提交

backend/scripts/migrate_20260806_pl_plan_pickup_delivery_contact.sql

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+-- 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`;