public ColorEntity toEntity(ColorUpdateRequest request, ColorEntity oldEntity)
        {
            ColorEntity entity = new ColorEntity();

            var item = request.Item;

            entity.Id             = request.Id;
            entity.ColorId        = item.ColorId;
            entity.ColorName      = item.ColorName;
            entity.DataStatus     = oldEntity.DataStatus;
            entity.CreateTime     = oldEntity.CreateTime;
            entity.LastUpdateTime = TimeConvertor.FromMilliTicks(TimeConvertor.ToMilliTicks(DateTime.Now));

            return(entity);
        }