socket.io广播的问题

use Workerman\Worker;
use Workerman\WebServer;
use Workerman\Lib\Timer;
use PHPSocketIO\SocketIO;

include __DIR__ . '/vendor/autoload.php';

$io = new SocketIO(2020);
$io->on('connection', function($socket){
    $socket->on('new message', function ($data)use($socket){
        $socket ->emit('new message',"222222");
    });
});
Worker::runAll();