修复新品到着tab切换不刷新的问题。review by 孙凯

@@ -30,8 +30,8 @@ export default class NewArrivalCell extends Component {
 
     shouldComponentUpdate(nextProps){
         if (Immutable.is(nextProps.rowData, this.props.rowData)
-            && nextProps.index, this.props.index
-            && nextProps.similarIndex, this.props.similarIndex) {
+            && nextProps.index == this.props.index
+            && nextProps.similarIndex == this.props.similarIndex) {
             return false;
         } else {
             return true;