SET NAMES utf8; SET FOREIGN_KEY_CHECKS=0; ALTER TABLE `t_bill` MODIFY COLUMN `bill_set_explain` varchar(255) NULL DEFAULT '0' AFTER `bill_merge_condition`; ALTER TABLE `t_rule_new` ADD COLUMN IF NOT EXISTS `customer_modular_set_visible` tinyint(1) NULL DEFAULT 0 AFTER `customer_modular_transfer`; SET FOREIGN_KEY_CHECKS=1;