CREATE TABLE `book` (
    `id` int NOT NULL AUTO_INCREMENT,
    `file_name` varchar(1000) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '文件名',
    `file_path` varchar(1000) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '文件路径',
    `create_time` datetime DEFAULT NULL COMMENT '创建时间',
    `crt_user` varchar(255) COLLATE utf8mb4_general_ci DEFAULT NULL,
    PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;