diff --git a/components/cascader/index.en-US.md b/components/cascader/index.en-US.md
index 231ccfa60..6f00d16bb 100644
--- a/components/cascader/index.en-US.md
+++ b/components/cascader/index.en-US.md
@@ -10,7 +10,7 @@
 | allowClear | whether allow clear | boolean | true |
 | autoFocus | get focus when component mounted | boolean | false |
 | changeOnSelect | change value on each selection if set to true, see above demo for details | boolean | false |
-| defaultValue | initial selected value | string\[] | \[] |
+| defaultValue | initial selected value | string\[] \| number\[] | \[] |
 | disabled | whether disabled select | boolean | false |
 | displayRender | render function of displaying selected options, you can use slot="displayRender" and slot-scope="{labels, selectedOptions}" | `({labels, selectedOptions}) => vNode` | `labels => labels.join(' / ')` |
 | expandTrigger | expand current item when click or hover, one of 'click' 'hover' | string | 'click' |
@@ -27,7 +27,7 @@
 | showSearch | Whether show search input in single mode. | boolean\|object | false |
 | size | input size, one of `large` `default` `small` | string | `default` |
 | suffixIcon | The custom suffix icon | string \| VNode \| slot | - |
-| value(v-model) | selected value | string\[] | - |
+| value(v-model) | selected value | string\[] \| number\[] | - |
 
 Fields in `showSearch`:
 
diff --git a/components/cascader/index.jsx b/components/cascader/index.jsx
index 78363c14f..e43fd2209 100644
--- a/components/cascader/index.jsx
+++ b/components/cascader/index.jsx
@@ -21,11 +21,11 @@ import { cloneElement } from '../_util/vnode';
 import warning from '../_util/warning';
 
 const CascaderOptionType = PropTypes.shape({
-  value: PropTypes.string,
+  value: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
   label: PropTypes.any,
   disabled: PropTypes.bool,
   children: PropTypes.array,
-  key: PropTypes.string,
+  key: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
 }).loose;
 
 const FieldNamesType = PropTypes.shape({
@@ -49,9 +49,9 @@ const CascaderProps = {
   /** 可选项数据源 */
   options: PropTypes.arrayOf(CascaderOptionType).def([]),
   /** 默认的选中项 */
-  defaultValue: PropTypes.arrayOf(PropTypes.string),
+  defaultValue: PropTypes.array,
   /** 指定选中项 */
-  value: PropTypes.arrayOf(PropTypes.string),
+  value: PropTypes.array,
   /** 选择完成后的回调 */
   // onChange?: (value: string[], selectedOptions?: CascaderOptionType[]) => void;
   /** 选择后展示的渲染函数 */
diff --git a/components/cascader/index.zh-CN.md b/components/cascader/index.zh-CN.md
index 19e4a9970..36d3392ff 100644
--- a/components/cascader/index.zh-CN.md
+++ b/components/cascader/index.zh-CN.md
@@ -10,7 +10,7 @@
 | allowClear | 是否支持清除 | boolean | true |
 | autoFocus | 自动获取焦点 | boolean | false |
 | changeOnSelect | 当此项为 true 时，点选每级菜单选项值都会发生变化，具体见上面的演示 | boolean | false |
-| defaultValue | 默认的选中项 | string\[] | \[] |
+| defaultValue | 默认的选中项 | string\[] \| number\[] | \[] |
 | disabled | 禁用 | boolean | false |
 | displayRender | 选择后展示的渲染函数,可使用slot="displayRender" 和 slot-scope="{labels, selectedOptions}" | `({labels, selectedOptions}) => vNode` | `labels => labels.join(' / ')` |
 | expandTrigger | 次级菜单的展开方式，可选 'click' 和 'hover' | string | 'click' |
@@ -27,7 +27,7 @@
 | showSearch | 在选择框中显示搜索框 | boolean | false |
 | size | 输入框大小，可选 `large` `default` `small` | string | `default` |
 | suffixIcon | 自定义的选择框后缀图标 | string \| VNode \| slot | - |
-| value(v-model) | 指定选中项 | string\[] | - |
+| value(v-model) | 指定选中项 | string\[] \| number\[] | - |
 
 `showSearch` 为对象时，其中的字段：
 
diff --git a/components/menu/index.jsx b/components/menu/index.jsx
index 6fab9161e..b1c5ac8a5 100644
--- a/components/menu/index.jsx
+++ b/components/menu/index.jsx
@@ -21,7 +21,7 @@ export const menuProps = {
   theme: PropTypes.oneOf(['light', 'dark']).def('light'),
   mode: MenuMode.def('vertical'),
   selectable: PropTypes.bool,
-  selectedKeys: PropTypes.arrayOf(PropTypes.string),
+  selectedKeys: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
   defaultSelectedKeys: PropTypes.array,
   openKeys: PropTypes.array,
   defaultOpenKeys: PropTypes.array,