diff --git a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
index 225f2a9..ed04112 100644
--- a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
+++ b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
@@ -1034,7 +1034,7 @@ namespace BBWYB.Server.Business
             #endregion
 
             #region 计算采购单状态
-            orderPurchaseInfo.CalculationOrderState(fsql, orderPurchaseSkuList, purchaseExpressOrderList.ToList());
+            orderPurchaseInfo.CalculationOrderState(fsql, orderPurchaseSkuList, purchaseExpressOrderList);
             updateOrderPurchase = fsql.Update<OrderPurchaseInfo>(orderPurchaseInfo.Id)
                                       .Set(opi => opi.OrderState, orderPurchaseInfo.OrderState);
             #endregion