From f969670fd36cd0cbced768f89e16ab59d48f6661 Mon Sep 17 00:00:00 2001
From: tqliang <tqliang@chinaums.com>
Date: Fri, 13 Feb 2026 08:02:53 +0800
Subject: [PATCH] =?UTF-8?q?fix(trade):=20=E4=BF=AE=E5=A4=8D=E8=AE=A2?=
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- 将价格计算从使用原始价格改为使用支付价格
- 确保价格分配计算的准确性
- 解决因价格比例分配可能导致的计算误差问题
---
 .../service/price/calculator/TradePriceCalculatorHelper.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yudao-module-mall/yudao-module-trade-server/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradePriceCalculatorHelper.java b/yudao-module-mall/yudao-module-trade-server/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradePriceCalculatorHelper.java
index 0b24e2ea0..6585c9da2 100644
--- a/yudao-module-mall/yudao-module-trade-server/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradePriceCalculatorHelper.java
+++ b/yudao-module-mall/yudao-module-trade-server/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradePriceCalculatorHelper.java
@@ -258,7 +258,7 @@ public class TradePriceCalculatorHelper {
             TradeOrderItemDO orderItem = items.get(i);
             int partPrice;
             if (i < items.size() - 1) { // 减一的原因，是因为拆分时，如果按照比例，可能会出现.所以最后一个，使用反减
-                partPrice = (int) (price * (1.0D * orderItem.getPrice() / total));
+                partPrice = (int) (price * (1.0D * orderItem.getPayPrice() / total));
                 remainPrice -= partPrice;
             } else {
                 partPrice = remainPrice;