diff --git a/components/slider/demo/event.md b/components/slider/demo/event.md
index bb94354119..79e8211b8a 100644
--- a/components/slider/demo/event.md
+++ b/components/slider/demo/event.md
@@ -2,7 +2,7 @@
 order: 4
 title: 
   zh-CN: 事件
-  en-US: event
+  en-US: Event
 ---
 
 ## zh-CN
diff --git a/components/spin/index.en-US.md b/components/spin/index.en-US.md
index ff114ee568..a0b1bddc65 100644
--- a/components/spin/index.en-US.md
+++ b/components/spin/index.en-US.md
@@ -16,6 +16,6 @@ When partial of page is waiting for asynchronous data or during a rendering proc
 
 | Property      | Type           | Default      | Description         |
 |------------|----------------|-------------|--------------|
-| size       | enum           | default     | Zize of dot in spin component, avaliable in `small`, `default` and `large`. |
+| size       | enum           | default     | Size of dot in spin component, avaliable in `small`, `default` and `large`. |
 | spinning   | boolean        | true        | Use in embedded mode, to modify loading state. |
 | tip    | string        | None        | Customize decription content  |
diff --git a/components/spin/index.zh-CN.md b/components/spin/index.zh-CN.md
index e69de29bb2..de34fe25c6 100644
--- a/components/spin/index.zh-CN.md
+++ b/components/spin/index.zh-CN.md
@@ -0,0 +1,22 @@
+---
+category: Components
+type: Other
+title: Spin
+subtitle: 加载中
+---
+
+用于页面和区块的加载中状态。
+
+## 何时使用
+
+页面局部处于等待异步数据或正在渲染过程时，合适的加载动效会有效缓解用户的焦虑。
+
+
+## API
+
+
+| 参数       | 类型           | 默认值      | 说明         |
+|------------|----------------|-------------|--------------|
+| size       | enum           | default     | spin组件中点的大小，可选值为 small default large |
+| spinning   | boolean        | true        | 用于内嵌其他组件的模式，可以关闭 loading 效果    |
+| tip    | string        | 无        | 自定义描述文案 |
diff --git a/components/tree/index.en-US.md b/components/tree/index.en-US.md
index fbc82a6608..ad1f71d986 100644
--- a/components/tree/index.en-US.md
+++ b/components/tree/index.en-US.md
@@ -1,7 +1,7 @@
 ---
 category: Components
 type: Views
-english: Tree
+title: Tree
 ---
 
 ## When to use
diff --git a/components/tree/index.zh-CN.md b/components/tree/index.zh-CN.md
index 2d578e861b..b603dc5974 100644
--- a/components/tree/index.zh-CN.md
+++ b/components/tree/index.zh-CN.md
@@ -1,8 +1,8 @@
 ---
 category: Components
-chinese: 树形控件
 type: Views
-english: Tree
+title: Tree
+subtitle: 树形控件
 ---
 
 ## 何时使用