try {
    HttpClient httpclient = new DefaultHttpClient();
    HttpPost httpPost = new HttpPost(sendUrl);
    File uploadFile = new File("/Users/ethan/Downloads/test.jpg");

    FileBody uploadFilePart = new FileBody(uploadFile);
    MultipartEntity reqEntity = new MultipartEntity();
    reqEntity.addPart("media", uploadFilePart);
    httpPost.setEntity(reqEntity);
    HttpResponse response = httpclient.execute(httpPost);

    HttpEntity entity = response.getEntity();
    if(entity!=null){
        String result = EntityUtils.toString(entity,"UTF-8");
        System.out.println(result);

    }
}catch (Exception e){
    e.printStackTrace();
}

一直返回

{"errcode":47001,"errmsg":"data format error hint: [SAESjA04011548]"}