diff --git a/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs b/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs
index f98ab8fe..7d4c09d4 100644
--- a/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs
+++ b/BBWY.Server.Business/PurchaseOrderV2/BatchPurchase/BatchPurchaseBusiness.cs
@@ -570,6 +570,13 @@ namespace BBWY.Server.Business
                 }
             }
 
+            {
+                var groups = request.CargoParamGroupList.GroupBy(g => g.PurchaserId);
+                if (groups.Any(g => g.Count() > 1))
+                    throw new BusinessException("CargoParamGroupList存在重复的商家");
+            }
+
+
             var shop = freeSqlMultiDBManager.MDSfsql.Select<Shops>().Where(s => s.ShopId == request.ShopId.ToString()).ToOne();
             if (shop == null)
                 throw new BusinessException("无效的店铺Id");