private void textBoxCom_TextChanged(object sender, EventArgs e)
        {
            if (start)
            {
                string str = textBoxCom.Text.Replace(" ", "");
                Ini.Write("config", "com", str);

                if (serialPort1.IsOpen)
                {
                    serialPort1.Close();
                }

                //重新打开
                open();
            }
        }
        private void textBox3_TextChanged(object sender, EventArgs e)
        {
            if (start)
            {
                string str = textBox3.Text.Replace(" ", "");
                Ini.Write("config", "com1", str);

                if (serialPort2.IsOpen)
                {
                    serialPort2.Close();
                }

                //重新打开
                Thread1();
            }
        }