if (userlist.length > 0) {
bot.send(
':' +
ce.message_id +
' thanks ' +
userlist.join(', ') +
' for the help.');
nextTime = new Date();
nextTime.setMinutes(nextTime.getMinutes() + 6);
ttw = nextTime;
setTimeout(function () { silent = false; ttw = undefined }, util.minutes(8));
silent = true;
}