code: public static QueuedThreadPool createQueuedThreadPool() {
  		QueuedThreadPool threadPool = new QueuedThreadPool();
  
  		threadPool.setMinThreads(setting.getInt("min", "threads", 100));
  		threadPool.setMaxThreads(setting.getInt("max", "threads", 500));
  
  		return threadPool;
  	}
docs: 创建QueuedThreadPool
  
  @return QueuedThreadPool