@Override
	public void addExperienceRecord(StatisticDto statisticDto) {

		if (warehouse.containsKey(statisticDto.userId)) {
			List<StatisticDto> userRecords = warehouse.get(statisticDto.userId);
			userRecords.add(statisticDto);
		} else {
			List<StatisticDto> userRecords = new ArrayList<StatisticDto>();
			userRecords.add(statisticDto);
			warehouse.put(statisticDto.userId, userRecords);
		}
	}