diff --git a/hai-service/src/main/java/com/hai/service/impl/HighGasDiscountOilPriceServiceImpl.java b/hai-service/src/main/java/com/hai/service/impl/HighGasDiscountOilPriceServiceImpl.java
index f511f5ae..712185d7 100644
--- a/hai-service/src/main/java/com/hai/service/impl/HighGasDiscountOilPriceServiceImpl.java
+++ b/hai-service/src/main/java/com/hai/service/impl/HighGasDiscountOilPriceServiceImpl.java
@@ -198,11 +198,11 @@ public class HighGasDiscountOilPriceServiceImpl implements HighGasDiscountOilPri
             // 优惠价格  油站VIP价 * 系统折扣
             payPriceModel.setPricePreferences(priceVip.multiply(discount).setScale(2, BigDecimal.ROUND_HALF_UP));
 
-            // 每升优惠  国标价 - 优惠价格
-            payPriceModel.setLitersPreferences(payPriceModel.getPriceOfficial().subtract(payPriceModel.getPricePreferences()));
+            // 每升优惠  油站价 - 优惠价格
+            payPriceModel.setLitersPreferences(payPriceModel.getPriceGun().subtract(payPriceModel.getPricePreferences()));
 
             // 本次优惠  加油升数 * 每升优惠
-            payPriceModel.setTotalPreferences(payPriceModel.getOilLiters().multiply(payPriceModel.getLitersPreferences()).setScale(2, BigDecimal.ROUND_DOWN));
+            payPriceModel.setTotalPreferences(payPriceModel.getOilLiters().multiply(payPriceModel.getLitersPreferences()).setScale(2, BigDecimal.ROUND_HALF_UP));
 
             // 支付价格  加油金额 - 本次优惠
             payPriceModel.setPayPrice(oilingPrice.subtract(payPriceModel.getTotalPreferences()));