AsyncTcpConnection断线重连只能触发一次

$connection_to_ser->onClose = function($connection_to_ser){
        echo "connection closed\n";
        Timer::add(5,function($connection_to_ser,$b){
            echo $b;
            $connection_to_ser->connect();
        },array($connection_to_ser,"ttttt"),false);         
    };