fix: 5.2.8待发布更新

doc/5.2.6-up-5.2.7.sql

-ALTER TABLE `model` DROP COLUMN `manager_id`;
-ALTER TABLE `cms_category` DROP COLUMN `category_datetime`;
-ALTER TABLE  `logger` MODIFY COLUMN `id` bigint(20) UNSIGNED NOT NULL;
-ALTER TABLE `mdiy_page` ADD COLUMN `NOT_DEL` int(1) DEFAULT 0 COMMENT '删除标记';
-ALTER TABLE `mdiy_model` DROP INDEX `indx_model_name`;
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