@Bean
    public Scheduler scheduler() {
        ExecutorService threadPool = new ThreadPoolExecutor(100, 100,
            0L, TimeUnit.MILLISECONDS,
            new LinkedBlockingQueue<>(),
            runnable -> {
                Thread thread = new Thread(runnable, "http-exe");
                thread.setDaemon(false);
                if (thread.getPriority() != Thread.NORM_PRIORITY) {
                    thread.setPriority(Thread.NORM_PRIORITY);
                }
                return thread;
            });
        return Schedulers.fromExecutor(threadPool);
    }
define scheduler bean.
@return Scheduler bean.
shenyu-examples/shenyu-examples-http/src/main/java/org/apache/shenyu/examples/http/config/HttpServerConfig.java