diff --git a/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java b/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java
index 81a7f4f3..3c9376e9 100644
--- a/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java
+++ b/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java
@@ -2275,11 +2275,11 @@ public class TbShopTableServiceImpl implements TbShopTableService {
         List<TbCashierCart> cashierCarts = mpCashierCartService.selectByOrderIdAndState(orderInfo.getId());
         List<TbOrderDetail> detailList = mpOrderDetailService.selectByOrderId(orderInfo.getId());
         BigDecimal discount = payDTO.getDiscount().setScale(4, RoundingMode.HALF_DOWN);
-        BigDecimal totalAmount = BigDecimal.ZERO;
+        BigDecimal sumTotalAmount = cashierCarts.stream().map(TbCashierCart::getTotalAmount).reduce(BigDecimal.ZERO, BigDecimal::add);
+        BigDecimal totalAmount = NumberUtil.mul(sumTotalAmount, discount).setScale(2, RoundingMode.HALF_UP);
         for (TbCashierCart cashierCart : cashierCarts) {
             if (cashierCart.getUserCouponId() == null) {
-                cashierCart.setTotalAmount(cashierCart.getTotalAmount().multiply(discount).setScale(2, RoundingMode.HALF_UP));
-                totalAmount = NumberUtil.add(totalAmount, cashierCart.getTotalAmount());
+                cashierCart.setTotalAmount(cashierCart.getTotalAmount().multiply(discount).setScale(2, RoundingMode.HALF_EVEN));
             }
 //            item.setSalePrice(item.getSalePrice().multiply(discount).setScale(2, RoundingMode.HALF_UP));
 //            item.setMemberPrice(item.getMemberPrice().multiply(discount).setScale(2, RoundingMode.HALF_UP));
@@ -2287,7 +2287,7 @@ public class TbShopTableServiceImpl implements TbShopTableService {
         }
 
         detailList.forEach(item -> {
-            item.setPriceAmount(item.getPriceAmount().multiply(discount).setScale(2, RoundingMode.HALF_UP));
+            item.setPriceAmount(item.getPriceAmount().multiply(discount).setScale(2, RoundingMode.HALF_EVEN));
 //            item.setPrice(item.getPrice().multiply(discount).setScale(2, RoundingMode.HALF_UP));
 //            item.setMemberPrice(item.getMemberPrice().multiply(discount).setScale(2, RoundingMode.HALF_UP));
         });