SET NAMES utf8mb4; ALTER TABLE `user_login_logger` MODIFY COLUMN `ip_country_code` varchar(16) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '' COMMENT '登录IP国家码', MODIFY COLUMN `ip_country_name` varchar(128) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '' COMMENT '登录IP国家/地区名称', MODIFY COLUMN `ip_region` varchar(128) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '' COMMENT '登录IP地区/省', MODIFY COLUMN `req_zone_id` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '' COMMENT '请求时区', MODIFY COLUMN `login_blocked` tinyint(1) NOT NULL DEFAULT 0 COMMENT '是否被登录访问校验屏蔽', MODIFY COLUMN `block_reason` varchar(128) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '' COMMENT '登录访问校验屏蔽原因';