alter table `user_info` 
MODIFY COLUMN `personal_profile` VARCHAR(1000) NULL COMMENT '个人简介' ;

alter table `user_career` 
MODIFY COLUMN `experiences` VARCHAR(1000) NULL COMMENT '从业经历',
MODIFY COLUMN `achievement` VARCHAR(1000) NULL COMMENT '主要成就';

alter table `organization_info` drop column `legal_person`;

alter table `organization_info` 
MODIFY COLUMN `publicity_picture_url` VARCHAR(1000) NULL COMMENT '宣传图片';

alter table `organization_properties` 
MODIFY COLUMN `education_lab` int(5) NULL COMMENT '教育部重点实验室';

