CREATE TABLE `ufutx_exam_cert_log` (
    `id` BIGINT NOT NULL AUTO_INCREMENT , 
    `user_id` int NOT NULL COMMENT "用户id",
    `paper_id` int NOT NULL COMMENT "试卷id",
    `status` tinyint NOT NULL COMMENT "状态, 0:审核中, 1:已通过，-1:已拒绝",
    `created_at` TIMESTAMP NULL DEFAULT NULL , 
    `updated_at` TIMESTAMP NULL DEFAULT NULL , 
    PRIMARY KEY (`id`)
) ENGINE = InnoDB COMMENT = '测试试卷';