diff --git a/apps/backend/src/services/open-91/order-create-service.js b/apps/backend/src/services/open-91/order-create-service.ts
similarity index 100%
rename from apps/backend/src/services/open-91/order-create-service.js
rename to apps/backend/src/services/open-91/order-create-service.ts
diff --git a/apps/backend/src/services/open-91/order-query-service.js b/apps/backend/src/services/open-91/order-query-service.ts
similarity index 100%
rename from apps/backend/src/services/open-91/order-query-service.js
rename to apps/backend/src/services/open-91/order-query-service.ts
diff --git a/docs/backend-typescript-migration-plan.md b/docs/backend-typescript-migration-plan.md
index daf663d8..97a8c366 100644
--- a/docs/backend-typescript-migration-plan.md
+++ b/docs/backend-typescript-migration-plan.md
@@ -553,6 +553,15 @@
     - `npm run typecheck`
     - `npm run build`
     - `npm test` 共 139 个用例通过
+126. 91卡券 Open API 下单 / 查询入口迁移到 `.ts`：
+    - `src/services/open-91/order-create-service.ts`
+    - `src/services/open-91/order-query-service.ts`
+127. 91 卡券创建订单、待补配置队列、订单查询、领取链接 cards 生成与查询日志已进入 TS 编译链路
+128. Docker 内验证通过：
+    - `src/services/open-91/shared.test.js` 共 6 个用例通过
+    - `npm run typecheck`
+    - `npm run build`
+    - `npm test` 共 139 个用例通过
 
 ## 下一步建议