diff --git a/components/form/demo/mix.md b/components/form/demo/mix.md
index bdb2c680c0..986c5cf4f1 100644
--- a/components/form/demo/mix.md
+++ b/components/form/demo/mix.md
@@ -17,6 +17,7 @@ var Dropdown = antd.Dropdown;
 var Slider = antd.Slider;
 var Checkbox = antd.Checkbox;
 var Radio = antd.Radio;
+var RadioGroup = antd.RadioGroup;
 
 var menu = <Menu>
   <Menu.Item>
@@ -101,15 +102,12 @@ React.render(
     <div className="ant-form-item ant-form-item-compact">
       <label for="" className="col-6" required>ant-radio:</label>
       <div className="col-16">
-        <label className="ant-radio-inline">
-          <Radio name="radio" />选项一
-        </label>
-        <label className="ant-radio-inline">
-          <Radio name="radio" />选项二
-        </label>
-        <label className="ant-radio-inline">
-          <Radio name="radio" />选项三
-        </label>
+        <RadioGroup>
+          <Radio value="a" checked={true}>选项一</Radio>
+          <Radio value="b">选项二</Radio>
+          <Radio value="c">选项三</Radio>
+          <Radio value="d">选项四</Radio>
+        </RadioGroup>
       </div>
     </div>
     <div className="ant-form-item ant-form-item-compact">
diff --git a/components/radio/demo/radiogroup.md b/components/radio/demo/radiogroup.md
index 2fad188dd4..659386814e 100644
--- a/components/radio/demo/radiogroup.md
+++ b/components/radio/demo/radiogroup.md
@@ -8,9 +8,9 @@ RadioGroup 组合。
 
 ````jsx
 var Radio = antd.Radio;
-var RadioGroup=antd.RadioGroup;
+var RadioGroup = antd.RadioGroup;
 
-var Group = React.createClass({
+var App = React.createClass({
   getInitialState: function () {
     return {
       selectedValue:"a"
@@ -25,15 +25,14 @@ var Group = React.createClass({
   render() {
     return<div>
       <RadioGroup onChange={this.onChange}>
-        <Radio value={"a"} checked={true}>A</Radio>
-        <Radio value={"b"} >B</Radio>
-        <Radio value={"c"} >C</Radio>
-        <Radio value={"d"} disabled={true}>D</Radio>
+        <Radio value="a" checked={true}>A</Radio>
+        <Radio value="b" >B</Radio>
+        <Radio value="c" >C</Radio>
+        <Radio value="d" disabled={true}>D</Radio>
       </RadioGroup>
       你选中的:&nbsp;&nbsp;{this.state.selectedValue}
     </div>
   }
 });
-React.render(<Group />, document.getElementById('components-radio-demo-radiogroup'));
-
+React.render(<App />, document.getElementById('components-radio-demo-radiogroup'));
 ````
diff --git a/components/radio/group.jsx b/components/radio/group.jsx
index eb81e205d5..aa143170be 100644
--- a/components/radio/group.jsx
+++ b/components/radio/group.jsx
@@ -26,14 +26,14 @@ var AntRadioGroup = React.createClass({
       if (radio.props) {
         return <Radio {...radio.props}
           onChange={self.onRadioChange}
-          checked = {self.state.selectedValue === radio.props.value}
+          checked={self.state.selectedValue === radio.props.value}
         />;
       }
       return radio;
     });
     return (
       <div className={props.prefixCls}>
-                {children}
+        {children}
       </div>
     );
   },
@@ -41,9 +41,10 @@ var AntRadioGroup = React.createClass({
     this.setState({
       selectedValue: ev.target.value
     });
-    this.props.onChange(ev);
+    if (typeof this.props.onChange === 'function') {
+      this.props.onChange(ev);
+    }
   }
 });
 
 module.exports = AntRadioGroup;
-
diff --git a/components/radio/index.jsx b/components/radio/index.jsx
index b66782798d..1f06a282a3 100644
--- a/components/radio/index.jsx
+++ b/components/radio/index.jsx
@@ -8,10 +8,9 @@ var AntRadio = React.createClass({
     };
   },
   render() {
-
     return (
       <label>
-        <Radio {...this.props} children={null}/>
+        <Radio {...this.props} children={null} />
         {this.props.children}
       </label>
     );
diff --git a/package.json b/package.json
index 07838ec1df..60f103999d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "antd",
-  "version": "0.7.0-beta2",
+  "version": "0.7.0-beta1",
   "title": "Ant Design",
   "description": "一个设计&前端框架",
   "homepage": "http://ant.design/",
diff --git a/style/components/radio.less b/style/components/radio.less
index 7fe9b62c2e..d51e7814a6 100644
--- a/style/components/radio.less
+++ b/style/components/radio.less
@@ -4,8 +4,8 @@
 @radioDuration: .3s;
 
 .@{radioGroupPrefixCls} {
-  & label{
-    margin-right: 10px;
+  label {
+    margin-right: 16px;
   }
 }