CREATE TABLE IF NOT EXISTS `go_links_em_links` (
  `id` int(11) NOT NULL,
  `folder_id` int(11) NOT NULL,
  `model_id` int(11) NOT NULL,
  `model_type_id` int(11) NOT NULL,
  `description` varchar(100) DEFAULT NULL,
  `ctime` int(11) NOT NULL,
  KEY `link_id` (`model_id`,`model_type_id`),
  KEY `id` (`id`,`folder_id`),
  KEY `ctime` (`ctime`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;