ALTER TABLE `ufutx_s2_bp_logs` ADD `sub_user_id` BIGINT NOT NULL DEFAULT '0' COMMENT '子用户id' AFTER `user_id`, ADD `snapshot_id` BIGINT NULL COMMENT '购物时的快照id' AFTER `sub_user_id`, ADD `snapshot_title` VARCHAR(1024) NULL COMMENT '购物时的sku名称' AFTER `snapshot_id`;