code: public QYResultType delete(Integer id){
          BeanUtil.requireNonNull(id, "id is null");
          String url = BASE_API_URL + "cgi-bin/department/delete?access_token=#&id=" + id;
          BaseResponse r = executeGet(url);
          return QYResultType.get(r.getErrcode());
      }
docs: 删除部门
  @param id 部门ID
  @return 删除结果