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Mall.Module.Product/OrderModule_Part.cs

@@ -5928,7 +5928,7 @@ namespace Mall.Module.Product
                 if (orderModel.MallBaseId == 1 && orderModel.FXCommission > 0 && orderModel.OriginalCostMoney > 0 && costMoney > orderModel.OriginalCostMoney && (orderModel.Unit_Price ?? 0) - orderModel.OriginalCostMoney > 0) {
                     //先计算 调高返佣后  应发佣金
                     decimal NewCommission = (orderModel.FXCommission / ((orderModel.Unit_Price ?? 0) - orderModel.OriginalCostMoney)) * ((orderModel.Unit_Price ?? 0) - costMoney);
-                    NewCommission -= (orderModel.DeductionCommission ?? 0);// 减去下单已抵扣的佣金
+                    NewCommission -= Math.Round((orderModel.DeductionCommission ?? 0) / (orderModel.Number ?? 1), 2, MidpointRounding.AwayFromZero);// 减去下单已抵扣的佣金 （这个佣金 需除以数量）
 
                     var trans = goods_OrderCommissionRepository.DbTransaction;
                     try