/// <summary>
        /// 获取时间戳
        /// </summary>
        /// <returns></returns>
        public static string GetTimestamp()
        {
            //var ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
            //return Convert.ToInt64(ts.TotalSeconds).ToString();
            var ts = DateTimeHelper.GetUnixDateTime(SystemTime.Now);

            return(ts.ToString());
        }