@Override
	public void removeClub(int clubNo) {
		//
		List<Member> memberList = memberDao.readMemberByGroup(clubNo, 2);
    	for (Member member : memberList) {
    		memberDao.deleteMember(member);
		}
		clubDao.deleteClub(clubNo);
	}
	@Override
	public void withdrawalClub(int clubNo, String email) {
		//
		Club club = clubDao.readClub(clubNo);
		if (club == null) {
			throw NamooExceptionFactory.createRuntime("클럽이 존재하지 않습니다.");
		}
		Member member = new Member(email, clubNo, 2);

		memberDao.deleteMember(member);
	}