java 图片压缩变色问题

    public static void main(String[] args) {
        // 原图
        File in = new File(
                "C:/Users/Administrator/Desktop/img/20170916/attachment_15055700026790.jpeg");
        // 目的图
        File out = new File(
                "C:/Users/Administrator/Desktop/img/20170916/attachment_15055700026790a.jpeg");
        FileInputStream input = null;
        FileOutputStream outStream = null;
        WriteRender wr = null;
        try {
            BufferedImage image = ImageIO.read(in);
            ScaleParameter scaleParam = new ScaleParameter(image.getWidth(),
                    image.getHeight()); // 将图像缩略到1024x1024以内，不足1024x1024则不做任何处理
            input = new FileInputStream(in);
            outStream = new FileOutputStream(out);
            ImageRender rr = new ReadRender(input);
            ImageRender sr = new ScaleRender(rr, scaleParam);
            wr = new WriteRender(sr, outStream);

            wr.render(); // 触发图像处理
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (null != input) {
                try {
                    input.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            if (null != outStream) {
                try {
                    outStream.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            if (wr != null) {
                try {
                    wr.dispose(); // 释放simpleImage的内部资源
                } catch (SimpleImageException ignore) {
                    // skip ...
                }
            }
        }
    }

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>simpleimage</artifactId>
    <version>1.2.3</version>
</dependency>