public void start(String clientName) {
		while (true) {
			try {
				Thread.sleep(frefrequency);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			// 根据长短连接决定怎样发送消息
			if (ClientThread.isShortTcp) {
				sendMsgByShortTcp(clientName);
			} else {
				sendMsgByLongTcp(clientName);
			}
		}
	}