public override void Backup()
{
string destDir = Path.Combine(this.args.BackupFolder, this.args.AppName);
destDir = Path.Combine(destDir, DateTime.Now.ToString("Backup_yyyyMMdd_HHmmss"));
this.args.RestorePath = destDir;
CopyHelper.DirectoryCopyWithRef(this.args.AppFolder, destDir, this.args.DeployFolder, true);
}