还原误注释的代码。

@@ -49,7 +49,7 @@ export default class CategoryBList extends Component {
     }
 
     stopPullToRefresh() {
-        // this.refs.subCategoryList && this.refs.subCategoryList.getScrollResponder().stopPullToRefresh();
+        this.refs.subCategoryList && this.refs.subCategoryList.getScrollResponder().stopPullToRefresh();
     }
 
     subRenderRow(rowData, sectionID, rowID, highlightRow) {