diff --git a/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs b/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs
index e7c4df88..d11bd4a0 100644
--- a/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs
+++ b/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs
@@ -821,9 +821,9 @@ namespace BBWY.Server.Business
             var select = fsql.Select<PurchaseOrderV2, PurchaseAccount>().LeftJoin((po, pa) => po.PurchaseAccountId == pa.Id)
                                                                         .Where((po, pa) => po.ShopId == request.ShopId);
             if (!string.IsNullOrEmpty(request.PurchaseOrderId))
-            {
                 select = select.Where((po, pa) => po.Id == request.PurchaseOrderId);
-            }
+            else if (!string.IsNullOrEmpty(request.PurchaseOrderSn))
+                select = select.Where((po, pa) => po.OrderSn == request.PurchaseOrderSn);
             else
             {
                 if (!string.IsNullOrEmpty(request.Spu) || !string.IsNullOrEmpty(request.Sku))
diff --git a/BBWY.Server.Model/Dto/Request/PurchaseOrderV2/BatchPurchase/SearchPurchaseOrderV2Request.cs b/BBWY.Server.Model/Dto/Request/PurchaseOrderV2/BatchPurchase/SearchPurchaseOrderV2Request.cs
index 150700f8..ea66ed5b 100644
--- a/BBWY.Server.Model/Dto/Request/PurchaseOrderV2/BatchPurchase/SearchPurchaseOrderV2Request.cs
+++ b/BBWY.Server.Model/Dto/Request/PurchaseOrderV2/BatchPurchase/SearchPurchaseOrderV2Request.cs
@@ -9,6 +9,8 @@ namespace BBWY.Server.Model.Dto
         public string Spu { get; set; }
 
         public string PurchaseOrderId { get; set; }
+        
+        public string PurchaseOrderSn { get; set; }
 
         public long ShopId { get; set; }