diff --git a/apps/backend/src/routes/admin.js b/apps/backend/src/routes/admin.ts
similarity index 100%
rename from apps/backend/src/routes/admin.js
rename to apps/backend/src/routes/admin.ts
diff --git a/apps/backend/src/routes/claims.js b/apps/backend/src/routes/claims.ts
similarity index 100%
rename from apps/backend/src/routes/claims.js
rename to apps/backend/src/routes/claims.ts
diff --git a/apps/backend/src/routes/open-91.js b/apps/backend/src/routes/open-91.ts
similarity index 100%
rename from apps/backend/src/routes/open-91.js
rename to apps/backend/src/routes/open-91.ts
diff --git a/apps/backend/src/routes/tencent.js b/apps/backend/src/routes/tencent.ts
similarity index 100%
rename from apps/backend/src/routes/tencent.js
rename to apps/backend/src/routes/tencent.ts
diff --git a/apps/backend/src/routes/webhooks.js b/apps/backend/src/routes/webhooks.ts
similarity index 100%
rename from apps/backend/src/routes/webhooks.js
rename to apps/backend/src/routes/webhooks.ts
diff --git a/docs/backend-typescript-migration-plan.md b/docs/backend-typescript-migration-plan.md
index 0f3d7c45..37b328d0 100644
--- a/docs/backend-typescript-migration-plan.md
+++ b/docs/backend-typescript-migration-plan.md
@@ -851,6 +851,18 @@
     - `npm run build`
     - `npm test` 共 139 个用例通过
 224. `src/routes/admin` 目录下非测试 `.js` 路由文件已全部迁移为 `.ts`
+225. 外层 API 路由迁移到 `.ts`：
+    - `src/routes/admin.ts`
+    - `src/routes/claims.ts`
+    - `src/routes/open-91.ts`
+    - `src/routes/tencent.ts`
+    - `src/routes/webhooks.ts`
+226. Admin 聚合路由、领取页 / 快手 Cloud 领取动作、91 卡券开放接口、腾讯浏览器会话接口和 Agiso webhook 入口已进入 TS 编译链路；现阶段保持路由编排行为不变，依赖已迁移服务层类型进行约束
+227. Docker 内验证通过：
+    - `npm run typecheck`
+    - `npm run build`
+    - `npm test` 共 139 个用例通过
+228. `src/routes` 目录下非测试 `.js` 路由文件已全部迁移为 `.ts`
 
 ## 下一步建议