CREATE TABLE `lh_chat_event_track` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(50) NOT NULL, `data` longtext NOT NULL, `department_id` int(11) NOT NULL, PRIMARY KEY (`id`), KEY `department_id` (`department_id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;