diff --git a/index.js b/index.js
index 9f14202..5f6ac36 100644
--- a/index.js
+++ b/index.js
@@ -62,6 +62,7 @@ export default class ScrollPicker extends Component {
             flex:1,
             backgroundColor:this.props.wrapperColor ||'#fafafa',
             overflow:'hidden',
+            alignItems: 'center',
         };
 
         let highlightStyle = {