diff --git a/components/slider/demo/input-number-slider.md b/components/slider/demo/input-number-slider.md
index a423550a3a..6b5387c946 100644
--- a/components/slider/demo/input-number-slider.md
+++ b/components/slider/demo/input-number-slider.md
@@ -27,7 +27,7 @@ var Test = React.createClass({
   	  	<div className="col-12 spacing">
 					<Slider min={1} max={20} onChange={this.onChange} value={this.state.inputValue}/>
 				</div>
-  	  	<div className="col-6">
+  	  	<div className="col-4">
 					<InputNumber min={1} max={20} value={this.state.inputValue} onChange={this.onChange} />
 				</div>
 	  	</div>