code: public static CircleCaptcha createCircleCaptcha(int width, int height, int codeCount, int circleCount) {
  		return new CircleCaptcha(width, height, codeCount, circleCount);
  	}
docs: 创建圆圈干扰的验证码
  
  @param width 图片宽
  @param height 图片高
  @param codeCount 字符个数
  @param circleCount 干扰圆圈条数
  @return {@link CircleCaptcha}
  @since 3.2.3