public FileWatchManager() {
        WatchService watchService = null;
        try {
            watchService = FileSystems.getDefault().newWatchService();
        } catch (IOException e) {
            Configuration.LOGGER.error(MARKER, "Failed to initialize file watch service due to error, configs won't be automatically refreshed", e);
        } finally {
            this.service = watchService;
            this.executorService = Executors.newSingleThreadScheduledExecutor(r -> {
                Thread t = new Thread(r);
                t.setName("Auto-Sync thread");
                return t; // 非daemon线程
            });
        }
    }

public void stop() {
        try {
            executorService.shutdown();
            service.close();
        } catch (IOException e) {
            throw new IllegalStateException("Error while stopping FileWatch service", e);
        }
    }