对接促销算价Alpha->fix 固定搭配组

shopping-cart-application-service/src/main/java/cn/freemud/service/impl/calculate/CalculationCommonService.java

@@ -452,6 +452,7 @@ public class CalculationCommonService {
             com.setExtraList(cartGoodsExtras);
             if (isFixed) {
                 com.setOriginalPrice(comb.getFinalPrice());
+                com.setQty(comb.getQty());
             } else {
                 com.setQty(comb.getQty() * cartGoods.getQty());
                 com.setOriginalPrice(comb.getFinalPrice());