diff --git a/src/WMS.Web.Api/wwwroot/WMS.Web.Domain.xml b/src/WMS.Web.Api/wwwroot/WMS.Web.Domain.xml
index 941ad972..533d3f79 100644
--- a/src/WMS.Web.Api/wwwroot/WMS.Web.Domain.xml
+++ b/src/WMS.Web.Api/wwwroot/WMS.Web.Domain.xml
@@ -836,11 +836,6 @@
             单据编号
             </summary>
         </member>
-        <member name="P:WMS.Web.Domain.Entitys.OutStock.SourceBillNo">
-             <summary>
-             来源单号
-            </summary> 
-        </member>
         <member name="P:WMS.Web.Domain.Entitys.OutStock.Type">
             <summary>
             单据类型
@@ -923,11 +918,16 @@
             单据头Id
             </summary>
         </member>
-        <member name="P:WMS.Web.Domain.Entitys.OutStockDetails.SaleBillNo">
+        <member name="P:WMS.Web.Domain.Entitys.OutStockDetails.SaleBillNos">
              <summary>
              销售订单号
             </summary> 
         </member>
+        <member name="P:WMS.Web.Domain.Entitys.OutStockDetails.SourceBillNos">
+             <summary>
+             来源单号
+            </summary> 
+        </member>
         <member name="P:WMS.Web.Domain.Entitys.OutStockDetails.MaterialId">
              <summary>
              物料Id
@@ -1059,7 +1059,7 @@
              来源单号(合并后有多个)
             </summary> 
         </member>
-        <member name="P:WMS.Web.Domain.Entitys.OutStockTaskDetails.SaleBillNo">
+        <member name="P:WMS.Web.Domain.Entitys.OutStockTaskDetails.SaleBillNos">
              <summary>
              销售订单号
             </summary> 
diff --git a/src/WMS.Web.Domain/Entitys/OutStockTask.cs b/src/WMS.Web.Domain/Entitys/OutStockTask.cs
index 9792ab26..9ce17525 100644
--- a/src/WMS.Web.Domain/Entitys/OutStockTask.cs
+++ b/src/WMS.Web.Domain/Entitys/OutStockTask.cs
@@ -4,6 +4,7 @@ using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
 using System.Text;
 using WMS.Web.Core;
+using WMS.Web.Core.Help;
 using WMS.Web.Core.Internal.Results;
 using WMS.Web.Domain.Values;
 
@@ -148,27 +149,36 @@ namespace WMS.Web.Domain.Entitys
         /// <returns></returns>
         public Result Merge(List<OutStockTask> list, int creatorId)
         {
+            if (list.Count() <= 1) return Result.ReFailure(ResultCodes.MergeNumberError);
             // 符合合并数据逻辑:出库状态为”待拣货”+出库类型为:销售出库+发货组织一致+收货客户一致+发货仓库一致
             if (list.Where(w => w.Status != OutStockStatus.Wait).Any()) return Result.ReFailure(ResultCodes.MergeStatusError);
             if (list.Where(w => w.Type != OutStockType.Sal).Any()) return Result.ReFailure(ResultCodes.MergeStatusError);
             if (list.GroupBy(g => g.DeliveryOrgId).Count() > 1) return Result.ReFailure(ResultCodes.MergeStatusError);
             if (list.GroupBy(g => g.ReceiptCustomerId).Count() > 1) return Result.ReFailure(ResultCodes.MergeStatusError);
-
             var details = list.SelectMany(s => s.Details).ToList();
-
             if (details.GroupBy(g => g.StockCode).Count() > 1) return Result.ReFailure(ResultCodes.MergeStatusError);
+            List<OutStockTaskDetails> details_new = new List<OutStockTaskDetails>();
 
             //清空数据绑定
             foreach (var d in details)
             {
                 d.Id = 0;
                 d.Fid = 0;
+                var detail_new = details_new.FirstOrDefault(f => f.MaterialId == d.MaterialId);
+                if (detail_new != null)
+                {
+                    detail_new.AccruedQty += d.AccruedQty;//应出数量累加
+                    detail_new.SaleBillNos.AddRange(d.SaleBillNos);
+                    detail_new.SourceBillNos.AddRange(d.SourceBillNos);
+                }
+                else
+                    details_new.Add(d);
             }
             this.OperatorId = creatorId;
             this.OperateTime = DateTime.Now;
             this.Status = OutStockStatus.Wait;
             this.Type = OutStockType.Sal;
-            this.Details = details;
+            this.Details = details_new;
 
             return Result.ReSuccess();
         }
diff --git a/src/WMS.Web.Domain/Values/ResultCodes.cs b/src/WMS.Web.Domain/Values/ResultCodes.cs
index 4a350ead..66a1e945 100644
--- a/src/WMS.Web.Domain/Values/ResultCodes.cs
+++ b/src/WMS.Web.Domain/Values/ResultCodes.cs
@@ -29,6 +29,7 @@ namespace WMS.Web.Domain.Values
         public static ValueTuple<int, string> OutStockMaterialError = (70003, "出库物料在任务单中不存在");
         public static ValueTuple<int, string> OutStockTaskAlready = (70004, "任务单已全部出库");
         public static ValueTuple<int, string> OutStockTaskRepeal = (70005, "任务单已作废");
+        public static ValueTuple<int, string> MergeNumberError = (70006, "必须选择两个及以上的单合并");
 
         public static ValueTuple<int, string> BoxNoData = (80000, "箱信息不存在");
         public static ValueTuple<int, string> BoxMateriaNoData = (800010, "箱对应物料信息不存在");