diff --git a/src/BarCode.Web.Repositories/SerialNumbersRepositories.cs b/src/BarCode.Web.Repositories/SerialNumbersRepositories.cs
index 6a35190..573d157 100644
--- a/src/BarCode.Web.Repositories/SerialNumbersRepositories.cs
+++ b/src/BarCode.Web.Repositories/SerialNumbersRepositories.cs
@@ -754,7 +754,7 @@ namespace BarCode.Web.Repositories
                 BoxId = s.serial.BoxId,
                 IsCarton = (s.serial.BoxId > 0 || s.serial.IsUse == true) ? true : false,
                 IsOldData = true,//扫箱号获取 默认就是老数据
-                Specifications = s.sg.Specifications,//_erpBasicDataExtendService.GetMaterialSpecifications(materials, s.MaterialNumber),
+                Specifications =string.IsNullOrEmpty(s.serial.Specifications)? s.sg.Specifications: s.serial.Specifications,//_erpBasicDataExtendService.GetMaterialSpecifications(materials, s.MaterialNumber),
                 MaterialNumber = s.serial.MaterialNumber,
                 MaterialName = s.sg.MaterialName,//_erpBasicDataExtendService.GetMaterialName(materials, s.MaterialNumber),
                 BarCode = s.sg.BarCode,//_erpBasicDataExtendService.GetMaterialBarCode(materials, s.MaterialNumber),