修复价格负数bug

liquidnet-bus-service/liquidnet-service-goblin/liquidnet-service-goblin-impl/src/main/java/com/liquidnet/service/goblin/service/impl/GoblinOrderServiceImpl.java

@@ -227,7 +227,7 @@ public class GoblinOrderServiceImpl implements IGoblinOrderService {
             }
             //获得活动优惠价格
             priceBase = priceBase.multiply(BigDecimal.valueOf(skuParam.getNumber()));
-            price = price.subtract(BigDecimal.valueOf(skuParam.getNumber()));
+            price = price.multiply(BigDecimal.valueOf(skuParam.getNumber()));
             voucherMarket = voucherMarket.add(priceBase.subtract(price));
             storeTotalPrice = storeTotalPrice.add(price);
             //订单sku