public static byte[] decompress(byte[] bytes) {
        if (bytes == null) {
            throw new NullPointerException("bytes is null");
        }
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try (ZipInputStream zip = new ZipInputStream(new ByteArrayInputStream(bytes))) {
            byte[] buffer = new byte[BUFFER_SIZE];
            while (zip.getNextEntry() != null) {
                int n;
                while ((n = zip.read(buffer)) > -1) {
                    out.write(buffer, 0, n);
                }
            }
            return out.toByteArray();
        } catch (IOException e) {
            throw new RuntimeException("Zip decompress error", e);
        }
    }
@Test
    public void test_decompress() {
        Assertions.assertThrows(NullPointerException.class, () -> {
            ZipUtil.decompress(null);
        });
    }