diff --git a/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs b/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs
index 73b02d198..237ccac0d 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs
@@ -206,7 +206,8 @@ namespace SqlSugar
             this.Context.Ado.ExecuteCommand(sql);
             if (isAddNotNUll) 
             {
-                var dtColums = this.Context.Queryable<object>().AS(columnInfo.TableName).Where("1=2").ToDataTable().Columns.Cast<System.Data.DataColumn>();
+                var dtColums = this.Context.Queryable<object>().AS(columnInfo.TableName).Where("1=2")
+                    .Select(this.SqlBuilder.GetTranslationColumnName(columnInfo.DbColumnName)).ToDataTable().Columns.Cast<System.Data.DataColumn>();
                 var dtColumInfo = dtColums.First(it => it.ColumnName.EqualCase(columnInfo.DbColumnName));
                 var type = UtilMethods.GetUnderType(dtColumInfo.DataType);
                 var value= type==UtilConstants.StringType?(object)"": Activator.CreateInstance(type);