tms-erp-api/doc/sql/transport/blade_waybill_carrier_contract_20260821.sql

ALTER TABLE `blade_waybill`
  ADD COLUMN `carrier_contract_id` bigint(20) DEFAULT NULL COMMENT '承运商合同ID' AFTER `carrier_name`,
  ADD KEY `idx_waybill_carrier_contract_id` (`carrier_contract_id`) USING BTREE;