@Override
	public void addFollow(String userId, String uid, String tagName) throws WeiboException, KankantuException, UserNotAuthorizeException {
		
		// 获取要关注的用户的信息
		SinaWeiboRecommendUser user = sinaWeiboRecommendUserService.getByUid(userId, uid);
		if (null == user) {
			throw new SinaweiboUserNotFoundException(uid);
		}
		// 保存关注的用户
		sinaWeiboFollowDao.insert(userId, user, tagName);
	}