diff --git a/src/WMS.Web.Domain/Services/BoxInventoryService.cs b/src/WMS.Web.Domain/Services/BoxInventoryService.cs
index 035e9239..78585889 100644
--- a/src/WMS.Web.Domain/Services/BoxInventoryService.cs
+++ b/src/WMS.Web.Domain/Services/BoxInventoryService.cs
@@ -264,6 +264,8 @@ namespace WMS.Web.Domain.Services
                 }
             });
 
+            var serial= generateDtoList.SelectMany(x => x.Details).SelectMany(x => x.SerialNumbers).ToList();
+            _logger.LogInformation("出入库回退上下架：开始的序列号：" + JsonConvert.SerializeObject(serial));
             //4.提交处理
             var result = await this.ExeBackBox(generateDtoList, isTransaction);
             if (!result.IsSuccess)
@@ -1015,8 +1017,17 @@ namespace WMS.Web.Domain.Services
                         update_entity.Details.ForEach(x =>
                         {
                             var current_box_mat_serNums = dto.Details.Where(m => m.MaterialId == x.MaterialId).FirstOrDefault();
-                            if (current_box_mat_serNums != null && current_box_mat_serNums.MaterialId == x.MaterialId)
-                                x.SerialNumbers.AddRange(current_box_mat_serNums.SerialNumbers);
+                            if (current_box_mat_serNums != null && current_box_mat_serNums.MaterialId == x.MaterialId) 
+                            {
+                                foreach (var serialitem in current_box_mat_serNums.SerialNumbers)
+                                {
+                                    var isHaveSerial= x.SerialNumbers.Where(sn => sn == serialitem).Any();
+                                    if (!isHaveSerial)
+                                        x.SerialNumbers.Add(serialitem);
+                                }
+                               // x.SerialNumbers.AddRange(current_box_mat_serNums.SerialNumbers);
+                            }
+                               
                         });
 
                         #endregion