sunyu::update::update about combox product price calculate

.gitignore

 # Created by .ignore support plugin (hsz.mobi)
 .gitignore
 .idea/
+.DS_Store
 assortment-ordercenter-sdk/assortment-ordercenter-sdk.iml
 assortment-ordercenter-sdk/target/
 assortment-shoppingcart-sdk/assortment-shoppingcart-sdk.iml

shopping-cart-application-service/src/main/java/cn/freemud/service/impl/mcoffee/calculation/SetMealCalculation.java

@@ -86,7 +86,8 @@ public class SetMealCalculation {
 
             cartGoods.setOriginalAmount(productGroupTotalAmount + productComboTotalAmount + materialPrice);
             cartGoods.setOriginalPrice(productComboTotalAmount);
-            Long amount = null != cartGoods.getAmount() ? cartGoods.getAmount() : productGroupTotalAmount + productComboTotalAmount + materialPrice;
+            Long amount = null != cartGoods.getAmount() ? cartGoods.getAmount() + productComboTotalAmount + materialPrice :
+                    productGroupTotalAmount + productComboTotalAmount + materialPrice;
             cartGoods.setAmount(amount);
             cartGoods.setFinalPrice(productComboTotalAmount);