ALTER TABLE `team` ADD `lastAnswerTime` DATETIME NULL AFTER `endTime`, ADD `lastPingTime` DATETIME NULL AFTER `lastAnswerTime`, ADD `finalAnswerTime` DATETIME NULL AFTER `lastPingTime`;
ALTER TABLE `history_team` ADD `lastAnswerTime` DATETIME NULL AFTER `endTime`, ADD `lastPingTime` DATETIME NULL AFTER `lastAnswerTime`, ADD `finalAnswerTime` DATETIME NULL AFTER `lastPingTime`;