无法在spring boot中使用war或jar文件显示动态图像

@RestController
public class ImageController {

    @GetMapping("/image")
    public ResponseEntity<byte[]> getImage() throws IOException {
        // 生成或处理图像的逻辑
        BufferedImage image = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
        Graphics2D graphics = image.createGraphics();
        graphics.setColor(Color.RED);
        graphics.fillRect(0, 0, 100, 100);
        graphics.dispose();

        // 将图像转换为字节数组
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(image, "png", baos);
        byte[] imageData = baos.toByteArray();

        // 设置响应头信息
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.IMAGE_PNG);
        headers.setContentLength(imageData.length);

        // 返回图像数据
        return new ResponseEntity<>(imageData, headers, HttpStatus.OK);
    }
}