@Override
	public void process(WatchedEvent event) {
		System.out.printf("配置回调,eventType:%s eventState:%s\n", event.getType().toString(),event.getState().toString());
		if(event.getType() == EventType.NodeDataChanged){
			try {
				displayConfig();
			} catch (KeeperException e) {
				e.printStackTrace();
			} catch (InterruptedException e) {
				e.printStackTrace();
				Thread.currentThread().interrupt();
			}
		}else{
			System.out.printf("配置发生变化eventType=%s\n",event.getType());
		}
	}