修改卖家详情页点击查看产品失效的问题

src/main/webapp/resources/view/vendor/forstore/purchase_detail.html

@@ -401,7 +401,7 @@
 					</dd>
 					</div>
 					<div class="open-more row" ng-class="{'none': purchase.purchaseDetails.length < 3}">
-						<a href="javascript:void(0)" ng-click="$open=!open" ng-class="{'active': open}">
+						<a href="javascript:void(0)" ng-click="open=!open" ng-class="{'active': open}">
 							<em ng-bind="open ? '收起' : '查看所有产品'"></em>
 							<i class="fa fa-angle-up" ng-if="open"></i>
 							<i class="fa fa-angle-down" ng-if="!open"></i>