diff --git a/upgrade/3.1.2/settlement.sql b/upgrade/3.1.2/settlement.sql
new file mode 100644
index 00000000..042fcac4
--- /dev/null
+++ b/upgrade/3.1.2/settlement.sql
@@ -0,0 +1,34 @@
+-- 未对已有数据进行处理 --
+
+-- order --
+ALTER TABLE `order` ADD COLUMN `settlePlanned` bigint NOT NULL DEFAULT 0;
+ALTER TABLE `order` MODIFY COLUMN `settled` bigint NULL DEFAULT 0;
+UPDATE `order` SET `settled` = 0;
+
+-- settlePlan --
+CREATE TABLE `settlePlan`  (
+  `when` bigint NULL DEFAULT NULL,
+  `orderId` char(36) COLLATE utf8mb4_general_ci NOT NULL,
+  `price` bigint NOT NULL,
+  `iState` enum('unsettled','settled','closed') COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
+  `id` char(36) COLLATE utf8mb4_general_ci NOT NULL,
+  `$$seq$$` bigint NOT NULL AUTO_INCREMENT,
+  `$$createAt$$` bigint NOT NULL,
+  `$$updateAt$$` bigint NOT NULL,
+  `$$deleteAt$$` bigint DEFAULT NULL,
+  `$$triggerData$$` json DEFAULT NULL,
+  `$$triggerUuid$$` char(36) COLLATE utf8mb4_general_ci DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE INDEX `$$seq$$`(`$$seq$$`),
+  INDEX `settlePlan_create_at_auto_create`(`$$createAt$$`, `$$deleteAt$$`),
+  INDEX `settlePlan_update_at_auto_create`(`$$updateAt$$`, `$$deleteAt$$`),
+  INDEX `settlePlan_trigger_uuid`(`$$triggerUuid$$`, `$$deleteAt$$`),
+  INDEX `settlePlan_fk_orderId_auto_create`(`orderId`, `$$deleteAt$$`)
+) ENGINE = InnoDB AUTO_INCREMENT = 10000 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
+
+-- settlement --
+ALTER TABLE `settlement` ADD COLUMN `planId`char(36) COLLATE utf8mb4_general_ci NOT NULL;
+ALTER TABLE `settlement` MODIFY COLUMN `iState` enum('unsettled','settled','closed') COLLATE utf8mb4_general_ci DEFAULT NULL;
+ALTER TABLE `settlement` ADD COLUMN `settledAt` bigint NULL DEFAULT NULL;
+ALTER TABLE `settlement` ADD COLUMN `closedAt` bigint NULL DEFAULT NULL;
+ALTER TABLE `settlement` DROP COLUMN `orderId`;
\ No newline at end of file