private static byte[] sourceToBytesInternal(Source source) {
        BufferedSource bufferedSource = Okio.buffer(source);
        byte[] result = null;
        try {
            result = bufferedSource.readByteArray();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                bufferedSource.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return result;
    }
we need handle 'Content-Encoding' if 'Accept-Encoding' added by user instead of OKHttp

@param response
@return
pandora-core/src/main/java/tech/linjiang/pandora/network/OkHttpInterceptor.java