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 4b4b54b1..fec306fa 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
@@ -2122,7 +2122,7 @@ public class TbShopTableServiceImpl implements TbShopTableService {
         returnCoupon(orderInfo, true);
 
         // 设置折扣比例
-        orderInfo.setDiscountRatio(payDTO.getDiscount().setScale(4, RoundingMode.DOWN));
+        orderInfo.setDiscountRatio(payDTO.getDiscount().setScale(4, RoundingMode.HALF_DOWN));
 
         Set<String> productIdSet = new HashSet<>();
         List<TbCashierCart> cashierCarts = mpCashierCartService.selectByOrderIdAndState(orderInfo.getId());
@@ -2194,7 +2194,7 @@ public class TbShopTableServiceImpl implements TbShopTableService {
     private BigDecimal resetAmountByDiscount(PayDTO payDTO, TbOrderInfo orderInfo) {
         List<TbCashierCart> cashierCarts = mpCashierCartService.selectByOrderIdAndState(orderInfo.getId());
         List<TbOrderDetail> detailList = mpOrderDetailService.selectByOrderId(orderInfo.getId());
-        BigDecimal discount = payDTO.getDiscount().setScale(4, RoundingMode.DOWN);
+        BigDecimal discount = payDTO.getDiscount().setScale(4, RoundingMode.HALF_DOWN);
         BigDecimal totalAmount = BigDecimal.ZERO;
         for (TbCashierCart cashierCart : cashierCarts) {
             if (cashierCart.getUserCouponId() == null) {
@@ -2811,7 +2811,7 @@ public class TbShopTableServiceImpl implements TbShopTableService {
                 // 计算当前商品占比
                 BigDecimal ratio = calcDetailRatio(orderDetail, returnNum);
                 currentDetailAMount = orderDetail.getPriceAmount().divide(orderDetail.getNum(), 8, RoundingMode.HALF_UP)
-                        .multiply(returnNum).setScale(2, RoundingMode.DOWN);
+                        .multiply(returnNum).setScale(2, RoundingMode.HALF_DOWN);
                 if (oldOrderInfo.getRefundAmount() == null) {
                     oldOrderInfo.setRefundAmount(BigDecimal.ZERO);
                 }
@@ -2842,7 +2842,7 @@ public class TbShopTableServiceImpl implements TbShopTableService {
                             .multiply(returnNum)).setScale(2, RoundingMode.HALF_UP);
                 }
             }
-            returnAmount = returnAmount.setScale(2, RoundingMode.DOWN);
+            returnAmount = returnAmount.setScale(2, RoundingMode.HALF_DOWN);
 
             if (remainNum.compareTo(BigDecimal.ZERO) > 0) {
                 // 单个打包费
@@ -2924,8 +2924,8 @@ public class TbShopTableServiceImpl implements TbShopTableService {
             return BigDecimal.ONE;
         }
 
-        return orderDetail.getPriceAmount().divide(totalAmount, 10, RoundingMode.DOWN)
-                .divide(orderDetail.getNum(), 10, RoundingMode.DOWN).multiply(returnNum).setScale(2, RoundingMode.DOWN);
+        return orderDetail.getPriceAmount().divide(totalAmount, 10, RoundingMode.HALF_DOWN)
+                .divide(orderDetail.getNum(), 10, RoundingMode.HALF_DOWN).multiply(returnNum).setScale(2, RoundingMode.HALF_DOWN);
     }
 
     private void updateStockAndRecord(List<TbOrderDetail> orderDetailList) {