alter table vehicle
   ADD COLUMN `department_name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '部门名称';


alter table vehicle  ADD COLUMN  `annual_validity_period` date DEFAULT NULL COMMENT '年检有效期';

alter table vehicle  ADD COLUMN  `insurance_validity_period` date DEFAULT NULL COMMENT '保险有效期';

 =====================================截止2025-11-14 正式数据库已同步完成================================