采购验退单不关联订单展示物料信息，主要是无Po验退单没有订单，无法关联出产品信息

git-svn-id: svn+ssh://10.10.101.21/source/platform/platform-b2b@2961 f3bf4e98-0cf0-11e4-a00c-a99a8b9d557d

src/main/webapp/resources/tpl/index/sale/returns.html

@@ -237,10 +237,10 @@
 		<tr class="order-bd" ng-repeat="item in returns.returnItems">
 			<td class="product">
 				<div class="text-num text-bold">
-					<a ng-bind="::item.orderItem.product.code"></a>
+					<a ng-bind="::item.product.code"></a>
 				</div>
 				<div>
-					<a ng-bind="::item.orderItem.product.title"></a>
+					<a ng-bind="::item.product.title"></a>
 				</div>
 				<div class="text-muted" title="{{::item.orderItem.product.spec}}"
 					ng-bind="::item.orderItem.product.spec"></div>
@@ -251,9 +251,9 @@
 					<span ng-bind="::currency(returns.currency)"></span><span ng-bind="::item.orderPrice | number:6"></span>
 				</div>
 				<div class="text-muted"
-					title="{{item.orderItem.taxrate}}%">
+					title="{{item.taxrate}}%">
 					<br>
-					税率：<span ng-bind="::item.orderItem.taxrate + '%'" class="text-num"></span>
+					税率：<span ng-bind="::item.taxrate + '%'" class="text-num"></span>
 				</div>
 			</td>
 			<td class="text-center">