diff --git a/components.json b/components.json
index 981b1b9db..413d66319 100644
--- a/components.json
+++ b/components.json
@@ -8,5 +8,6 @@
   "cell-group": "./packages/cell-group/index.js",
   "popup": "./packages/popup/index.js",
   "dialog": "./packages/dialog/index.js",
-  "picker": "./packages/picker/index.js"
+  "picker": "./packages/picker/index.js",
+  "radio-group": "./packages/radio-group/index.js"
 }
diff --git a/packages/picker/src/picker-column.vue b/packages/picker/src/picker-column.vue
index 5e3525cf4..81b387db2 100644
--- a/packages/picker/src/picker-column.vue
+++ b/packages/picker/src/picker-column.vue
@@ -29,13 +29,25 @@ export default {
       type: Number,
       default: 5
     },
+    /**
+     * 该列所有的可选值
+     */
     values: {
       type: Array,
       default() {
         return [];
       }
     },
-    className: {},
+    /**
+     * 每列添加额外的`className`
+     */
+    className: {
+      type: String,
+      default: ''
+    },
+    /**
+     * 行高
+     */
     itemHeight: {
       type: Number,
       default: DEFAULT_ITEM_HEIGHT
@@ -146,6 +158,7 @@ export default {
 
       draggable(el, {
         start: (event) => {
+          // 存储当前状态
           dragState = {
             range: this.dragRange,
             start: new Date(),
@@ -210,6 +223,9 @@ export default {
       });
     },
 
+    /**
+     * `value`改变时调用
+     */
     doOnValueChange() {
       let value = this.currentValue;
       let wrapper = this.$refs.wrapper;
diff --git a/packages/radio-group/CHANGELOG.md b/packages/radio-group/CHANGELOG.md
new file mode 100644
index 000000000..e88c472b3
--- /dev/null
+++ b/packages/radio-group/CHANGELOG.md
@@ -0,0 +1,8 @@
+## 0.0.2 (2017-01-20)
+
+* 改了bug A
+* 加了功能B
+
+## 0.0.1 (2017-01-10)
+
+* 第一版
diff --git a/packages/radio-group/README.md b/packages/radio-group/README.md
new file mode 100644
index 000000000..4c6172563
--- /dev/null
+++ b/packages/radio-group/README.md
@@ -0,0 +1,26 @@
+# @youzan/<%= name %>
+
+!!! 请在此处填写你的文档最简单描述 !!!
+
+[![version][version-image]][download-url]
+[![download][download-image]][download-url]
+
+[version-image]: http://npm.qima-inc.com/badge/v/@youzan/<%= name %>.svg?style=flat-square
+[download-image]: http://npm.qima-inc.com/badge/d/@youzan/<%= name %>.svg?style=flat-square
+[download-url]: http://npm.qima-inc.com/package/@youzan/<%= name %>
+
+## Demo
+
+## Usage
+
+## API
+
+| 参数       | 说明      | 类型       | 默认值       | 可选值       |
+|-----------|-----------|-----------|-------------|-------------|
+| className | 自定义额外类名 | string  | ''          | ''          |
+
+
+
+
+## License
+[MIT](https://opensource.org/licenses/MIT)
diff --git a/packages/radio-group/index.js b/packages/radio-group/index.js
new file mode 100644
index 000000000..596da9a2c
--- /dev/null
+++ b/packages/radio-group/index.js
@@ -0,0 +1,3 @@
+import RadioGroup from '../cell/src/radio-group';
+
+export default RadioGroup;
diff --git a/packages/radio-group/package.json b/packages/radio-group/package.json
new file mode 100644
index 000000000..7dbfa2900
--- /dev/null
+++ b/packages/radio-group/package.json
@@ -0,0 +1,10 @@
+{
+  "name": "<%= name %>",
+  "version": "<%= version %>",
+  "description": "<%= description %>",
+  "main": "./lib/index.js",
+  "author": "<%= author %>",
+  "license": "<%= license %>",
+  "devDependencies": {},
+  "dependencies": {}
+}
diff --git a/packages/radio/src/radio.vue b/packages/radio/src/radio.vue
index fad1b7259..be88dbedb 100644
--- a/packages/radio/src/radio.vue
+++ b/packages/radio/src/radio.vue
@@ -4,6 +4,9 @@
     :class="{
       'is-disabled': disabled
     }">
+    <span class="z-radio__label">
+      <slot></slot>
+    </span>
   </z-cell>
 </template>