diff --git a/src/App.tsx b/src/App.tsx
index af9163b..504610d 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -6,8 +6,6 @@ import {
   Check,
   ChevronUp,
   ExternalLink,
-  FileKey,
-  Gauge,
   History,
   House,
   Languages,
@@ -23,10 +21,8 @@ import appLogo from './assets/logo.jpg';
 import { CoreRuntimeProvider, useCoreRuntime } from './coreRuntime';
 import { ConfigPanelPage } from './pages/ConfigPanel';
 import { ApiAccessPage } from './pages/ApiAccessPage';
-import { AuthFileManagementPage } from './pages/AuthFileManagementPage';
 import { KernelPage } from './pages/Kernel';
-import { OAuthLoginPage } from './pages/ManagementPages';
-import { QuotaPage } from './pages/QuotaPage';
+import { OAuthManagementPage } from './pages/ManagementPages';
 import { AgentsPage } from './pages/AgentsPage';
 import { UsageRecordsPage } from './pages/UsageRecordsPage';
 import { languageOptions, useI18n } from './i18n';
@@ -60,7 +56,7 @@ const pages = [
     id: 'oauth',
     labelKey: 'app.nav.oauth',
     icon: LogIn,
-    component: OAuthLoginPage,
+    component: OAuthManagementPage,
   },
   {
     id: 'api',
@@ -68,18 +64,6 @@ const pages = [
     icon: Network,
     component: ApiAccessPage,
   },
-  {
-    id: 'auth-files',
-    labelKey: 'app.nav.authFiles',
-    icon: FileKey,
-    component: AuthFileManagementPage,
-  },
-  {
-    id: 'quota',
-    labelKey: 'app.nav.quota',
-    icon: Gauge,
-    component: QuotaPage,
-  },
   {
     id: 'usage-records',
     labelKey: 'app.nav.usageRecords',
diff --git a/src/i18n/ja.ts b/src/i18n/ja.ts
index 9b7c611..49987fb 100644
--- a/src/i18n/ja.ts
+++ b/src/i18n/ja.ts
@@ -60,6 +60,7 @@ export const jaOverrides = {
   'quota.confirm.expiry': '最も早い有効期限：{time}',
   'quota.confirm.warning': '「確認」を押した場合のみ実行されます。「キャンセル」ではリセット回数を消費しません。',
   'oauth.title': 'OAuth ログイン',
+  'oauth.tabs.label': 'OAuth 管理ページ',
   'oauth.loginSuccess': '{provider} へのログインに成功しました',
   'oauth.priorityApplyFailed': 'OAuth ログインは成功しましたが、新しい認証情報の優先度を 0 に設定できませんでした：{error}',
   'oauth.authFailed': '認証に失敗しました',
diff --git a/src/i18n/resources.ts b/src/i18n/resources.ts
index 4142ca4..3658bdc 100644
--- a/src/i18n/resources.ts
+++ b/src/i18n/resources.ts
@@ -63,6 +63,7 @@ export const zhCN = {
   'quota.confirm.expiry': '最早过期：{time}',
   'quota.confirm.warning': '只有点击“确定”后才会执行；点击“取消”不会消耗重置机会。',
   'oauth.title': 'OAuth 登录',
+  'oauth.tabs.label': 'OAuth 管理子页面',
   'oauth.loginSuccess': '{provider} 登录成功',
   'oauth.priorityApplyFailed': 'OAuth 登录成功，但无法将新凭证的优先级设为 0：{error}',
   'oauth.authFailed': '认证失败',
@@ -951,6 +952,7 @@ export const en: Record<MessageKey, string> = {
   'quota.confirm.expiry': 'Earliest expiry: {time}',
   'quota.confirm.warning': 'The reset runs only after you confirm. Canceling will not consume a reset credit.',
   'oauth.title': 'OAuth Sign-In',
+  'oauth.tabs.label': 'OAuth management sections',
   'oauth.loginSuccess': '{provider} sign-in succeeded',
   'oauth.priorityApplyFailed': 'OAuth sign-in succeeded, but the new credential priority could not be set to 0: {error}',
   'oauth.authFailed': 'Authentication failed',
diff --git a/src/oauthNavigation.ts b/src/oauthNavigation.ts
new file mode 100644
index 0000000..4c8ca9e
--- /dev/null
+++ b/src/oauthNavigation.ts
@@ -0,0 +1,7 @@
+export const oauthSubpages = [
+  { id: 'login', labelKey: 'oauth.title' },
+  { id: 'authFiles', labelKey: 'authFiles.title' },
+  { id: 'quota', labelKey: 'quota.title' },
+] as const;
+
+export type OAuthSubpage = (typeof oauthSubpages)[number]['id'];
diff --git a/src/pages/ManagementPages.tsx b/src/pages/ManagementPages.tsx
index 6db0fc2..0b69ea3 100644
--- a/src/pages/ManagementPages.tsx
+++ b/src/pages/ManagementPages.tsx
@@ -13,12 +13,15 @@ import codexIcon from '../assets/icons/codex.svg';
 import grokIcon from '../assets/icons/grok.svg';
 import kimiIcon from '../assets/icons/kimi-light.svg';
 import { useI18n } from '../i18n';
+import { oauthSubpages, type OAuthSubpage } from '../oauthNavigation';
 import {
   changedOAuthAuthFileNames,
   snapshotAuthFiles,
   type AuthFileSnapshot,
 } from '../services/authFiles';
 import { managementApi, responseList } from '../services/managementApi';
+import { AuthFileManagementPage } from './AuthFileManagementPage';
+import { QuotaPage } from './QuotaPage';
 
 type OAuthProviderId = 'codex' | 'claude' | 'antigravity' | 'kimi' | 'xai';
 type OAuthFlowStatus = 'idle' | 'waiting' | 'success' | 'error';
@@ -65,6 +68,51 @@ const XAI_CALLBACK_URL = 'http://127.0.0.1:56121/callback';
 const OAUTH_SUCCESS_RESET_MS = 5000;
 const OAUTH_POLL_INTERVAL_MS = 3000;
 
+export function OAuthManagementPage() {
+  const { t } = useI18n();
+  const [activeSubpage, setActiveSubpage] = useState<OAuthSubpage>('login');
+
+  return (
+    <section className="page oauth-management-page">
+      <div
+        className="agent-subpage-tabs oauth-subpage-tabs"
+        role="tablist"
+        aria-label={t('oauth.tabs.label')}
+      >
+        {oauthSubpages.map((subpage) => {
+          const active = activeSubpage === subpage.id;
+          return (
+            <button
+              type="button"
+              id={`oauth-subpage-tab-${subpage.id}`}
+              key={subpage.id}
+              role="tab"
+              className={active ? 'active' : ''}
+              aria-selected={active}
+              aria-controls={`oauth-subpage-panel-${subpage.id}`}
+              tabIndex={active ? 0 : -1}
+              onClick={() => setActiveSubpage(subpage.id)}
+            >
+              {t(subpage.labelKey)}
+            </button>
+          );
+        })}
+      </div>
+
+      <div
+        className="oauth-subpage-panel"
+        id={`oauth-subpage-panel-${activeSubpage}`}
+        role="tabpanel"
+        aria-labelledby={`oauth-subpage-tab-${activeSubpage}`}
+      >
+        {activeSubpage === 'login' ? <OAuthLoginPage /> : null}
+        {activeSubpage === 'authFiles' ? <AuthFileManagementPage /> : null}
+        {activeSubpage === 'quota' ? <QuotaPage /> : null}
+      </div>
+    </section>
+  );
+}
+
 export function OAuthLoginPage() {
   const { t } = useI18n();
   const [states, setStates] = useState<Partial<Record<OAuthProviderId, OAuthProviderState>>>({});
diff --git a/src/styles.css b/src/styles.css
index 133ceb3..3961673 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -4498,6 +4498,13 @@ textarea:focus-visible {
   box-shadow: 0 1px 4px rgba(45, 42, 38, 0.14);
 }
 
+.oauth-management-page,
+.oauth-subpage-panel {
+  display: grid;
+  min-width: 0;
+  gap: 18px;
+}
+
 .agent-core-config {
   display: grid;
   min-width: 0;
diff --git a/tests/navigationAndUpdate.test.ts b/tests/navigationAndUpdate.test.ts
index df52750..4c15c10 100644
--- a/tests/navigationAndUpdate.test.ts
+++ b/tests/navigationAndUpdate.test.ts
@@ -1,6 +1,7 @@
 import { describe, expect, test } from 'bun:test';
 import { appUpdateIndicatorState } from '../src/appUpdateModel';
 import { canOpenAppPage, isAlwaysAvailablePage } from '../src/navigation';
+import { oauthSubpages } from '../src/oauthNavigation';
 
 describe('首页、配置与版本管理导航', () => {
   test('内核停止时首页、配置和版本管理始终可进入', () => {
@@ -19,6 +20,17 @@ describe('首页、配置与版本管理导航', () => {
   });
 });
 
+describe('OAuth 子页面导航', () => {
+  test('认证文件和额度查询收纳在 OAuth 页面内', () => {
+    expect(oauthSubpages.map((page) => page.id)).toEqual(['login', 'authFiles', 'quota']);
+    expect(oauthSubpages.map((page) => page.labelKey)).toEqual([
+      'oauth.title',
+      'authFiles.title',
+      'quota.title',
+    ]);
+  });
+});
+
 describe('软件更新导航提示点', () => {
   test('有新版显示橙点，处理中的蓝点优先', () => {
     expect(appUpdateIndicatorState(true, false)).toBe('available');