我在嘗試讓藍芽斷電，程式自動判斷斷線並重連，然後重連的速度非常的慢，平均20幾秒，請問有沒有辦法可以快一點，請各位大大給點建議，謝謝!(新手發問請見諒)。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO.Ports;
using System.Diagnostics;
using System.Threading;

namespace SkillsTestCode
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        Stopwatch stopwatch = new Stopwatch();
        SerialPort port = new SerialPort();
        delegate void abc();
        byte[] data = new byte[4];
        bool Flag_Send = false, Flag_Link_Connect = false, Flag_Link_Com = true, abcd = true;

        private void Form1_Load(object sender, EventArgs e)
        {
            timer1.Enabled = true;
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            label1.Text = DateTime.Now.ToString("hh:mm:ss");
        }

        private void timer2_Tick(object sender, EventArgs e)
        {
            if (Flag_Link_Com)
            {
                if (port.BytesToRead > 0)
                {
                    try
                    {
                        port.ReadTimeout = 100;
                        data[0] = (byte)port.ReadByte();
                        port.DiscardInBuffer();
                        if (data[0] == 0xFF)
                        {
                            Flag_Send = true;
                            Flag_Link_Connect = true;
                        }
                    }
                    catch (Exception) { Console.WriteLine("讀取逾時!"); }
                }
                if (Flag_Send)
                {
                    try
                    {
                        port.WriteTimeout = 100;
                        data[0] = 0xFF;
                        port.Write(data, 0, 1);
                        port.DiscardOutBuffer();
                        Flag_Link_Connect = true;

                        Flag_Send = false;
                    }
                    catch (Exception) { Console.WriteLine("傳送逾時!"); }
                }
                if (Flag_Link_Connect)
                {
                    Flag_Link_Connect = false;
                }
                else
                {
                    port.Close();
                    stopwatch.Restart();
                    stopwatch.Start();
                    LableText(false);
                    button1.Text = "OPEN";
                    Flag_Link_Com = false;
                }
            }
            else
            {
                if (abcd)
                {
                    abcd = false;
                    Task.Run(() =>
                    {
                        try
                        {
                            Task.Delay(1000).Wait();
                            Console.WriteLine(Task.CurrentId + "-----OPEN oao");
                            port.Open();
                            stopwatch.Stop();
                            Console.WriteLine(Task.CurrentId + "----fuck-----" + stopwatch.ElapsedMilliseconds);
                            data[0] = 0xFF;
                            port.Write(data, 0, 1);
                            Flag_Link_Com = true;
                            this.Invoke(new abc(() =>
                            {
                                button1.Text = "CLOSE";
                                timer2.Enabled = true;
                                LableText(true);
                            }));
                        }
                        catch (Exception exx)
                        {
                            Console.WriteLine("--------------" + exx);
                        }
                        abcd = true;
                    });
                }

            }
        }

        private void comboBox1_DropDown(object sender, EventArgs e)
        {
            string[] PN = SerialPort.GetPortNames();
            comboBox1.Items.Clear();
            comboBox1.Items.AddRange(PN);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (!port.IsOpen)
            {
                port.PortName = comboBox1.Text;
                Task.Run(() =>
                {
                    try
                    {
                        port.Open();
                        data[0] = 0xFF;
                        port.Write(data, 0, 1);
                        this.Invoke(new abc(() =>
                        {
                            timer2.Enabled = true;
                            button1.Text = "CLOSE";
                            LableText(true);
                        }));
                    }
                    catch (Exception) { };
                });
            }
            else
            {
                timer2.Enabled = false;
                port.Close();
                LableText(false);
                button1.Text = "OPEN";
            }
        }

        void LableText(bool a)
        {
            if (a)
            {
                label2.Text = "ONLINE";
                label2.BackColor = Color.Green;
            }
            else
            {
                label2.Text = "OFFLINE";
                label2.BackColor = Color.Red;
            }
        }
    }
}