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 0ed526f4..83a25ec2 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
@@ -2821,7 +2821,12 @@ public class TbShopTableServiceImpl implements TbShopTableService {
                 if (oldOrderInfo.getRefundAmount() == null) {
                     oldOrderInfo.setRefundAmount(BigDecimal.ZERO);
                 }
-                returnAmount = returnAmount.add(oldOrderInfo.getPayAmount().subtract(oldOrderInfo.getRefundAmount()).multiply(ratio));
+
+                if (ratio.compareTo(BigDecimal.ONE) == 0) {
+                    returnAmount = oldOrderInfo.getPayAmount().subtract(oldOrderInfo.getRefundAmount());
+                }else {
+                    returnAmount = returnAmount.add(oldOrderInfo.getPayAmount().subtract(oldOrderInfo.getRefundAmount()).multiply(ratio));
+                }
                 saleAmount = saleAmount.add(orderDetail.getPrice());
                 packAMount = packAMount.add(orderDetail.getPackAmount()
                         .divide(orderDetail.getNum(), 8, RoundingMode.HALF_UP)
@@ -2838,6 +2843,7 @@ public class TbShopTableServiceImpl implements TbShopTableService {
                         .divide(orderDetail.getNum(), 8, RoundingMode.HALF_UP)
                         .multiply(returnNum)).setScale(2, RoundingMode.HALF_UP);
             }
+            returnAmount = returnAmount.setScale(2, RoundingMode.DOWN);
 
             orderDetail.setNum(returnNum);
             orderDetail.setPriceAmount(currentDetailAMount);
@@ -2904,6 +2910,9 @@ public class TbShopTableServiceImpl implements TbShopTableService {
                 totalAmount = totalAmount.add(item.getPriceAmount());
             }
         }
+        if (orderDetail.getPriceAmount().compareTo(totalAmount) == 0) {
+            return BigDecimal.ONE;
+        }
 
         return orderDetail.getPriceAmount().divide(totalAmount, 10, RoundingMode.DOWN)
                 .divide(orderDetail.getNum(), 10, RoundingMode.DOWN).multiply(returnNum).setScale(2, RoundingMode.DOWN);