diff --git a/src/WMS.Web.Domain/Services/InStockService.cs b/src/WMS.Web.Domain/Services/InStockService.cs
index 7fa16bfa..0251e001 100644
--- a/src/WMS.Web.Domain/Services/InStockService.cs
+++ b/src/WMS.Web.Domain/Services/InStockService.cs
@@ -874,7 +874,7 @@ namespace WMS.Web.Domain.Services
                     details = resPurchaseInStockDetails_result.Data;
 
                 //金蝶已有的单；进行金蝶不同操作处理：保存，提交，审核
-                var currentDet = details.Where(x => x.Qty == det.Qty).FirstOrDefault();
+                var currentDet = details.Where(x => x.Qty == det.Qty && x.OrderBillNo!=det.ErpSyncBillNo).FirstOrDefault();
                 if (currentDet != null)
                 {
                     var res = await this.QueryFirst(currentDet, erpDto.TargetFormId, entity.BillNo, det, sc_erpService);