public static Type CreateDynamicType(string typeName = "Test")
    {
        var cols = new MockTableColumn[]
        {
            new("Id", typeof(int)),
            new("Name", typeof(string))
        };

        // 创建动态类型基类是 DynamicObject
        var instanceType = EmitHelper.CreateTypeByName(typeName, cols, typeof(DynamicObject));

        return(instanceType !);
    }