add merchantPrice of pakcageProductVo

rankin-data-api/src/main/java/cn/rankin/data/api/product/vo/PackageProductVo.java

@@ -25,6 +25,8 @@ public class PackageProductVo implements Serializable {
 
     private BigDecimal cpPrice;
 
+    private BigDecimal merchantPrice;
+
     private BaseStatusEnum status;
 
     private Date gmtCreated;