定时

@PostConstruct
    public void init() {
        reload();

        ExecutorService executor = Executors.newFixedThreadPool(1);
        executor.execute(new Runnable() {
            @Override
            public void run() {
                try {
                    while (true) {
                        Thread.sleep(180000);
                        reload();
                    }
                } catch (Exception e) {
                    logger.error(e.getMessage(), e);
                }
            }
        });
    }