String token=""; //获取token

// 上传永久素材
 HashMap<String, Object> paramMap = new HashMap<>();
 //文件上传只需将参数中的键指定（默认file），值设为文件对象即可，对于使用者来说，文件上传与普通表单提交并无区别
 paramMap.put("media", FileUtil.file("C:\\Users\\cs-hg-293\\Desktop\\232\\111.jpg"));

 String imgResult= HttpUtil.post("https://api.weixin.qq.com/cgi-bin/material/add_material?type=thumb&access_token="+token, paramMap);

 JSONObject tokenJson= JSONUtil.parseObj(imgResult);
 // 获取mediaid
 String  mediaId= tokenJson.get("media_id").toString();

 System.out.println(imgResult);

 // 新增草稿
 //String addDraftUrl="https://api.weixin.qq.com/cgi-bin/draft/add?access_token="+token ;
 String addDraftUrl="https://api.weixin.qq.com/cgi-bin/draft/add?access_token="+token ;
 String title ="2023-07-31标题";
 String digest ="2023-07-31欢迎关注！";
 String content="测试内容";
 String obi="{\n" +
         "    \"articles\": [\n" +
         "        {\n" +
         "            \"title\":"+title+",\n" +
         "            \"author\":小明,\n" +
         "            \"digest\":"+digest+",\n" +
         "            \"content\":"+content+",\n" +
         "            \"content_source_url\":,\n" +
         "            \"thumb_media_id\":"+mediaId+",\n" +
         "            \"need_open_comment\":0,\n" +
         "            \"only_fans_can_comment\":0\n" +
         "        }\n" +
         "    ]\n" +
         "}";
 System.out.println(HttpUtil.post(addDraftUrl,obi));

提示错误

{"errcode":40007,"errmsg":"invalid media_id hint: [R7m970627p493] rid: 64c74f8b-5e5173f2-6febad5e"}