add 资源 review by hongmo

@@ -66,6 +66,9 @@ export default class GoodsGroupHeader extends React.Component {
 		if (!list || list.size == 0) {
 			return null;
 		}
+
+        let  n = ((Math.ceil(this.selectedIndex)+1) *2 - 1)*10 + (itemW-20) * ((Math.ceil(this.selectedIndex)+1) - 0.5) - 8;
+
 		let scrollEnabled = list.size > 5?true:false;
         return (
             <View style={[styles.container]}>
@@ -77,6 +80,8 @@ export default class GoodsGroupHeader extends React.Component {
                     scrollEnabled={scrollEnabled}
                     scrollsToTop={false}
                 />
+                <Image source={require('../../image/global_arrow_up.png')} style={{marginLeft: n,width: 16,height: 9,backgroundColor: 'transparent'}}></Image>
+                <View style={{width: width,height: 1,backgroundColor: '#e5e5e5',}}/>
             </View>
         );
     }