.actorFor("akka://WorkServerSys@127.0.0.1:2552/user/RegisterRemoteWorkerActor");
// create the worker address message
Address myAddr = new Address("akka", "WorkerSys", "127.0.0.1", port);
// send a message to server to register this worker instance
registerRemoteWorkerActor.tell(new StartWorker(myAddr.toString()));
}