public boolean findUserPass() {
		// TODO Auto-generated method stub
		Util.printlns(ps, "û:");
		String userName = Util.getInput(br);
		if(userName == null){
			return false;
		}
		userName = userName.toLowerCase();
		//ȡuserMap
		Map<String, UserBean> userMap;
		once = OnceClass.getOnce();
		userMap= once.getUserMap();
		if(userMap.containsKey(userName)){
			//ûڣһ
			UserBean user = userMap.get(userName);
			Util.printlns(ps, "ܱǣ"+user.getUserAnswer()+" ܱ𰸣");
			String question = Util.getInput(br);
			if(question == null){
				return false;
			}
			if(question.equals(user.getUserQuestion())){
				Util.printlns(ps, "룺");
				String newPass = Util.getInput(br);
				if(newPass == null){
					return false;
				}
				user.setUserPass(newPass);
				Util.println(ps, userName+"޸ɹ¼");
				Util.saveLog(userName+""+Util.getNowTime()+"޸ɹ");
				return true;
			}else{
				Util.println(ps, "󣬷ϼ");
				return true;
			}
		}else{
			//û
			Util.println(ps, "ûڣϼ");
			return true;
		}
	}