code: public Response checkAsynFetchid(String region, String fetchWorkId) throws QiniuException {
          String path = String.format("http://api-%s.qiniu.com/sisyphus/fetch?id=%s", region, fetchWorkId);
          return client.get(path, auth.authorization(path));
      }
docs: 查询异步抓取任务
  
  @param region      抓取任务所在bucket区域 华东 z0 华北 z1 华南 z2 北美 na0 东南亚 as0
  @param fetchWorkId 抓取任务id
  @return Response
  @throws QiniuException