feat：12月活动

mec-student/src/main/java/com/ym/mec/student/controller/StudentOrderController.java

@@ -136,8 +136,10 @@ public class StudentOrderController extends BaseController {
             VipBuyResultDto vipBuyResultInfo = vipGroupService.findVipBuyResultInfo(Integer.valueOf(orderByOrderNo.getMusicGroupId()));
             orderDetail.put("detail", vipBuyResultInfo);
         } else if (orderByOrderNo.getGroupType().equals(GroupType.SPORADIC)) {
-            SporadicChargeInfo info = sporadicChargeInfoService.get(Integer.valueOf(orderByOrderNo.getMusicGroupId()));
-            orderDetail.put("detail", info);
+            if(Objects.nonNull(orderByOrderNo.getMusicGroupId())){
+                SporadicChargeInfo info = sporadicChargeInfoService.get(Integer.valueOf(orderByOrderNo.getMusicGroupId()));
+                orderDetail.put("detail", info);
+            }
             if (orderByOrderNo.getType().equals(OrderTypeEnum.DOUBLE_ELEVEN2020)) {
                 LuckDrawCount luckDrawCount = luckDrawCountService.get(orderByOrderNo.getUserId().longValue());
                 orderDetail.put("drawTimes", luckDrawCount==null? 0: luckDrawCount.getAvailableCount());