private async void Captcha_OnSured(object sender, UserControls.CaptchaPopup.CaptchaEventArgs e)
{
LoginVM.captcha = e.captcha;
bool success = await TryLogin();
TryLeave(success);
}
private void Captcha_OnClosed(object sender, UserControls.CaptchaPopup.CaptchaEventArgs e)
{
EnableLoginBtn();
}
