diff --git a/script/incrementSQL/lims-system b/script/incrementSQL/lims-system
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+
+-- 弃用f_task_blueprint表两个字段
+ALTER TABLE `lims_system`.`f_task_blueprint`
+  MODIFY COLUMN `back_cross_recipient_by` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '任务书回交接收人（弃用）' AFTER `back_cross_time`,
+  MODIFY COLUMN `demand_completion_time` datetime NULL DEFAULT NULL COMMENT '要求完成时间（弃用，已加到etask表中）' AFTER `back_cross_recipient_by`;
+
+-- f_etask表增加三个字段
+ALTER TABLE `lims_system`.`f_etask`
+  ADD COLUMN `task_issued_by` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '任务下达人' AFTER `is_deleted`,
+  ADD COLUMN `back_cross_time` datetime(0) NULL DEFAULT NULL COMMENT '任务书回交日期' AFTER `task_issued_by`,
+  ADD COLUMN `back_cross_recipient_by` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '任务书回交接收人' AFTER `back_cross_time`;
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