fix: 修复采购验退单物料规格不显示的问题

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

@@ -237,8 +237,8 @@
 					<div>
 						<span ng-bind="::item.product.title"></span>
 					</div>
-					<div class="text-muted" title="{{::item.product.title}}"
-						ng-bind="::item.product.title"></div>
+					<div class="text-muted" title="{{::item.product.spec}}"
+						ng-bind="::item.product.spec"></div>
 					<div class="text-bold text-inverse" title="送货工厂"
 						ng-if="item.orderItem.factory">
 						送货工厂：<span ng-bind="::item.orderItem.factory"></span>