docs: private void drawInterfere(Graphics2D g) {
  		final ThreadLocalRandom random = RandomUtil.getRandom();
  		// 干扰线
  		for (int i = 0; i < this.interfereCount; i++) {
  			int xs = random.nextInt(width);
  			int ys = random.nextInt(height);
  			int xe = xs + random.nextInt(width / 8);
  			int ye = ys + random.nextInt(height / 8);
  			g.setColor(ImgUtil.randomColor(random));
  			g.drawLine(xs, ys, xe, ye);
  		}
  	}