diff --git a/sentence_api/main.py b/sentence_api/main.py
index 975ab0c..faadb90 100644
--- a/sentence_api/main.py
+++ b/sentence_api/main.py
@@ -245,7 +245,8 @@ def create_app(
         page = static_dir / "admin.html"
         if not page.is_file():
             raise HTTPException(status_code=404, detail="Admin UI is not installed.")
-        return FileResponse(page)
+        # 后台页面本身不缓存，静态 JS 通过版本号刷新，避免发布后浏览器继续跑旧逻辑。
+        return FileResponse(page, headers={"Cache-Control": "no-cache"})
 
     @application.get("/api/v1/videos", response_model=VideoListResponse)
     def list_videos() -> VideoListResponse:
diff --git a/sentence_api/static/admin.html b/sentence_api/static/admin.html
index b0f9408..1281135 100644
--- a/sentence_api/static/admin.html
+++ b/sentence_api/static/admin.html
@@ -91,6 +91,6 @@
     </div>
   </dialog>
 
-  <script src="/static/admin.js?v=boundary-adjust-v1" defer></script>
+  <script src="/static/admin.js?v=admin-title-autofill-v2" defer></script>
 </body>
 </html>