diff --git a/components/input-number/demo/basic.md b/components/input-number/demo/basic.md
index e71dcc1750..c5c21f50ea 100644
--- a/components/input-number/demo/basic.md
+++ b/components/input-number/demo/basic.md
@@ -9,30 +9,12 @@
 ````jsx
 var InputNumber = antd.InputNumber;
 
-function onChange(v){
-  console.log('changed',v);
+function onChange(value) {
+  console.log('changed', value);
 }
 
-var Test = React.createClass({
-  getInitialState(){
-    return {
-      disabled:false
-    };
-  },
-  toggle(){
-    this.setState({
-      disabled:!this.state.disabled
-    });
-  },
-  render(){
-    return <div>
-             <InputNumber min={1} max={10} disabled={this.state.disabled} defaultValue={3} onChange={onChange} style={{width:100}}/>
-             &nbsp;&nbsp;&nbsp;
-             <button onClick={this.toggle} className="ant-btn ant-btn-primary"> toggle disabled</button>
-           </div>;
-  }
-});
-
-React.render(<Test />, document.getElementById('components-input-number-demo-basic'));
+React.render(
+<InputNumber min={1} max={10} defaultValue={3} onChange={onChange} style={{width:100}} />
+, document.getElementById('components-input-number-demo-basic'));
 ````
 
diff --git a/components/input-number/demo/disabled.md b/components/input-number/demo/disabled.md
new file mode 100644
index 0000000000..dac631284d
--- /dev/null
+++ b/components/input-number/demo/disabled.md
@@ -0,0 +1,34 @@
+# 不可用
+
+- order: 0
+
+点击按钮切换可用状态。
+
+---
+
+````jsx
+var InputNumber = antd.InputNumber;
+
+var Test = React.createClass({
+  getInitialState() {
+    return {
+      disabled:false
+    };
+  },
+  toggle() {
+    this.setState({
+      disabled: !this.state.disabled
+    });
+  },
+  render() {
+    return <div>
+      <InputNumber min={1} max={10} disabled={this.state.disabled} defaultValue={3} style={{width:100}} />
+      <br />
+      <br />
+      <button onClick={this.toggle} className="ant-btn ant-btn-primary">Toggle disabled</button>
+    </div>;
+  }
+});
+
+React.render(<Test />, document.getElementById('components-input-number-demo-disabled'));
+````
diff --git a/components/input-number/index.jsx b/components/input-number/index.jsx
index de1f043bf6..2c7579c0ad 100644
--- a/components/input-number/index.jsx
+++ b/components/input-number/index.jsx
@@ -8,7 +8,7 @@ var AntInputNumber = React.createClass({
     };
   },
   render() {
-    return <InputNumber {...this.props}/>;
+    return <InputNumber {...this.props} />;
   }
 });