code: public static Runnable excAsync(final Runnable runnable, boolean isDeamon) {
  		Thread thread = new Thread() {
  			@Override
  			public void run() {
  				runnable.run();
  			}
  		};
  		thread.setDaemon(isDeamon);
  		thread.start();
  
  		return runnable;
  	}
docs: 执行异步方法
  
  @param runnable 需要执行的方法体
  @param isDeamon 是否守护线程。守护线程会在主线程结束后自动结束
  @return 执行的方法体