diff --git a/src/App.tsx b/src/App.tsx
index f19291b..4731747 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,12 +1,17 @@
-import { useState } from "react";
+import { useEffect, useState } from "react";
 
 import { getToken } from "./api";
 import { AdminShell } from "@/components/admin/AdminShell";
+import { subscribeAuthExpired } from "@/lib/auth-session";
 import { LoginPage } from "@/pages/login/LoginPage";
 
 export default function App() {
   const [authed, setAuthed] = useState(!!getToken());
 
+  useEffect(() => {
+    return subscribeAuthExpired(() => setAuthed(false));
+  }, []);
+
   if (!authed) {
     return <LoginPage onDone={() => setAuthed(true)} />;
   }
diff --git a/src/api.ts b/src/api.ts
index 566719e..2a30ee5 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -1,3 +1,5 @@
+import { notifyAuthExpired, shouldExpireAdminSession } from "@/lib/auth-session";
+
 export type Dashboard = {
   stats: {
     productCount: number;
@@ -319,6 +321,11 @@ export function clearToken() {
   window.localStorage.removeItem(TOKEN_KEY);
 }
 
+function handleAuthExpired() {
+  clearToken();
+  notifyAuthExpired();
+}
+
 async function request<T>(path: string, options: RequestInit = {}): Promise<T> {
   const headers = new Headers(options.headers);
   headers.set("Content-Type", "application/json");
@@ -331,6 +338,9 @@ async function request<T>(path: string, options: RequestInit = {}): Promise<T> {
   });
 
   if (!response.ok) {
+    if (path !== "/api/admin/auth/login" && shouldExpireAdminSession(response.status, Boolean(token))) {
+      handleAuthExpired();
+    }
     const body = await response.json().catch(() => ({}));
     throw new Error(body.message ?? `请求失败：${response.status}`);
   }
@@ -387,6 +397,9 @@ export async function uploadMediaAsset(file: File, group = "site-config") {
   });
 
   if (!response.ok) {
+    if (shouldExpireAdminSession(response.status, Boolean(token))) {
+      handleAuthExpired();
+    }
     const body = await response.json().catch(() => ({}));
     throw new Error(body.message ?? `请求失败：${response.status}`);
   }
diff --git a/src/lib/auth-session.ts b/src/lib/auth-session.ts
new file mode 100644
index 0000000..cbc274c
--- /dev/null
+++ b/src/lib/auth-session.ts
@@ -0,0 +1,14 @@
+export const AUTH_EXPIRED_EVENT = "wonderq-admin-auth-expired";
+
+export function shouldExpireAdminSession(status: number, hadToken: boolean) {
+  return hadToken && status === 401;
+}
+
+export function notifyAuthExpired() {
+  window.dispatchEvent(new Event(AUTH_EXPIRED_EVENT));
+}
+
+export function subscribeAuthExpired(callback: () => void) {
+  window.addEventListener(AUTH_EXPIRED_EVENT, callback);
+  return () => window.removeEventListener(AUTH_EXPIRED_EVENT, callback);
+}
diff --git a/src/pages/structure/StructurePage.tsx b/src/pages/structure/StructurePage.tsx
index 8f18d51..764cdb8 100644
--- a/src/pages/structure/StructurePage.tsx
+++ b/src/pages/structure/StructurePage.tsx
@@ -3,7 +3,6 @@ import {
   ArrowDown,
   ArrowUp,
   ChevronRight,
-  Eye,
   Plus,
   RefreshCcw,
   Save,
@@ -666,22 +665,8 @@ export function StructurePage({
               </Button>
             ))}
           </aside>
-        ) : (
-          <section className="page-focus-card">
-            <span className="focus-kicker">当前维护页面</span>
-            <h3>{activePage.title}</h3>
-            <p>{activePage.frontPath}</p>
-            <small>{activePage.subtitle}</small>
-          </section>
-        )}
+        ) : null}
         <section className="module-rail">
-          <div className="front-context">
-            <Eye size={18} />
-            <span>
-              <b>{activePage.frontPath}</b>
-              <small>{activePage.subtitle}</small>
-            </span>
-          </div>
           <h3>页面模块</h3>
           {activePage.modules.map((module, index) => (
             <div
diff --git a/src/styles.css b/src/styles.css
index 02aeebc..beee1e1 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -474,10 +474,7 @@ textarea {
 }
 
 .maintenance-grid.focused-page-grid {
-  grid-template-columns: minmax(190px, 240px) minmax(240px, 300px) minmax(
-      320px,
-      1fr
-    );
+  grid-template-columns: minmax(240px, 300px) minmax(320px, 1fr);
 }
 
 .page-rail,
diff --git a/tests/auth-session.test.ts b/tests/auth-session.test.ts
new file mode 100644
index 0000000..13ea4f0
--- /dev/null
+++ b/tests/auth-session.test.ts
@@ -0,0 +1,11 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+
+import { shouldExpireAdminSession } from "../src/lib/auth-session.js";
+
+test("only token-backed 401 responses expire the admin session", () => {
+  assert.equal(shouldExpireAdminSession(401, true), true);
+  assert.equal(shouldExpireAdminSession(401, false), false);
+  assert.equal(shouldExpireAdminSession(403, true), false);
+  assert.equal(shouldExpireAdminSession(500, true), false);
+});