Merge remote-tracking branch 'origin/release/5.1' into release/5.1

@@ -624,6 +624,7 @@ let getProductData = (data) => {
                 finalResult.isStudent = data.isStudent;
                 Object.assign(finalResult.feedbacks, info[2]);
                 Object.assign(finalResult, {isSecKill: result.isSecKill});
+                finalResult.goodsPrice.previousPrice = '¥' + result.marketPrice;
 
                 /* 预售商品不能购买 */
                 if (_.get(result, 'isDepositAdvance', '') === 'Y') {