text: CREATE TABLE `tk_source` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `parent_id` int(11) NOT NULL DEFAULT '0',
    `admin_id` int(11) NOT NULL DEFAULT '0',
    `title` char(100) NOT NULL DEFAULT '',
    `alias` varchar(32) NOT NULL DEFAULT '',
    `sort` int(11) NOT NULL DEFAULT '0',
    `is_valid` int(11) NOT NULL DEFAULT '0',
    `delete_time` int(11) NOT NULL DEFAULT '0',
    `modify_time` int(11) DEFAULT NULL,
    `create_time` int(11) DEFAULT NULL,
    PRIMARY KEY (`id`)
  ) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4;
  alter table tk_source modify alias varchar(32) not null default '' after title;
  
  CREATE TABLE `tk_hotel` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `admin_id` int(11) NOT NULL DEFAULT '0',
    `title` char(100) NOT NULL DEFAULT '',
    `sort` int(11) NOT NULL DEFAULT '0',
    `is_valid` int(11) NOT NULL DEFAULT '0',
    `delete_time` int(11) NOT NULL DEFAULT '0',
    `modify_time` int(11) DEFAULT NULL,
    `create_time` int(11) DEFAULT NULL,
    PRIMARY KEY (`id`)
  )
  
  CREATE TABLE `tk_banquet_hall` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `admin_id` int(11) NOT NULL DEFAULT '0',
    `title` char(100) NOT NULL DEFAULT '',
    `sort` int(11) NOT NULL DEFAULT '0',
    `is_valid` int(11) NOT NULL DEFAULT '0',
    `delete_time` int(11) NOT NULL DEFAULT '0',
    `modify_time` int(11) DEFAULT NULL,
    `create_time` int(11) DEFAULT NULL,
    PRIMARY KEY (`id`)
  );