CREATE TABLE IF NOT EXISTS `user` (
                        `id` bigint NOT NULL,
                        `user_name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
                        `password` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '加密后的密码',
                        `salt` varchar(255) COLLATE utf8mb4_general_ci NOT NULL COMMENT '加密密钥',
                        `email` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
                        `phone_number` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
                        `description` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
                        `create_time` datetime NOT NULL,
                        `update_time` datetime NOT NULL,
                        PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;