图标类型 | v-slot | - |  |
 | loading | 设置按钮载入状态 | boolean \| { delay: number } | `false` |  |
-| shape | 设置按钮形状 | `default` \| `circle` \| `round` | 'default' |  |
+| shape | 设置按钮形状 | `default` \| `circle` \| `round` | `default` |  |
 | size | 设置按钮大小 | `large` \| `middle` \| `small` | `middle` |  |
 | target | 相当于 a 链接的 target 属性，href 存在时生效 | string | - |  |
 | type | 设置按钮类型 | `primary` \| `ghost` \| `dashed` \| `link` \| `text` \| `default` | `default` |  |
diff --git a/components/input/demo/textarea.vue b/components/input/demo/textarea.vue
index 391c0ef00..cdb315864 100644
--- a/components/input/demo/textarea.vue
+++ b/components/input/demo/textarea.vue
@@ -19,7 +19,7 @@ For multi-line input.
   <a-textarea v-model:value="value" placeholder="Basic usage" :rows="4" />
   <br />
   <br />
-  <a-textarea :rows="4" placeholder="maxLength is 6" :maxlength="6" />
+  <a-textarea :rows="4" placeholder="maxlength is 6" :maxlength="6" />
 </template>
 <script lang="ts">
 import { defineComponent, ref } from 'vue';
diff --git a/components/select/index.en-US.md b/components/select/index.en-US.md
index 88969564b..677b83fa7 100644
--- a/components/select/index.en-US.md
+++ b/components/select/index.en-US.md
@@ -50,7 +50,7 @@ Select component to select value from options.
 | maxTagTextLength | Max text length to show | number | - |  |
 | menuItemSelectedIcon | The custom menuItemSelected icon | VNode \| slot | - |  |
 | mode | Set mode of Select | 'multiple' \| 'tags' | - |  |
-| notFoundContent | Specify content to show when no result matches.. | string\|slot | 'Not Found' |  |
+| notFoundContent | Specify content to show when no result matches.. | string\|slot | `Not Found` |  |
 | open | Controlled open state of dropdown | boolean | - |  |
 | option | custom render option by slot | v-slot:option="{value, label, [disabled, key, title]}" | - | 2.2.5 |
 | optionFilterProp | Which prop value of option will be used for filter if filterOption is true | string | value |  |
diff --git a/components/select/index.zh-CN.md b/components/select/index.zh-CN.md
index 7cc33f829..f1efdfe47 100644
--- a/components/select/index.zh-CN.md
+++ b/components/select/index.zh-CN.md
@@ -42,7 +42,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/_0XzgOis7/Select.svg
 | filterOption | 是否根据输入项进行筛选。当其为一个函数时，会接收 `inputValue` `option` 两个参数，当 `option` 符合筛选条件时，应返回 `true`，反之则返回 `false`。 | `boolean` \| `function(inputValue, option)` | true |  |
 | filterSort | 搜索时对筛选结果项的排序函数, 类似[Array.sort](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort)里的 compareFunction | (optionA: Option, optionB: Option) => number | - | 3.0 |
 | firstActiveValue | 默认高亮的选项 | string\|string\[] | - |  |
-| getPopupContainer | 菜单渲染父节点。默认渲染到 body 上，如果你遇到菜单滚动定位问题，试试修改为滚动的区域，并相对其定位。 | Function(triggerNode) | () => document.body |  |
+| getPopupContainer | 菜单渲染父节点。默认渲染到 body 上，如果你遇到菜单滚动定位问题，试试修改为滚动的区域，并相对其定位。 | function(triggerNode) | () => document.body |  |
 | labelInValue | 是否把每个选项的 label 包装到 value 中，会把 Select 的 value 类型从 `string` 变为 `{key: string, label: vNodes, originLabel: any}` 的格式, originLabel（3.1） 保持原始类型，如果通过 a-select-option children 构造的节点，该值是是个函数（即 a-select-option 的默认插槽） | boolean | false |  |
 | listHeight | 设置弹窗滚动高度 | number | 256 |  |
 | maxTagCount | 最多显示多少个 tag | number | - |  |
@@ -50,7 +50,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/_0XzgOis7/Select.svg
 | maxTagTextLength | 最大显示的 tag 文本长度 | number | - |  |
 | menuItemSelectedIcon | 自定义当前选中的条目图标 | VNode \| slot | - |  |
 | mode | 设置 Select 的模式为多选或标签 | 'multiple' \| 'tags' \| 'combobox' | - |  |
-| notFoundContent | 当下拉列表为空时显示的内容 | string\|slot | 'Not Found' |  |
+| notFoundContent | 当下拉列表为空时显示的内容 | string\|slot | `Not Found` |  |
 | open | 是否展开下拉菜单 | boolean | - |  |
 | option | 通过 option 插槽，自定义节点 | v-slot:option="{value, label, [disabled, key, title]}" | - | 2.2.5 |
 | optionFilterProp | 搜索时过滤对应的 option 属性，不支持 children | string | value |  |