diff --git a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
index 10e787c..ba1e15e 100644
--- a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
+++ b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
@@ -552,7 +552,7 @@ namespace BBWYB.Server.Business
                         {
                             var update = fsql.Update<PurchaseSchemeProductSku>()
                                              .Set(pss => pss.LastPurchasePriceCost, createOrderItem.Price)
-                                             .Where(pss => pss.SkuId == cargoParam.SkuId && pss.SkuPurchaseSchemeId == cargoParam.SchemeId);
+                                             .Where(pss => pss.PurchaseSkuId == cargoParam.SkuId && pss.SkuPurchaseSchemeId == cargoParam.SchemeId);
                             updatePssList.Add(update);
                         }
                     }