private void FrmGather_FormClosing(object sender, FormClosingEventArgs e)
        {
            timerStatusUpdate.Dispose();
            timerSendWeight.Dispose();
            spReceive.Close();   //关闭串口
            ThSKConnect.Abort(); //关闭线程
            ThCheckState.Abort();  //关闭线程
            ThSKSend.Abort();        }