docs: public static List<Thread> start(final Timer timer) {
  		if (!timer.isEnabled()) {
  			logger.info("当前服务器不启用定时器[" + timer.getClass().getSimpleName() + "]。");
  			return null;
  		}
  
  		int threadCount = timer.getThreadCount();
  		if (threadCount < 1) {
  			throw new IllegalArgumentException("定时器线程数不能小于1.");
  		}
  		List<Thread> threadList = new ArrayList<Thread>();
  		for (int i = 0; i < threadCount; i++) {
  			// 运行定时任务
  			String threadName = timer.getClass().getSimpleName() + "-" + i;
  			Thread thread = new Thread(threadName) {
  				@Override
  				public void run() {
  					TimerUtil.run(timer);
  				}
  			};
  			thread.start();
  			threadList.add(thread);
  		}
  		return threadList;
  	}