alter table `joylink`.`project` drop COLUMN `name_en`, CHANGE COLUMN `simple_name` `name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL comment '项目简称' AFTER `code`, CHANGE COLUMN `name` `description` text CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL comment '项目描述' AFTER `name`;