diff --git a/BBWYB.Server.Business/Sync/OrderSyncBusiness.cs b/BBWYB.Server.Business/Sync/OrderSyncBusiness.cs
index 130d683..82a34ca 100644
--- a/BBWYB.Server.Business/Sync/OrderSyncBusiness.cs
+++ b/BBWYB.Server.Business/Sync/OrderSyncBusiness.cs
@@ -255,6 +255,7 @@ namespace BBWYB.Server.Business.Sync
                                                                     Id = idGenerator.NewLong(),
                                                                     CreateTme = DateTime.Now,
                                                                     OrderId = order.OrderId,
+                                                                    OrderSn = order.OrderSn,
                                                                     SkuId = osku.SkuId,
                                                                     TaskType = Enums.TimeLimitTaskType.采购任务,
                                                                     ShopId = shopId,
diff --git a/BBWYB.Server.Model/Db/TimeLimitTask/TimeLimitTask.cs b/BBWYB.Server.Model/Db/TimeLimitTask/TimeLimitTask.cs
index 0f324ae..d325eaf 100644
--- a/BBWYB.Server.Model/Db/TimeLimitTask/TimeLimitTask.cs
+++ b/BBWYB.Server.Model/Db/TimeLimitTask/TimeLimitTask.cs
@@ -49,6 +49,12 @@ namespace BBWYB.Server.Model.Db
         [Column(StringLength = 50)]
         public string OrderId { get; set; }
 
+        /// <summary>
+        /// 订单Sn (采购任务时有效)
+        /// </summary>
+        [Column(StringLength = 100)]
+        public string OrderSn { get; set; }
+
         /// <summary>
         /// 店铺Id
         /// </summary>