-- 母亲邮箱：采集协议当事人、科研捐赠当事人
ALTER TABLE `biz_protocol_party_customer`
  ADD COLUMN `mother_email` varchar(128) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '母亲邮箱' AFTER `mother_ethnic`;

ALTER TABLE `biz_research_donation_party`
  ADD COLUMN `mother_email` varchar(128) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '母亲邮箱' AFTER `mother_ethnic`;