public function onTask($server, $taskId, $fromId, $data)
{
if (is_object($data) && $data instanceof \stdClass && $data->_sys === true) {
$serverId = $data->sid;
$data = $data->data;
} else {
$serverId = self::$serverId;
}
return self::$workerTask->onTask($server, $taskId, $fromId, $data, $serverId);
}