private void btnReset_Click(object sender, EventArgs e)
        {
            var thread = new Thread(() => {
                influxDBSdkHelper = new InfluxDBSdkHelper(tbxBaseUrl.Text, tbxUsername.Text, tbxPassword.Text);
            });

            thread.IsBackground = true;
            thread.Start();
        }
        /// <summary>
        /// 写入数据
        /// </summary>
        /// <param name="database"></param>
        /// <param name="sql"></param>
        /// <param name="timestamp"></param>
        public async System.Threading.Tasks.Task <string> WriteAsync(string database, string sql, DateTime timestamp)
        {
            if (influxDBSdkHelper == null)
            {
                influxDBSdkHelper = new InfluxDBSdkHelper(_baseAddress, _username, _password);
            }
            var result = await influxDBSdkHelper.WriteAsync(database, this.ParsePoint(sql, timestamp), null);

            return(result);
        }