diff --git a/web/src/application.tsx b/web/src/application.tsx
index 62d2c9c8e..52b71585a 100644
--- a/web/src/application.tsx
+++ b/web/src/application.tsx
@@ -2,6 +2,9 @@ import React from "react";
 import { createRoot } from "react-dom/client";
 import "antd/dist/reset.css";
 import "./styles/globals.css";
+// 全局自举内置插件注册（editor-shell 等预设以模块副作用注册编辑器插槽）：
+// 冷启动直达编辑器时素材/时间线等插槽不再为空。
+import "@/lib/plugins/builtin";
 import { RouterProvider } from "react-router";
 
 import { AppProviders } from "@/components/layout/app-providers";