shanxia2.0/backend/scripts/migrate_20260806_pl_plan_pickup_delivery_contact.sql

-- backend/scripts/migrate_20260806_pl_plan_pickup_delivery_contact.sql
-- 运输计划：取货/送货联系方式

ALTER TABLE `pl_plan`
  ADD COLUMN `pickup_contact` varchar(200) DEFAULT NULL COMMENT '取货联系方式' AFTER `pickup_time`,
  ADD COLUMN `delivery_contact` varchar(200) DEFAULT NULL COMMENT '送货联系方式' AFTER `delivery_time`;