@Override
public List<Fan> queryFansByOwerIdTimestamp(long owerId, Date timestamp, Activity activity) {
List<Invitation> result = this.queryInvitationByOwerId(owerId, timestamp, activity);
List<Fan> fans = new ArrayList<Fan>();
FanDao fanDao = new FanDaoImpl();
List<Fan> tempFans = fanDao.queryFansByIdolId(owerId, null, activity);
for (Invitation in : result) {
long fanId = in.getFanId();
for (Fan fan : tempFans) {
if (fan.getFanId() == fanId) {