CREATE TABLE `lh_canned_msg_use` (`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT, `canned_id` int(11) unsigned NOT NULL, `chat_id` bigint(20) unsigned NOT NULL, `ctime` bigint(20) unsigned NOT NULL, `user_id` bigint(20) unsigned NOT NULL, PRIMARY KEY (`id`), KEY `ctime` (`ctime`), KEY `chat_id` (`chat_id`), KEY `canned_id` (`canned_id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;