diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
index cd3a9dd..8ea479a 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
@@ -1923,6 +1923,7 @@ public class PayService {
                 return Result.fail(CodeEnum.ORDERNOEXIST);
             }
             if (StrUtil.isNotBlank(remark)) {
+                orderInfo.setDiscountAmount(orderInfo.getOrderAmount().subtract(amount));
                 orderInfo.setRemark(remark);
                 tbOrderInfoMapper.updateByPrimaryKey(orderInfo);
             }
@@ -1940,6 +1941,7 @@ public class PayService {
             orderInfo.setPayType(payType);
             orderInfo.setPayAmount(amount);
             orderInfo.setOrderAmount(amount);
+            orderInfo.setDiscountAmount(BigDecimal.ZERO);
             orderInfo.setSendType("QR");
             orderInfo.setStatus("WAIT_PAY");
             orderInfo.setMerchantId(shopInfo.getMerchantId());
@@ -1983,7 +1985,7 @@ public class PayService {
 
         String reqbody = "店铺收款码";
         PublicResp<JspayResp> publicResp = thirdPayService.jspay(url, thirdApply.getAppId(), thirdApply.getAppToken(),
-                reqbody, reqbody, orderInfo.getOrderAmount().multiply(new BigDecimal(100)).longValue(),
+                reqbody, reqbody, amount.multiply(new BigDecimal(100)).longValue(),
                 payType, thirdApply.getSmallAppid(), userId, ip,
                 DateUtils.getSsdfTimes(), thirdApply.getStoreId(), backUrl, backUrl);