private void Shell(List<string> commands, string workingDir, Action<string> actionResult)
{
    Process process = new Process();

    process.StartInfo.FileName = "cmd.exe";
    //process.StartInfo.FileName = exeFile; //设置要启动的应用程序，如：fastboot
    //process.StartInfo.Arguments = "@echo off"; // 设置应用程序参数，如： flash boot0 "A_Debug/boot0.img"

    process.StartInfo.UseShellExecute = false;
    process.StartInfo.RedirectStandardInput = true;
    process.StartInfo.RedirectStandardOutput = true;
    process.StartInfo.RedirectStandardError = true;
    process.StartInfo.CreateNoWindow = true;
    process.EnableRaisingEvents = true;  // 获取或设置在进程终止时是否应激发 Exited 事件；不论是正常退出还是异常退出。
    process.StartInfo.WorkingDirectory = workingDir; // **重点**，工作目录，必须是 bat 批处理文件所在的目录
    process.Start();
    process.StandardInput.AutoFlush = true;
    process.StandardInput.WriteLine("@echo off");
    process.OutputDataReceived += (object sender, DataReceivedEventArgs e) => actionResult(e.Data);
    //process.ErrorDataReceived += (object sender, DataReceivedEventArgs e) => actionResult(e.Data);
    process.BeginOutputReadLine();  // 开启异步读取输出操作
    process.BeginErrorReadLine();  // 开启异步读取错误操作

    ////向cmd窗口发送输入信息
    foreach (var str in commands)
    {
        process.StandardInput.WriteLine(str);
    }
    
    bool exited = process.WaitForExit(10000);
    if (!exited)
    {
        process.Kill();  // 通过超时判断是否执行失败，极可能为假死状态。
        // 记录日志
        actionResult("Error: timed out");
    }


    // 0 为正常退出。
    actionResult("ExitCode: " + process.ExitCode);
}