采购订单批次为空，未获取到订单行赋空值

be/Hosts/WmsPda.Host/Win_in.Sfs.Wms.Pda.Host/Controllers/Stores/PurchaseReturnNoteController.cs

@@ -147,7 +147,7 @@ public class PurchaseReturnNoteController : AbpController
     {
         var po = await _purchaseOrderAppService.GetListByNumberAndItemCodeAsync(poNumber, createInputDetail.ItemCode).ConfigureAwait(false);
         Check.NotNull(po, nameof(PurchaseOrderDTO));
-        var detail =  po.Details.FirstOrDefault(r => r.ItemCode == createInputDetail.ItemCode && r.Lot== createInputDetail.Lot);
+        var detail =  po.Details.FirstOrDefault(r => r.ItemCode == createInputDetail.ItemCode);
         Check.NotNull(detail, nameof(PurchaseOrderDetailDTO));
         createInputDetail.PoLine = detail.PoLine;
     }