ALTER TABLE `task_track` ADD COLUMN `updateflag` BIT (1) DEFAULT NULL COMMENT '新增,修改标志' AFTER `update_time`; ALTER TABLE `com_task` ADD COLUMN `onDutyPersons` int(10) DEFAULT NULL COMMENT '在岗保安员数量' AFTER `perNum`; ALTER TABLE `com_task` ADD COLUMN `insuredNumber` BIGINT(10) DEFAULT NULL COMMENT '已投保保安员数量' AFTER `perNum`;