@Override
 public void cancelBindSite(Long bindSiteId) {
   BindSite bs = bindSiteDao.queryById(bindSiteId);
   if (bs == null) {
     throw new ServiceException(ErrService.UserS.ACC_108, "已经解绑成功,不允许再次操作!");
   }
   if (bs.getRegFlag()) {
     throw new ServiceException(ErrService.UserS.ACC_108, "第三方账号注册,不允许解除绑定关系!");
   }
   bindSiteDao.deletById(bindSiteId);
 }