exec(" ALTER TABLE announcement ADD COLUMN IF NOT EXISTS `status` tinyint(1) unsigned NOT NULL DEFAULT 1 COMMENT '公告状态'; ALTER TABLE announcement ADD COLUMN IF NOT EXISTS `sort` tinyint(3) unsigned NOT NULL DEFAULT 0 COMMENT '公告排序'; ALTER TABLE announcement ADD KEY IF NOT EXISTS `status` (`status`); ALTER TABLE announcement ADD KEY IF NOT EXISTS `sort` (`sort`); ALTER TABLE docs ADD COLUMN IF NOT EXISTS `status` tinyint(1) unsigned NOT NULL DEFAULT 1 COMMENT '文档状态'; ALTER TABLE docs ADD COLUMN IF NOT EXISTS `sort` tinyint(3) unsigned NOT NULL DEFAULT 0 COMMENT '文档排序'; ALTER TABLE docs ADD KEY IF NOT EXISTS `status` (`status`); ALTER TABLE docs ADD KEY IF NOT EXISTS `sort` (`sort`); "); return 2024052400; } public function down(): int { return 2024052400; } };