diff --git a/src/BarCode.Web.Domain/Entitys/SerialNumbers.cs b/src/BarCode.Web.Domain/Entitys/SerialNumbers.cs
index d7a4ad8..b93183e 100644
--- a/src/BarCode.Web.Domain/Entitys/SerialNumbers.cs
+++ b/src/BarCode.Web.Domain/Entitys/SerialNumbers.cs
@@ -340,8 +340,8 @@ namespace BarCode.Web.Domain.Entitys
         {
             if (this.IsUse)
                 return Result.ReFailure($"序列码 {this.SerialNumber} 已被使用,不允许规格转换", 600007);
-            if (!this.MaterialNumber.Equals(number))
-            {
+            //if (!this.MaterialNumber.Equals(number) )
+            //{
                 this.Old_MaterialNumber = this.MaterialNumber;
                 this.old_Specifications = old_Specifications;
                 this.MaterialName= MaterialName;
@@ -349,9 +349,9 @@ namespace BarCode.Web.Domain.Entitys
                 this.BarCode= MaterialBarCode;
                 this.MaterialNumber = number;
                 
-            }
+            
 
-            return Result.ReSuccess();
+                return Result.ReSuccess();
         }
     }
 }