[Doc] update detail (#1554)

* [bugfix] Stepper: optimize input strategy

* [Doc] update detail

packages/col/en-US.md

@@ -96,7 +96,7 @@ Setting `type` to `flex` to enable flex layout
 | justify | Flex main axis，can be set to  end/center/space-around/space-between | `String` | `start` |
 | align | Flex cross axis, be set to  center/bottom | `String` | `top` |
 
-#### Column
+#### Col
 
 | Attribute | Description | Type | Default |
 |-----------|-----------|-----------|-------------|

packages/col/zh-CN.md

@@ -97,7 +97,7 @@ Layout 组件提供了`24列栅格`，通过在`Col`上添加`span`属性设置
 | justify | Flex 主轴对齐方式，可选值为 end/center/space-around/space-between | `String` | `start` |
 | align | Flex 交叉轴对齐方式，可选值为 center/bottom | `String` | `top` |
 
-#### Column
+#### Col
 
 | 参数 | 说明 | 类型 | 默认值 |
 |-----------|-----------|-----------|-------------|