1、学生端报名缴费

2、学生端报名缴费订单
3、学生端退费规则
4、学生端回调
组合商品查询相应子商品列表

mec-biz/src/main/java/com/ym/mec/biz/service/impl/StudentPaymentOrderDetailServiceImpl.java

@@ -232,7 +232,7 @@ public class StudentPaymentOrderDetailServiceImpl extends BaseServiceImpl<Long,
                 }
             }
             if(StringUtils.isBlank(goods.getComplementGoodsIdList())) continue;
-            goods.setGoodsList(goodsService.findGoodsByIds(goodsIdsStr));
+            goods.setGoodsList(goodsService.findGoodsByIds(goods.getComplementGoodsIdList()));
         }
         return goodies;
     }