diff --git a/jsowell-pile/src/main/java/com/jsowell/pile/service/programlogic/DelayMerchantProgramLogic.java b/jsowell-pile/src/main/java/com/jsowell/pile/service/programlogic/DelayMerchantProgramLogic.java
index 69acdb763..71234829e 100644
--- a/jsowell-pile/src/main/java/com/jsowell/pile/service/programlogic/DelayMerchantProgramLogic.java
+++ b/jsowell-pile/src/main/java/com/jsowell/pile/service/programlogic/DelayMerchantProgramLogic.java
@@ -617,8 +617,10 @@ public class DelayMerchantProgramLogic extends AbstractProgramLogic {
             giftPay = giftPayRecordList.stream().map(OrderPayRecord::getPayAmount).reduce(BigDecimal.ZERO, BigDecimal::add);
         }
 
+        BigDecimal discountAmount = orderBasicInfo.getDiscountAmount() == null ? BigDecimal.ZERO : orderBasicInfo.getDiscountAmount();
+
         // 计算需要退回的金额
-        Map<String, BigDecimal> returnAmountMap = calculateReturnAmount(principalPay, giftPay, orderAmount, orderBasicInfo.getDiscountAmount());
+        Map<String, BigDecimal> returnAmountMap = calculateReturnAmount(principalPay, giftPay, orderAmount, discountAmount);
         logger.info("结算订单:{}, 剩余金额退回余额, 订单消费金额:{}, 本金支付金额:{}, 赠送支付金额:{}, 退回金额map:{}",
                 orderCode, orderAmount, principalPay, null, JSONObject.toJSONString(returnAmountMap));