function Main()
{
    // Calculate OTP token
    var totpObj = new TOTP();
    var epoch = Math.floor(new Date().getTime() / 1000 % 30);
    var elapsed = 30 - epoch

    // Adjust the sliding window
    if (elapsed <= 3 ) {
        xsh.Dialog.MsgBox("Hold on, and wait "   elapsed   " seconds!");
        xsh.Session.Sleep(elapsed * 1000   100);
    }

    // Calculate OTP token
    // REVISED 修改为你自己的 Google Authenticator Secret
    var otp = totpObj.getOTP("REVISED");

    // Copy the token to clipboard
    xsh.Screen.Synchronous = true;
    xsh.Screen.Send("cmd /c echo "   otp   "| clip");
    xsh.Screen.Send(String.fromCharCode(13));
    xsh.Screen.Clear();

    // Open Session
    // xsh.Session.Open("ssh://username:password@host:port")
    // 修改为你自己的 xsh 文件路径
    xsh.Session.Open("C:\Users\REVISED\Documents\NetSarang\Xshell\Sessions\jump.xsh");

    // Close the local shell
    // xsh.Session.Sleep(1000);
    xsh.Screen.Send("exit");
    xsh.Screen.Send(String.fromCharCode(13));
}