diff --git a/BWP.B3_YunKen/TypeIoc/SaleOutStoreSetFreightPriceIOC.cs b/BWP.B3_YunKen/TypeIoc/SaleOutStoreSetFreightPriceIOC.cs
index cb4a48c..89484d1 100644
--- a/BWP.B3_YunKen/TypeIoc/SaleOutStoreSetFreightPriceIOC.cs
+++ b/BWP.B3_YunKen/TypeIoc/SaleOutStoreSetFreightPriceIOC.cs
@@ -23,20 +23,24 @@ namespace BWP.B3_YunKen.TypeIoc
 
     public void Invoke(CustomerAccept entity, SaleOutStore dmo, System.Collections.Generic.IEnumerable<SaleOutStore_Detail> details, IDmoSession session)
     {
+      entity.FreightPayment = dmo.FreightPayment;
       var anyNum = details.Sum(x => (x.UnitNum ?? 0).Value);
       var anyFre = dmo.FreightUnitPrice * anyNum;
       if (entity.FreightPayment == 运费支付方式.计重) {
         entity.FreightPrice = anyFre;
       } else if (entity.FreightPayment == 运费支付方式.包车) {
-        var alreadyUnitNum = GetAlreadyAcceptUnitNum(dmo,session);
-        if ((alreadyUnitNum + anyNum) >= dmo.AllUnitNum) {
-          entity.FreightPrice = dmo.FreightPrice - (anyFre ?? 0);
+        var alreadyUnitNum = GetAlreadyAcceptUnitNum(dmo, session);
+        if (alreadyUnitNum > 0) {
+          if ((alreadyUnitNum + anyNum) >= dmo.AllUnitNum) {
+            entity.FreightPrice = dmo.FreightPrice - ((dmo.FreightUnitPrice??0).Value * alreadyUnitNum);
+          }
+        } else if (anyNum >= dmo.AllUnitNum) {
+          entity.FreightPrice = dmo.FreightPrice;
         } else {
           entity.FreightPrice = anyFre;
         }
       }
       entity.FreightUnitPrice = dmo.FreightUnitPrice;
-      entity.FreightPayment = dmo.FreightPayment;
     }
   }
 }