diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/entity/TbCashierCart.java b/src/main/java/com/chaozhanggui/system/cashierservice/entity/TbCashierCart.java
index f05df71..8d778c6 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/entity/TbCashierCart.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/entity/TbCashierCart.java
@@ -115,7 +115,7 @@ public class TbCashierCart implements Serializable {
             } else {
                 subtract = salePrice.subtract(discountSaleAmount);
             }
-            totalAmount = totalNumber.multiply(subtract.compareTo(BigDecimal.ZERO) < 0 ? BigDecimal.ZERO : subtract).add(packFee);
+            totalAmount = totalNumber.multiply(subtract.compareTo(BigDecimal.ZERO) < 0 ? BigDecimal.ZERO : subtract).add(packFee).setScale(2, RoundingMode.DOWN);
         }
     }
 
@@ -140,11 +140,11 @@ public class TbCashierCart implements Serializable {
             BigDecimal subtract;
             if (isMember != null && isMember == 1 && memberPrice != null && memberPrice.compareTo(BigDecimal.ZERO) > 0) {
                 subtract = memberPrice.subtract(discountSaleAmount);
-                totalAmount = totalNumber.multiply(subtract).add(packFee).multiply(discountRadio).setScale(2, RoundingMode.HALF_UP);
+                totalAmount = totalNumber.multiply(subtract).add(packFee).multiply(discountRadio).setScale(2, RoundingMode.DOWN);
             } else {
                 subtract = salePrice.subtract(discountSaleAmount);
                 totalAmount = totalNumber.multiply(subtract)
-                        .add(packFee).multiply(discountRadio).setScale(2, RoundingMode.HALF_UP);
+                        .add(packFee).multiply(discountRadio).setScale(2, RoundingMode.DOWN);
             }
         }
     }
@@ -165,9 +165,9 @@ public class TbCashierCart implements Serializable {
         }
 
         if (isMember != null && isMember == 1 && memberPrice != null && memberPrice.compareTo(BigDecimal.ZERO) > 0) {
-            return num.multiply(memberPrice).multiply(discountRadio).add(packFee).setScale(2, RoundingMode.HALF_UP);
+            return num.multiply(memberPrice).multiply(discountRadio).add(packFee).setScale(2, RoundingMode.DOWN);
         }else {
-            return num.multiply(discountSaleAmount != null ? discountSaleAmount : salePrice).add(packFee).multiply(discountRadio).setScale(2, RoundingMode.HALF_UP);
+            return num.multiply(discountSaleAmount != null ? discountSaleAmount : salePrice).add(packFee).multiply(discountRadio).setScale(2, RoundingMode.DOWN);
         }
 //        if (isMember != null && isMember == 1 && memberPrice != null && memberPrice.compareTo(BigDecimal.ZERO) > 0) {
 //            return num.multiply(memberPrice);