bug

gic-platform-enterprise-web/src/main/java/com/gic/enterprise/web/controller/BillingOrderController.java

@@ -84,7 +84,7 @@ public class BillingOrderController {
                         vo.setCouponCardVO(EntityUtil.changeEntityByJSON(BillingCouponCardVO.class, couponCardDTO));
                     }
                 }
-                if(dto.getPayType().intValue() == PayTypeEnum.OFFLINE_PAY.getCode()){
+                if(dto.getPayType() != null && dto.getPayType() == PayTypeEnum.OFFLINE_PAY.getCode()){
                     ServiceResponse<TransferAccountsApprovalDTO> byOrderNumber = this.transferAccountsApprovalApiService.
                             getByOrderNumber(dto.getSerialNumber());
                     if(byOrderNumber.isSuccess()){