diff --git a/Src/Asp.Net/MySqlTest/UnitTest/UCodeFirst.cs b/Src/Asp.Net/MySqlTest/UnitTest/UCodeFirst.cs
index 3c853a7d5..ab92b7f92 100644
--- a/Src/Asp.Net/MySqlTest/UnitTest/UCodeFirst.cs
+++ b/Src/Asp.Net/MySqlTest/UnitTest/UCodeFirst.cs
@@ -18,7 +18,7 @@ namespace OrmTest
         {
             [SqlSugar.SugarColumn(IndexGroupNameList = new string[] { "group1" })]
             public int Id { get; set; }
-            [SqlSugar.SugarColumn(DefaultValue="getdate()", IndexGroupNameList =new string[] {"group1" } )]
+            [SqlSugar.SugarColumn(DefaultValue="now()", IndexGroupNameList =new string[] {"group1" } )]
             public DateTime? CreateDate { get; set; }
         }
     }
diff --git a/Src/Asp.Net/MySqlTest/UnitTest/UJson.cs b/Src/Asp.Net/MySqlTest/UnitTest/UJson.cs
index 717607f1d..354187108 100644
--- a/Src/Asp.Net/MySqlTest/UnitTest/UJson.cs
+++ b/Src/Asp.Net/MySqlTest/UnitTest/UJson.cs
@@ -28,7 +28,7 @@ namespace OrmTest
     {
         [SqlSugar.SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
         public int Id { get; set; }
-        [SqlSugar.SugarColumn(ColumnDataType = "varchar(max)", IsJson = true)]
+        [SqlSugar.SugarColumn(ColumnDataType = "varchar(4000)", IsJson = true)]
         public Order Order { get; set; }
     }
 }
diff --git a/Src/Asp.Net/MySqlTest/UnitTest/UQueryable.cs b/Src/Asp.Net/MySqlTest/UnitTest/UQueryable.cs
index 2731ed6d9..bac46dc74 100644
--- a/Src/Asp.Net/MySqlTest/UnitTest/UQueryable.cs
+++ b/Src/Asp.Net/MySqlTest/UnitTest/UQueryable.cs
@@ -39,18 +39,18 @@ namespace OrmTest
                 DcNull = it.Dc,
                 Dc = it.Int
             }).ToSql().Key;
-            UValidate.Check(sql, "SELECT  [Dc] AS [DcNull] , [Int] AS [Dc]  FROM [UnitSelectTest]", "Queryable");
+            UValidate.Check(sql, "SELECT  `Dc` AS `DcNull` , `Int` AS `Dc`  FROM `UnitSelectTest`", "Queryable");
 
             sql = Db.Updateable<UnitSelectTest2>(new UnitSelectTest2()).ToSql().Key;
-            UValidate.Check(sql, @"UPDATE [UnitSelectTest2]  SET
-           [Dc]=@Dc,[IntNull]=@IntNull  WHERE [Int]=@Int", "Queryable");
+            UValidate.Check(sql, @"UPDATE `UnitSelectTest2`  SET
+           `Dc`=@Dc,`IntNull`=@IntNull  WHERE `Int`=@Int", "Queryable");
 
             sql = Db.Queryable<Order>().IgnoreColumns(it => it.CreateTime).ToSql().Key;
-            UValidate.Check(sql, "SELECT [Id],[Name],[Price],[CustomId] FROM `order` ", "Queryable");
+            UValidate.Check(sql, "SELECT `Id`,`Name`,`Price`,`CustomId` FROM `Order` ", "Queryable");
             sql = Db.Queryable<Order>().IgnoreColumns(it => new { it.Id, it.Name }).ToSql().Key;
-            UValidate.Check(sql, "SELECT [Price],[CreateTime],[CustomId] FROM `order` ", "Queryable");
+            UValidate.Check(sql, "SELECT `Price`,`CreateTime`,`CustomId` FROM `Order` ", "Queryable");
             sql = Db.Queryable<Order>().IgnoreColumns("id").ToSql().Key;
-            UValidate.Check(sql, "SELECT [Name],[Price],[CreateTime],[CustomId] FROM `order` ", "Queryable");
+            UValidate.Check(sql, "SELECT `Name`,`Price`,`CreateTime`,`CustomId` FROM `Order` ", "Queryable");
 
             var cts = IEnumerbleContains.Data();
             var list2=Db.Queryable<Order>()
diff --git a/Src/Asp.Net/MySqlTest/UnitTest/Updateable.cs b/Src/Asp.Net/MySqlTest/UnitTest/Updateable.cs
index 2397d6032..0a99f6da9 100644
--- a/Src/Asp.Net/MySqlTest/UnitTest/Updateable.cs
+++ b/Src/Asp.Net/MySqlTest/UnitTest/Updateable.cs
@@ -43,16 +43,16 @@ namespace OrmTest
             {
                 IsRemind = saveDiary.IsRemind,
             }).Where(it => it.ID == saveDiary.ID).ToSql();
-            UValidate.Check(sql.Key, @"UPDATE [Diary]  SET
-            [IsRemind] =  @Const0    WHERE ( [ID] = @ID1 )", "Updateable");
+            UValidate.Check(sql.Key, @"UPDATE `Diary`  SET
+            `IsRemind` =  @Const0    WHERE ( `ID` = @ID1 )", "Updateable");
 
 
             sql = Db.Updateable<UnitDiary>().SetColumns(it => new UnitDiary()
             {
                TypeID = saveDiary.TypeID,
             }).Where(it => it.ID == saveDiary.ID).ToSql();
-            UValidate.Check(sql.Key, @"UPDATE [Diary]  SET
-            [TypeID] = @Const0   WHERE ( [ID] = @ID1 )", "Updateable");
+            UValidate.Check(sql.Key, @"UPDATE `Diary`  SET
+            `TypeID` = @Const0   WHERE ( `ID` = @ID1 )", "Updateable");
 
         }
     }