diff --git a/src/BarCode.Web.Core/Dto/SerialNumbers/UpdateMaterialRequest.cs b/src/BarCode.Web.Core/Dto/SerialNumbers/UpdateMaterialRequest.cs
index a26e362..a9aff42 100644
--- a/src/BarCode.Web.Core/Dto/SerialNumbers/UpdateMaterialRequest.cs
+++ b/src/BarCode.Web.Core/Dto/SerialNumbers/UpdateMaterialRequest.cs
@@ -22,6 +22,8 @@ namespace BarCode.Web.Core.Dto.SerialNumbers
         /// </summary>
         [Required(ErrorMessage = "物料编码不能为空")]
         public string MaterialNumber { get; set; } = string.Empty;
+        public string specifications { get; set; } = string.Empty;
+
         /// <summary>
         /// 操作(序列号)
         /// </summary>
diff --git a/src/BarCode.Web.Domain/Services/SerialNumberService.cs b/src/BarCode.Web.Domain/Services/SerialNumberService.cs
index 81a2967..12018dd 100644
--- a/src/BarCode.Web.Domain/Services/SerialNumberService.cs
+++ b/src/BarCode.Web.Domain/Services/SerialNumberService.cs
@@ -854,7 +854,7 @@ namespace BarCode.Web.Domain.Services
             //修改物料
             foreach (var s in serialNumbers)
             {
-                var res = s.UpdateMaterial(dto.MaterialNumber, _erpBasicDataExtendService.GetMaterialSpecifications(materials, dto.MaterialNumber));
+                var res = s.UpdateMaterial(dto.MaterialNumber,dto.specifications);// _erpBasicDataExtendService.GetMaterialSpecifications(materials, dto.MaterialNumber));
                 if (!res.IsSuccess) return res;
             }
             generateRecord.UpdateMaterial();