修改高度

@@ -28,8 +28,7 @@ export default class Focus extends React.Component {
 
     render() {
         let {data} = this.props;
-        let sliderHeight = Math.ceil(this.props.height * DEVICE_WIDTH_RATIO);
-
+        let sliderHeight = this.props.height;
         return (
             <View style={{height:sliderHeight, width:width}}>
                 <ImageSlider