code: public static ImageInputStream getImageInputStream(InputStream in) throws IORuntimeException {
  		try {
  			return ImageIO.createImageInputStream(in);
  		} catch (IOException e) {
  			throw new IORuntimeException(e);
  		}
  	}
docs: 获取{@link ImageInputStream}
  
  @param in {@link InputStream}
  @return {@link ImageInputStream}
  @throws IORuntimeException IO异常
  @since 3.1.2