#删除用户名唯一性索引
ALTER TABLE `user`
DROP INDEX `ak_user_username`;

ALTER TABLE `sb_sponsorlicense`
ADD COLUMN `legalPersonNo`  varchar(50) NULL COMMENT '法人身份证号' AFTER `currencybf`;

ALTER TABLE `security_company`
ADD COLUMN `legalPersonNo`  varchar(50) NULL COMMENT '法人身份证号' AFTER `areacode`;

update security_company set legalPersonNo = principal_id;