private static byte[] requestBodyAsBytes(Request request) {
        RequestBody requestBody = request.body();
        if (requestBody == null) {
            return null;
        }
        Buffer buffer = new Buffer();
        try {
            requestBody.writeTo(buffer);
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
        return sourceToBytesInternal(buffer);
    }
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