维修单支付，系统繁忙

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

@@ -641,7 +641,10 @@ public class StudentRepairServiceImpl extends BaseServiceImpl<Integer, StudentRe
         studentRepairDao.update(studentRepair);
 
         String channelType = "";
-        List<Integer> couponIdList = Arrays.stream(studentRepair.getCouponIds().split(",")).mapToInt(Integer::valueOf).boxed().collect(Collectors.toList());
+        List<Integer> couponIdList = new ArrayList<>();
+        if(StringUtils.isNotEmpty(studentRepair.getCouponIds())){
+            couponIdList = Arrays.stream(studentRepair.getCouponIds().split(",")).mapToInt(Integer::valueOf).boxed().collect(Collectors.toList());
+        }
         StudentPaymentOrder studentPaymentOrder = sysCouponCodeService.use(couponIdList,amount,true);
         amount = studentPaymentOrder.getActualAmount();
         studentPaymentOrder.setUserId(studentRepair.getStudentId());