'折扣专场封面图修改'

@@ -83,7 +83,7 @@ exports.handleSaleActivityData = (origin, channel) => {
     _.forEach(origin, function(value, key) {
         let activity = {
             link: helpers.urlFormat('/product/sale/discount/detail', {id: value.id, channel: channel}),
-            img: value.cover_url,
+            img: value.web_cover_url,
             time: processTime(parseInt(value.left_time, 10) * 1000),
             brand: value.logo_url,
             title: value.title