ALTER TABLE `asp_model` ADD COLUMN `mode_md_id` BIGINT(20) NULL DEFAULT NULL COMMENT '����ģ��id, asp_model_delply.md_id' AFTER `model_order`; ALTER TABLE `asp_model` ADD CONSTRAINT `FK_asp_model_asp_model_deploy` FOREIGN KEY (`mode_md_id`) REFERENCES `asp_model_deploy` (`md_id`);