public static function onWorkerStart($businessWorker)
{
    // Channel客户端连接到Channel服务端
    Channel\Client::connect('172.14.0.111', 8989);
    // // 订阅broadcast事件，并注册事件回调
    Channel\Client::on('sendMessage', function($event_data){
        //推送好友消息
        print_r($event_data);
        $sendData['type'] = 'sendMessage';
        $sendData['data'] = $event_data['sendData'];
        Gateway::sendToGroup('group_'.$event_data['rece_uid'], json_encode($sendData));
    });
}