zkxw/docs/sql/migrate-donation-infectious-disease-report.sql

-- 科研捐赠单：传染病检测报告附件字段
-- 2026-07-13

ALTER TABLE `biz_research_donation`
  ADD COLUMN `infectious_disease_report_urls` text COLLATE utf8mb4_unicode_ci COMMENT '传染病检测报告附件URL（逗号分隔）' AFTER `attachment_urls`;