diff --git a/src/app/admin/page.tsx b/src/app/admin/page.tsx
index 3067f9f..4713dcb 100644
--- a/src/app/admin/page.tsx
+++ b/src/app/admin/page.tsx
@@ -3711,6 +3711,9 @@ const NetDiskConfigComponent = ({
   const [tianyiEnabled, setTianyiEnabled] = useState(false);
   const [tianyiAccount, setTianyiAccount] = useState('');
   const [tianyiPassword, setTianyiPassword] = useState('');
+  const [pan123Enabled, setPan123Enabled] = useState(false);
+  const [pan123Account, setPan123Account] = useState('');
+  const [pan123Password, setPan123Password] = useState('');
 
   useEffect(() => {
     const quark = config?.NetDiskConfig?.Quark;
@@ -3725,6 +3728,9 @@ const NetDiskConfigComponent = ({
     setTianyiEnabled(config?.NetDiskConfig?.Tianyi?.Enabled || false);
     setTianyiAccount(config?.NetDiskConfig?.Tianyi?.Account || '');
     setTianyiPassword(config?.NetDiskConfig?.Tianyi?.Password || '');
+    setPan123Enabled(config?.NetDiskConfig?.Pan123?.Enabled || false);
+    setPan123Account(config?.NetDiskConfig?.Pan123?.Account || '');
+    setPan123Password(config?.NetDiskConfig?.Pan123?.Password || '');
   }, [config]);
 
   const handleSave = async () => {
@@ -3752,6 +3758,11 @@ const NetDiskConfigComponent = ({
             Account: tianyiAccount,
             Password: tianyiPassword,
           },
+          Pan123: {
+            Enabled: pan123Enabled,
+            Account: pan123Account,
+            Password: pan123Password,
+          },
         }),
       });
 
@@ -3878,6 +3889,35 @@ const NetDiskConfigComponent = ({
     });
   };
 
+  const handleValidatePan123 = async () => {
+    await withLoading('validatePan123NetDisk', async () => {
+      try {
+        const response = await fetch('/api/admin/netdisk', {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify({
+            action: 'validate',
+            provider: 'pan123',
+            Pan123: {
+              Account: pan123Account,
+              Password: pan123Password,
+            },
+          }),
+        });
+
+        const data = await response.json();
+        if (!response.ok) {
+          throw new Error(data.error || '校验失败');
+        }
+
+        showSuccess(data.message || '123网盘账号密码可用', showAlert);
+      } catch (error) {
+        showError(error instanceof Error ? error.message : '校验失败', showAlert);
+        throw error;
+      }
+    });
+  };
+
   return (
     <div className='space-y-6'>
       <details className='pt-4 border-t border-gray-200 dark:border-gray-700'>
@@ -4144,6 +4184,78 @@ const NetDiskConfigComponent = ({
         </div>
       </details>
 
+      <details className='pt-4 border-t border-gray-200 dark:border-gray-700'>
+        <summary className='text-sm font-semibold text-gray-900 dark:text-gray-100 cursor-pointer'>
+          123网盘
+        </summary>
+        <div className='mt-4 space-y-4'>
+          <div className='flex items-center justify-between p-4 bg-gray-50 dark:bg-gray-800 rounded-lg border border-gray-200 dark:border-gray-700'>
+            <div>
+              <h3 className='text-sm font-medium text-gray-900 dark:text-gray-100'>
+                启用123网盘
+              </h3>
+              <p className='text-xs text-gray-500 dark:text-gray-400 mt-1'>
+                开启后，网盘搜索中的123网盘资源会显示“立即播放”按钮
+              </p>
+            </div>
+            <label className='relative inline-flex items-center cursor-pointer'>
+              <input
+                type='checkbox'
+                checked={pan123Enabled}
+                onChange={(e) => setPan123Enabled(e.target.checked)}
+                className='sr-only peer'
+              />
+              <div className="w-11 h-6 bg-gray-200 peer-focus:outline-none peer-focus:ring-4 peer-focus:ring-teal-300 dark:peer-focus:ring-teal-800 rounded-full peer dark:bg-gray-700 peer-checked:after:translate-x-full rtl:peer-checked:after:-translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:start-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all dark:border-gray-600 peer-checked:bg-teal-600"></div>
+            </label>
+          </div>
+
+          <div>
+            <label className='block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2'>
+              账号
+            </label>
+            <input
+              type='text'
+              value={pan123Account}
+              onChange={(e) => setPan123Account(e.target.value)}
+              disabled={!pan123Enabled}
+              placeholder='输入123网盘账号'
+              className='w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-lg bg-white dark:bg-gray-800 text-gray-900 dark:text-gray-100 focus:ring-2 focus:ring-teal-500 focus:border-transparent disabled:opacity-50 disabled:cursor-not-allowed'
+            />
+          </div>
+
+          <div>
+            <label className='block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2'>
+              密码
+            </label>
+            <input
+              type='password'
+              value={pan123Password}
+              onChange={(e) => setPan123Password(e.target.value)}
+              disabled={!pan123Enabled}
+              placeholder='输入123网盘密码'
+              className='w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-lg bg-white dark:bg-gray-800 text-gray-900 dark:text-gray-100 focus:ring-2 focus:ring-teal-500 focus:border-transparent disabled:opacity-50 disabled:cursor-not-allowed'
+            />
+          </div>
+
+          <div className='flex gap-3'>
+            <button
+              onClick={handleValidatePan123}
+              disabled={!pan123Enabled || !pan123Account || !pan123Password || isLoading('validatePan123NetDisk')}
+              className={buttonStyles.primary}
+            >
+              {isLoading('validatePan123NetDisk') ? '校验中...' : '校验123网盘账号密码'}
+            </button>
+            <button
+              onClick={handleSave}
+              disabled={isLoading('saveNetDisk')}
+              className={buttonStyles.success}
+            >
+              {isLoading('saveNetDisk') ? '保存中...' : '保存配置'}
+            </button>
+          </div>
+        </div>
+      </details>
+
       <AlertModal
         isOpen={alertModal.isOpen}
         onClose={hideAlert}
diff --git a/src/app/api/admin/netdisk/route.ts b/src/app/api/admin/netdisk/route.ts
index 22b34c9..8a07555 100644
--- a/src/app/api/admin/netdisk/route.ts
+++ b/src/app/api/admin/netdisk/route.ts
@@ -10,6 +10,11 @@ import {
   assertMobileAuthorizationHeaderSafe,
   normalizeMobileAuthorization,
 } from '@/lib/netdisk/mobile.client';
+import {
+  normalizePan123Account,
+  normalizePan123Password,
+  validatePan123Credentials,
+} from '@/lib/netdisk/pan123.client';
 import {
   assertQuarkCookieHeaderSafe,
   normalizeQuarkCookie,
@@ -46,7 +51,7 @@ export async function POST(request: NextRequest) {
     }
 
     const body = await request.json();
-    const { action, Quark, Mobile, Baidu, Tianyi, provider } = body;
+    const { action, Quark, Mobile, Baidu, Tianyi, Pan123, provider } = body;
     const adminConfig = await getConfig();
 
     if (action === 'save') {
@@ -57,6 +62,8 @@ export async function POST(request: NextRequest) {
       const normalizedBaiduCookie = Baidu?.Cookie ? assertBaiduCookieHeaderSafe(Baidu.Cookie) : '';
       const normalizedTianyiAccount = Tianyi?.Account ? normalizeTianyiAccount(Tianyi.Account) : '';
       const normalizedTianyiPassword = Tianyi?.Password ? normalizeTianyiPassword(Tianyi.Password) : '';
+      const normalizedPan123Account = Pan123?.Account ? normalizePan123Account(Pan123.Account) : '';
+      const normalizedPan123Password = Pan123?.Password ? normalizePan123Password(Pan123.Password) : '';
 
       adminConfig.NetDiskConfig = adminConfig.NetDiskConfig || {};
       adminConfig.NetDiskConfig.Quark = {
@@ -77,6 +84,11 @@ export async function POST(request: NextRequest) {
         Account: normalizedTianyiAccount,
         Password: normalizedTianyiPassword,
       };
+      adminConfig.NetDiskConfig.Pan123 = {
+        Enabled: Boolean(Pan123?.Enabled),
+        Account: normalizedPan123Account,
+        Password: normalizedPan123Password,
+      };
 
       await db.saveAdminConfig(adminConfig);
       await setCachedConfig(adminConfig);
@@ -119,6 +131,19 @@ export async function POST(request: NextRequest) {
           message: '天翼云盘账号密码可用',
         });
       }
+      if (provider === 'pan123') {
+        if (!Pan123?.Account || !Pan123?.Password) {
+          return NextResponse.json({ error: '请先填写123网盘账号和密码' }, { status: 400 });
+        }
+        await validatePan123Credentials(
+          normalizePan123Account(Pan123.Account),
+          normalizePan123Password(Pan123.Password)
+        );
+        return NextResponse.json({
+          success: true,
+          message: '123网盘账号密码可用',
+        });
+      }
 
       if (!Quark?.Cookie) {
         return NextResponse.json({ error: '请先填写夸克 Cookie' }, { status: 400 });
diff --git a/src/app/api/netdisk/123/instant-play/route.ts b/src/app/api/netdisk/123/instant-play/route.ts
new file mode 100644
index 0000000..cf6dda5
--- /dev/null
+++ b/src/app/api/netdisk/123/instant-play/route.ts
@@ -0,0 +1,55 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+import { getAuthInfoFromCookie } from '@/lib/auth';
+import { getConfig } from '@/lib/config';
+import { listPan123ShareVideos } from '@/lib/netdisk/pan123.client';
+import { createPan123NetdiskSession } from '@/lib/netdisk/pan123-session-cache';
+import { NETDISK_123_SOURCE } from '@/lib/netdisk/source';
+import { hasFeaturePermission } from '@/lib/permissions';
+
+export const runtime = 'nodejs';
+
+export async function POST(request: NextRequest) {
+  try {
+    const authInfo = getAuthInfoFromCookie(request);
+    if (!authInfo?.username) {
+      return NextResponse.json({ error: '未登录' }, { status: 401 });
+    }
+    if (!(await hasFeaturePermission(authInfo.username, 'netdisk_temp_play'))) {
+      return NextResponse.json({ error: '无权限使用临时播放' }, { status: 403 });
+    }
+
+    const { shareUrl, passcode, title } = await request.json();
+    if (!shareUrl) {
+      return NextResponse.json({ error: '分享链接不能为空' }, { status: 400 });
+    }
+
+    const config = await getConfig();
+    const pan123Config = config.NetDiskConfig?.Pan123;
+    if (!pan123Config?.Enabled || !pan123Config.Account || !pan123Config.Password) {
+      return NextResponse.json({ error: '123网盘未配置或未启用' }, { status: 400 });
+    }
+
+    const result = await listPan123ShareVideos(shareUrl, passcode || '');
+    const session = createPan123NetdiskSession({
+      title: title || result.title,
+      shareUrl,
+      passcode,
+      files: result.files,
+    });
+
+    return NextResponse.json({
+      success: true,
+      source: NETDISK_123_SOURCE,
+      id: session.id,
+      title: title || result.title,
+      totalFiles: result.files.length,
+      expiresAt: session.expiresAt,
+    });
+  } catch (error) {
+    return NextResponse.json(
+      { error: error instanceof Error ? error.message : '立即播放失败' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/src/app/api/netdisk/123/play/route.ts b/src/app/api/netdisk/123/play/route.ts
new file mode 100644
index 0000000..5270cb7
--- /dev/null
+++ b/src/app/api/netdisk/123/play/route.ts
@@ -0,0 +1,79 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+import { getAuthInfoFromCookie } from '@/lib/auth';
+import { getConfig } from '@/lib/config';
+import { getPan123PlayInfo, listPan123ShareVideos } from '@/lib/netdisk/pan123.client';
+import {
+  createPan123NetdiskSession,
+  getPan123NetdiskSession,
+  parsePan123NetdiskId,
+  refreshPan123NetdiskSession,
+} from '@/lib/netdisk/pan123-session-cache';
+
+export const runtime = 'nodejs';
+
+export async function GET(request: NextRequest) {
+  try {
+    const authInfo = getAuthInfoFromCookie(request);
+    if (!authInfo?.username) {
+      return NextResponse.json({ error: '未授权' }, { status: 401 });
+    }
+
+    const { searchParams } = new URL(request.url);
+    const sessionId = searchParams.get('id') || searchParams.get('session');
+    const episodeIndexRaw = searchParams.get('episodeIndex');
+    const format = searchParams.get('format');
+    const quality = searchParams.get('quality') || '';
+    if (!sessionId || episodeIndexRaw == null) {
+      return NextResponse.json({ error: '缺少参数' }, { status: 400 });
+    }
+
+    const episodeIndex = Number.parseInt(episodeIndexRaw, 10);
+    if (!Number.isInteger(episodeIndex) || episodeIndex < 0) {
+      return NextResponse.json({ error: '无效的 episodeIndex' }, { status: 400 });
+    }
+
+    const config = await getConfig();
+    const pan123Config = config.NetDiskConfig?.Pan123;
+    if (!pan123Config?.Enabled || !pan123Config.Account || !pan123Config.Password) {
+      return NextResponse.json({ error: '123网盘未配置或未启用' }, { status: 400 });
+    }
+
+    let session = refreshPan123NetdiskSession(sessionId) || getPan123NetdiskSession(sessionId);
+    if (!session) {
+      const payload = parsePan123NetdiskId(sessionId);
+      const result = await listPan123ShareVideos(payload.shareUrl, payload.passcode || '');
+      session = createPan123NetdiskSession({
+        title: result.title,
+        shareUrl: payload.shareUrl,
+        passcode: payload.passcode,
+        files: result.files,
+      });
+    }
+
+    const file = session.files[episodeIndex];
+    if (!file) {
+      return NextResponse.json({ error: '播放文件不存在' }, { status: 404 });
+    }
+
+    const playInfo = await getPan123PlayInfo(file, pan123Config.Account, pan123Config.Password);
+    refreshPan123NetdiskSession(sessionId);
+    const selectedUrl = playInfo.qualities.find((item) => item.name === quality)?.url || playInfo.url;
+
+    if (format === 'json') {
+      return NextResponse.json({
+        url: selectedUrl,
+        headers: {},
+        qualities: playInfo.qualities,
+      });
+    }
+
+    return NextResponse.redirect(selectedUrl);
+  } catch (error) {
+    console.error('[netdisk-123][play] error', error);
+    return NextResponse.json(
+      { error: error instanceof Error ? error.message : '获取播放地址失败' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/src/app/api/source-detail/route.ts b/src/app/api/source-detail/route.ts
index 3bd8420..0b271c5 100644
--- a/src/app/api/source-detail/route.ts
+++ b/src/app/api/source-detail/route.ts
@@ -30,7 +30,13 @@ import {
   parseTianyiNetdiskId,
   refreshTianyiNetdiskSession,
 } from '@/lib/netdisk/tianyi-session-cache';
-import { LEGACY_QUARK_TEMP_SOURCE, NETDISK_BAIDU_SOURCE, NETDISK_MOBILE_SOURCE, NETDISK_QUARK_SOURCE, NETDISK_TIANYI_SOURCE, normalizeNetdiskSource } from '@/lib/netdisk/source';
+import {
+  createPan123NetdiskSession,
+  getPan123NetdiskSession,
+  parsePan123NetdiskId,
+  refreshPan123NetdiskSession,
+} from '@/lib/netdisk/pan123-session-cache';
+import { LEGACY_QUARK_TEMP_SOURCE, NETDISK_123_SOURCE, NETDISK_BAIDU_SOURCE, NETDISK_MOBILE_SOURCE, NETDISK_QUARK_SOURCE, NETDISK_TIANYI_SOURCE, normalizeNetdiskSource } from '@/lib/netdisk/source';
 import {
   executeSavedSourceScript,
   normalizeScriptDetailResult,
@@ -40,6 +46,30 @@ import {
 
 export const runtime = 'nodejs';
 
+function formatNetdiskEpisodeTitle(parsed: {
+  season?: number;
+  episode?: number;
+}, fallback: string) {
+  if (parsed.season && parsed.episode) {
+    const season = String(Math.trunc(parsed.season)).padStart(2, '0');
+    const episodeValue = parsed.episode;
+    const episode =
+      Number.isInteger(episodeValue)
+        ? String(Math.trunc(episodeValue)).padStart(2, '0')
+        : String(episodeValue);
+    return `S${season}E${episode}`;
+  }
+
+  if (parsed.episode) {
+    const episodeValue = parsed.episode;
+    return Number.isInteger(episodeValue)
+      ? `第${Math.trunc(episodeValue)}集`
+      : `第${episodeValue}集`;
+  }
+
+  return fallback;
+}
+
 /**
  * 根据 source 和 id 直接获取视频详情
  * 这个API专门用于play页面快速获取当前源的详情
@@ -327,16 +357,14 @@ export async function GET(request: NextRequest) {
       const { parseVideoFileName } = await import('@/lib/video-parser');
       const parsedFiles = mobileSession.files.map((file, index) => {
         const parsed = parseVideoFileName(file.name);
-        return {
-          ...file,
-          originalIndex: index,
-          sortEpisode: parsed.episode || index + 1,
-          isOVA: parsed.isOVA,
-          displayTitle:
-            parsed.title ||
-            (parsed.episode ? `第${parsed.episode}集` : file.name),
-        };
-      }).sort((a, b) => {
+          return {
+            ...file,
+            originalIndex: index,
+            sortEpisode: parsed.episode || index + 1,
+            isOVA: parsed.isOVA,
+            displayTitle: formatNetdiskEpisodeTitle(parsed, file.name),
+          };
+        }).sort((a, b) => {
         if (a.isOVA && !b.isOVA) return 1;
         if (!a.isOVA && b.isOVA) return -1;
         return a.sortEpisode !== b.sortEpisode
@@ -407,8 +435,7 @@ export async function GET(request: NextRequest) {
             originalIndex: index,
             sortEpisode: parsed.episode || index + 1,
             isOVA: parsed.isOVA,
-            displayTitle:
-              parsed.title || (parsed.episode ? `第${parsed.episode}集` : file.name),
+            displayTitle: formatNetdiskEpisodeTitle(parsed, file.name),
           };
         })
         .sort((a, b) => {
@@ -485,8 +512,7 @@ export async function GET(request: NextRequest) {
             originalIndex: index,
             sortEpisode: parsed.episode || index + 1,
             isOVA: parsed.isOVA,
-            displayTitle:
-              parsed.title || (parsed.episode ? `第${parsed.episode}集` : file.name),
+            displayTitle: formatNetdiskEpisodeTitle(parsed, file.name),
           };
         })
         .sort((a, b) => {
@@ -520,6 +546,75 @@ export async function GET(request: NextRequest) {
     }
   }
 
+  if (sourceCode === NETDISK_123_SOURCE) {
+    try {
+      const config = await getConfig();
+      const pan123Config = config.NetDiskConfig?.Pan123;
+      if (!pan123Config?.Enabled || !pan123Config.Account || !pan123Config.Password) {
+        throw new Error('123网盘未配置或未启用');
+      }
+
+      let session = refreshPan123NetdiskSession(id) || getPan123NetdiskSession(id);
+      if (!session) {
+        const payload = parsePan123NetdiskId(id);
+        const { listPan123ShareVideos } = await import('@/lib/netdisk/pan123.client');
+        const result = await listPan123ShareVideos(payload.shareUrl, payload.passcode || '');
+        session = createPan123NetdiskSession({
+          title: title || result.title,
+          shareUrl: payload.shareUrl,
+          passcode: payload.passcode,
+          files: result.files,
+        });
+      }
+      if (!session) {
+        throw new Error('123网盘播放信息恢复失败');
+      }
+
+      const pan123Session = session;
+      const { parseVideoFileName } = await import('@/lib/video-parser');
+      const parsedFiles = pan123Session.files
+        .map((file, index) => {
+          const parsed = parseVideoFileName(file.fileName);
+          return {
+            ...file,
+            originalIndex: index,
+            sortEpisode: parsed.episode || index + 1,
+            isOVA: parsed.isOVA,
+            displayTitle: formatNetdiskEpisodeTitle(parsed, file.fileName),
+          };
+        })
+        .sort((a, b) => {
+          if (a.isOVA && !b.isOVA) return 1;
+          if (!a.isOVA && b.isOVA) return -1;
+          return a.sortEpisode !== b.sortEpisode
+            ? a.sortEpisode - b.sortEpisode
+            : a.fileName.localeCompare(b.fileName, 'zh-Hans-CN', { numeric: true, sensitivity: 'base' });
+        });
+
+      return NextResponse.json({
+        source: NETDISK_123_SOURCE,
+        source_name: '123网盘',
+        id: pan123Session.id,
+        title: title || pan123Session.title,
+        poster: '',
+        year: '',
+        douban_id: 0,
+        desc: `123网盘分享：${pan123Session.shareUrl}`,
+        episodes: parsedFiles.map((file) => (
+          `/api/netdisk/123/play?id=${encodeURIComponent(pan123Session.id)}&episodeIndex=${file.originalIndex}`
+        )),
+        episodes_titles: parsedFiles.map((file) => file.displayTitle),
+        proxyMode: false,
+      });
+    } catch (error) {
+      console.error('[netdisk-123][source-detail] error', error);
+      return NextResponse.json(
+        { error: (error as Error).message },
+        { status: 500 }
+      );
+    }
+  }
+
   if (sourceCode === NETDISK_QUARK_SOURCE || sourceCode === LEGACY_QUARK_TEMP_SOURCE) {
     try {
       const config = await getConfig();
@@ -555,7 +650,7 @@ export async function GET(request: NextRequest) {
             originalIndex: index,
             fileName: file.name,
             episode: parsed.episode || index + 1,
-            title: parsed.title || (parsed.episode ? `第${parsed.episode}集` : file.name),
+            title: formatNetdiskEpisodeTitle(parsed, file.name),
             isOVA: parsed.isOVA,
           };
         })
diff --git a/src/app/page.tsx b/src/app/page.tsx
index d1f43c1..1aa6ede 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -24,6 +24,7 @@ import HttpWarningDialog from '@/components/HttpWarningDialog';
 import PageLayout from '@/components/PageLayout';
 import ScrollableRow from '@/components/ScrollableRow';
 import { useSite } from '@/components/SiteProvider';
+import Toast, { ToastProps } from '@/components/Toast';
 import VideoCard from '@/components/VideoCard';
 
 // 首页模块配置接口
@@ -70,20 +71,129 @@ function HomeClient() {
   const [mangaEnabled, setMangaEnabled] = useState(false);
   const [showDirectPlayDialog, setShowDirectPlayDialog] = useState(false);
   const [directPlayUrl, setDirectPlayUrl] = useState('');
+  const [directPlaySubmitting, setDirectPlaySubmitting] = useState(false);
+  const [toast, setToast] = useState<ToastProps | null>(null);
+
+  const detectNetdiskLink = (url: string): {
+    provider: 'quark' | 'mobile' | 'baidu' | 'tianyi' | '123';
+    shareUrl: string;
+    passcode?: string;
+  } | null => {
+    const trimmed = url.trim();
+
+    const pickPasscode = (...values: Array<string | undefined>) =>
+      values.map((item) => item?.trim()).find(Boolean);
+
+    const inlinePasscode = (text: string) =>
+      pickPasscode(
+        text.match(/(?:提取码|访问码|密码)\s*[:：=]?\s*([a-zA-Z0-9]{4,8})/i)?.[1],
+        text.match(/[?&](?:pwd|passcode|accessCode)=([^&\s]+)/i)?.[1]
+      );
+
+    if (/https:\/\/(?:www\.)?123(?:684|865|912|pan)\.(?:com|cn)\/s\//i.test(trimmed)) {
+      return {
+        provider: '123',
+        shareUrl: trimmed,
+        passcode: pickPasscode(
+          trimmed.match(/[?&]pwd=([^&]+)/i)?.[1],
+          inlinePasscode(trimmed)
+        ),
+      };
+    }
+
+    if (/https:\/\/cloud\.189\.cn\/(web\/share\?code=|t\/)/i.test(trimmed) || /https:\/\/h5\.cloud\.189\.cn\/share\.html#\/t\//i.test(trimmed)) {
+      return {
+        provider: 'tianyi',
+        shareUrl: trimmed,
+        passcode: pickPasscode(
+          trimmed.match(/[?&]pwd=([^&]+)/i)?.[1],
+          inlinePasscode(trimmed)
+        ),
+      };
+    }
+
+    if (/pan\.baidu\.com\/(s\/|wap\/init\?surl=)/i.test(trimmed)) {
+      return {
+        provider: 'baidu',
+        shareUrl: trimmed,
+        passcode: pickPasscode(
+          trimmed.match(/[?&](?:pwd|accessCode)=([^&]+)/i)?.[1],
+          inlinePasscode(trimmed)
+        ),
+      };
+    }
+
+    if (/https:\/\/pan\.quark\.cn\/s\//i.test(trimmed)) {
+      return {
+        provider: 'quark',
+        shareUrl: trimmed,
+        passcode: pickPasscode(
+          trimmed.match(/[?&](?:pwd|passcode)=([^&]+)/i)?.[1],
+          inlinePasscode(trimmed)
+        ),
+      };
+    }
+
+    if (/https:\/\/(?:yun|caiyun)\.139\.com\//i.test(trimmed)) {
+      return { provider: 'mobile', shareUrl: trimmed };
+    }
+
+    return null;
+  };
 
   const handleDirectPlay = () => {
     setDirectPlayUrl('');
     setShowDirectPlayDialog(true);
   };
 
-  const submitDirectPlay = () => {
+  const submitDirectPlay = async () => {
     const trimmed = directPlayUrl.trim();
     if (!trimmed) return;
-    const encoded = base58Encode(trimmed);
-    if (!encoded) return;
-    setShowDirectPlayDialog(false);
-    setDirectPlayUrl('');
-    router.push(`/play?source=directplay&id=${encodeURIComponent(encoded)}`);
+    setDirectPlaySubmitting(true);
+    try {
+      const netdisk = detectNetdiskLink(trimmed);
+      if (netdisk) {
+        const source =
+          netdisk.provider === 'mobile'
+            ? 'netdisk-mobile'
+            : netdisk.provider === 'baidu'
+              ? 'netdisk-baidu'
+              : netdisk.provider === 'tianyi'
+                ? 'netdisk-tianyi'
+                : netdisk.provider === '123'
+                  ? 'netdisk-123'
+                  : 'netdisk-quark';
+        const id = base58Encode(
+          JSON.stringify({
+            shareUrl: netdisk.shareUrl,
+            passcode: netdisk.passcode || '',
+          })
+        );
+        if (!id) {
+          throw new Error('网盘链接编码失败');
+        }
+        const targetUrl = `/play?source=${encodeURIComponent(source)}&id=${encodeURIComponent(id)}&title=${encodeURIComponent('网盘直链播放')}`;
+        setShowDirectPlayDialog(false);
+        setDirectPlayUrl('');
+        window.location.assign(targetUrl);
+        return;
+      }
+
+      const encoded = base58Encode(trimmed);
+      if (!encoded) return;
+      const targetUrl = `/play?source=directplay&id=${encodeURIComponent(encoded)}`;
+      setShowDirectPlayDialog(false);
+      setDirectPlayUrl('');
+      window.location.assign(targetUrl);
+    } catch (error) {
+      setToast({
+        message: error instanceof Error ? error.message : '播放失败',
+        type: 'error',
+        onClose: () => setToast(null),
+      });
+    } finally {
+      setDirectPlaySubmitting(false);
+    }
   };
 
   const loadHomeLayoutSettings = () => {
@@ -759,16 +869,18 @@ function HomeClient() {
                 </button>
                 <button
                   onClick={submitDirectPlay}
-                  disabled={!directPlayUrl.trim()}
+                  disabled={!directPlayUrl.trim() || directPlaySubmitting}
                   className='px-4 py-2 rounded-lg bg-blue-600 hover:bg-blue-700 text-white transition-colors disabled:opacity-50 disabled:cursor-not-allowed'
                 >
-                  开始播放
+                  {directPlaySubmitting ? '处理中...' : '开始播放'}
                 </button>
               </div>
             </div>
           </div>
         </div>
       )}
+
+      {toast && <Toast {...toast} />}
     </PageLayout>
   );
 }
diff --git a/src/app/play/page.tsx b/src/app/play/page.tsx
index eed02eb..2ef1f68 100644
--- a/src/app/play/page.tsx
+++ b/src/app/play/page.tsx
@@ -2504,6 +2504,7 @@ function PlayPageClient() {
     const isSpecialLazyPlayUrl =
       isXiaoyaLazyPlayUrl ||
       newUrl.startsWith('/api/openlist/play') ||
+      newUrl.startsWith('/api/netdisk/123/play') ||
       newUrl.startsWith('/api/netdisk/quark/play') ||
       newUrl.startsWith('/api/netdisk/baidu/play') ||
       newUrl.startsWith('/api/source-script/play');
diff --git a/src/components/PansouSearch.tsx b/src/components/PansouSearch.tsx
index 8bcda57..ea52caa 100644
--- a/src/components/PansouSearch.tsx
+++ b/src/components/PansouSearch.tsx
@@ -170,6 +170,8 @@ export default function PansouSearch({
             ? '/api/netdisk/baidu/instant-play'
             : cloudType === 'tianyi'
               ? '/api/netdisk/tianyi/instant-play'
+              : cloudType === '123'
+                ? '/api/netdisk/123/instant-play'
               : '/api/netdisk/quark/instant-play';
       const response = await fetch(instantPlayApi, {
         method: 'POST',
@@ -189,7 +191,7 @@ export default function PansouSearch({
       }
 
       router.push(
-        `/play?source=${encodeURIComponent(data.source || (cloudType === 'mobile' ? 'netdisk-mobile' : cloudType === 'baidu' ? 'netdisk-baidu' : cloudType === 'tianyi' ? 'netdisk-tianyi' : 'netdisk-quark'))}&id=${encodeURIComponent(data.id)}&title=${encodeURIComponent(data.title || keyword)}`
+        `/play?source=${encodeURIComponent(data.source || (cloudType === 'mobile' ? 'netdisk-mobile' : cloudType === 'baidu' ? 'netdisk-baidu' : cloudType === 'tianyi' ? 'netdisk-tianyi' : cloudType === '123' ? 'netdisk-123' : 'netdisk-quark'))}&id=${encodeURIComponent(data.id)}&title=${encodeURIComponent(data.title || keyword)}`
       );
     } catch (err: any) {
       setToast({
@@ -347,7 +349,7 @@ export default function PansouSearch({
 
                       {/* 操作按钮 */}
                       <div className='flex items-center gap-1 flex-shrink-0'>
-                        {(cloudType === 'quark' || cloudType === 'mobile' || cloudType === 'baidu' || cloudType === 'tianyi') && (
+                        {(cloudType === 'quark' || cloudType === 'mobile' || cloudType === 'baidu' || cloudType === 'tianyi' || cloudType === '123') && (
                           <>
                             <button
                               onClick={() => handleNetdiskInstantPlay(cloudType, link)}
diff --git a/src/lib/admin.types.ts b/src/lib/admin.types.ts
index 4ac529b..ad1f285 100644
--- a/src/lib/admin.types.ts
+++ b/src/lib/admin.types.ts
@@ -165,6 +165,11 @@ export interface AdminConfig {
       Account: string;
       Password: string;
     };
+    Pan123?: {
+      Enabled: boolean;
+      Account: string;
+      Password: string;
+    };
   };
   AIConfig?: {
     Enabled: boolean; // 是否启用AI问片功能
diff --git a/src/lib/config.ts b/src/lib/config.ts
index c96b4b9..45b3983 100644
--- a/src/lib/config.ts
+++ b/src/lib/config.ts
@@ -683,6 +683,11 @@ export function configSelfCheck(adminConfig: AdminConfig): AdminConfig {
         Account: '',
         Password: '',
       },
+      Pan123: {
+        Enabled: false,
+        Account: '',
+        Password: '',
+      },
     };
   }
 
@@ -716,6 +721,14 @@ export function configSelfCheck(adminConfig: AdminConfig): AdminConfig {
     };
   }
 
+  if (!adminConfig.NetDiskConfig.Pan123) {
+    adminConfig.NetDiskConfig.Pan123 = {
+      Enabled: false,
+      Account: '',
+      Password: '',
+    };
+  }
+
   // 确保音乐配置存在
   if (!adminConfig.MusicConfig) {
     adminConfig.MusicConfig = {
diff --git a/src/lib/netdisk/pan123-session-cache.ts b/src/lib/netdisk/pan123-session-cache.ts
new file mode 100644
index 0000000..cdff71e
--- /dev/null
+++ b/src/lib/netdisk/pan123-session-cache.ts
@@ -0,0 +1,86 @@
+import { base58Decode, base58Encode } from '@/lib/utils';
+
+import type { Pan123ShareVideoFile } from './pan123.client';
+
+export interface Pan123NetdiskSession {
+  id: string;
+  provider: 'pan123';
+  title: string;
+  shareUrl: string;
+  passcode?: string;
+  files: Pan123ShareVideoFile[];
+  createdAt: number;
+  expiresAt: number;
+}
+
+const TTL_MS = 30 * 60 * 1000;
+const sessionStore = new Map<string, Pan123NetdiskSession>();
+
+export function buildPan123NetdiskId(input: { shareUrl: string; passcode?: string }) {
+  return base58Encode(JSON.stringify({ shareUrl: input.shareUrl, passcode: input.passcode || '' }));
+}
+
+export function parsePan123NetdiskId(id: string): { shareUrl: string; passcode?: string } {
+  try {
+    const decoded = base58Decode(id);
+    const parsed = JSON.parse(decoded);
+    if (!parsed?.shareUrl || typeof parsed.shareUrl !== 'string') {
+      throw new Error('invalid 123 netdisk id');
+    }
+    return {
+      shareUrl: parsed.shareUrl,
+      passcode: typeof parsed.passcode === 'string' ? parsed.passcode : '',
+    };
+  } catch {
+    throw new Error('无效的123网盘播放 ID');
+  }
+}
+
+function pruneExpiredSessions() {
+  const now = Date.now();
+  for (const [key, value] of Array.from(sessionStore.entries())) {
+    if (value.expiresAt <= now) sessionStore.delete(key);
+  }
+}
+
+export function createPan123NetdiskSession(input: {
+  title: string;
+  shareUrl: string;
+  passcode?: string;
+  files: Pan123ShareVideoFile[];
+}) {
+  pruneExpiredSessions();
+  const now = Date.now();
+  const id = buildPan123NetdiskId({ shareUrl: input.shareUrl, passcode: input.passcode });
+  const session: Pan123NetdiskSession = {
+    id,
+    provider: 'pan123',
+    title: input.title,
+    shareUrl: input.shareUrl,
+    passcode: input.passcode,
+    files: input.files,
+    createdAt: now,
+    expiresAt: now + TTL_MS,
+  };
+  sessionStore.set(id, session);
+  return session;
+}
+
+export function getPan123NetdiskSession(id: string): Pan123NetdiskSession | null {
+  pruneExpiredSessions();
+  const session = sessionStore.get(id);
+  if (!session) return null;
+  if (session.expiresAt <= Date.now()) {
+    sessionStore.delete(id);
+    return null;
+  }
+  return session;
+}
+
+export function refreshPan123NetdiskSession(id: string): Pan123NetdiskSession | null {
+  const session = getPan123NetdiskSession(id);
+  if (!session) return null;
+  session.expiresAt = Date.now() + TTL_MS;
+  sessionStore.set(id, session);
+  return session;
+}
diff --git a/src/lib/netdisk/pan123-session-resolver.ts b/src/lib/netdisk/pan123-session-resolver.ts
new file mode 100644
index 0000000..58e93c2
--- /dev/null
+++ b/src/lib/netdisk/pan123-session-resolver.ts
@@ -0,0 +1,39 @@
+import { getConfig } from '@/lib/config';
+
+import { listPan123ShareVideos } from './pan123.client';
+import {
+  createPan123NetdiskSession,
+  getPan123NetdiskSession,
+  parsePan123NetdiskId,
+  refreshPan123NetdiskSession,
+} from './pan123-session-cache';
+
+export async function resolvePan123Session(id: string) {
+  const config = await getConfig();
+  const pan123Config = config.NetDiskConfig?.Pan123;
+  if (!pan123Config?.Enabled || !pan123Config.Account || !pan123Config.Password) {
+    throw new Error('123网盘未配置或未启用');
+  }
+
+  let session = refreshPan123NetdiskSession(id) || getPan123NetdiskSession(id);
+  if (!session) {
+    const payload = parsePan123NetdiskId(id);
+    const result = await listPan123ShareVideos(payload.shareUrl, payload.passcode || '');
+    session = createPan123NetdiskSession({
+      title: result.title,
+      shareUrl: payload.shareUrl,
+      passcode: payload.passcode,
+      files: result.files,
+    });
+  }
+
+  if (!session) {
+    throw new Error('123网盘播放信息恢复失败');
+  }
+
+  return {
+    session,
+    account: pan123Config.Account,
+    password: pan123Config.Password,
+  };
+}
diff --git a/src/lib/netdisk/pan123.client.ts b/src/lib/netdisk/pan123.client.ts
new file mode 100644
index 0000000..473047e
--- /dev/null
+++ b/src/lib/netdisk/pan123.client.ts
@@ -0,0 +1,451 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+export interface Pan123ShareVideoFile {
+  shareKey: string;
+  fileId: string;
+  s3KeyFlag: string;
+  size: number;
+  etag: string;
+  fileName: string;
+}
+
+export interface Pan123ShareListResult {
+  title: string;
+  files: Pan123ShareVideoFile[];
+}
+
+const SHARE_API_BASE = 'https://www.123684.com/b/api/share/';
+const VIDEO_API_BASE = 'https://www.123684.com/b/api/video/';
+const LOGIN_URL = 'https://login.123pan.com/api/user/sign_in';
+const LOGIN_TTL_MS = 30 * 60 * 1000;
+const SHARE_PAGE_TIMEOUT_MS = 15000;
+const MAX_TRAVERSE_NODES = 2000;
+const MAX_TRAVERSE_DEPTH = 20;
+const VIDEO_EXTENSIONS = [
+  '.mp4', '.mkv', '.avi', '.mov', '.flv', '.wmv', '.m3u8', '.ts', '.rmvb', '.rm', '.mpeg', '.mpg', '.m4v', '.webm',
+];
+
+const authStore = new Map<string, { token: string; expiresAt: number }>();
+
+function makeCacheKey(account: string, password: string) {
+  return `${account}\n${password}`;
+}
+
+function pruneAuthStore() {
+  const now = Date.now();
+  for (const [key, value] of Array.from(authStore.entries())) {
+    if (value.expiresAt <= now) authStore.delete(key);
+  }
+}
+
+function baseHeaders(): HeadersInit {
+  return {
+    'User-Agent':
+      'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36',
+    'Content-Type': 'application/json;charset=UTF-8',
+  };
+}
+
+function isPan123VideoFile(name: string) {
+  const lower = name.toLowerCase();
+  return VIDEO_EXTENSIONS.some((ext) => lower.endsWith(ext));
+}
+
+function shouldTreatAsPlayableFile(item: any) {
+  const fileName = String(item?.FileName || '');
+  const category = Number(item?.Category);
+  if (category === 0) return false;
+  if (isPan123VideoFile(fileName)) return true;
+  if (category === 2) return true;
+  // 某些 123 分享返回的 Category 不稳定，只要不是目录且有文件标识，就作为候选文件
+  return Boolean(item?.FileId && fileName);
+}
+
+function decodeJwtExp(token: string): number | null {
+  try {
+    const [, payload] = token.split('.');
+    if (!payload) return null;
+    const json = JSON.parse(Buffer.from(payload, 'base64url').toString('utf8'));
+    return typeof json.exp === 'number' ? json.exp * 1000 : null;
+  } catch {
+    return null;
+  }
+}
+
+function assertSafe(value: string, label: string) {
+  const normalized = value.trim();
+  for (let i = 0; i < normalized.length; i += 1) {
+    if (normalized.charCodeAt(i) > 255) {
+      throw new Error(`${label} 含有非法字符，请检查是否包含中文标点或说明文字`);
+    }
+  }
+  return normalized;
+}
+
+export function normalizePan123Account(value: string) {
+  return assertSafe(value, '123网盘账号');
+}
+
+export function normalizePan123Password(value: string) {
+  return assertSafe(value, '123网盘密码');
+}
+
+export function parsePan123ShareUrl(url: string, passcode = ''): { shareKey: string; sharePwd: string } {
+  let panUrl = decodeURIComponent(url.trim()).replace(/[#.,，/\s]+$/, '');
+  let sharePwd = passcode || '';
+
+  try {
+    const parsed = new URL(panUrl);
+    if (!sharePwd) {
+      sharePwd = parsed.searchParams.get('pwd') || parsed.searchParams.get('password') || '';
+    }
+    panUrl = `${parsed.origin}${parsed.pathname}`;
+  } catch {
+    // ignore url parse error, continue with regex fallback
+  }
+
+  const pwdMatch = panUrl.match(/[;，,\s]+[\u63d0\u53d6\u7801:：\s]*([a-zA-Z0-9]{4})/);
+  if (!sharePwd && pwdMatch?.[1]) {
+    sharePwd = pwdMatch[1];
+    panUrl = panUrl.substring(0, pwdMatch.index);
+  } else if (!sharePwd && panUrl.includes('?')) {
+    sharePwd = panUrl.slice(-4);
+    panUrl = panUrl.split('?')[0];
+  } else if (!sharePwd && panUrl.includes('码')) {
+    sharePwd = panUrl.slice(-4);
+    const firstChinese = panUrl.match(/[\u4e00-\u9fa5]/);
+    if (firstChinese?.index != null) {
+      panUrl = panUrl.slice(0, firstChinese.index);
+    }
+  }
+
+  const regex = /https:\/\/(www\.)?123(684|865|912|pan)\.(com|cn)\/s\/([^\\/]+)/;
+  const matches = regex.exec(panUrl);
+  if (!matches?.[4]) {
+    throw new Error('无法解析123网盘分享链接');
+  }
+  const shareKey = matches[4];
+  return { shareKey, sharePwd };
+}
+
+async function parseJsonResponse<T = any>(response: Response): Promise<T> {
+  const text = await response.text();
+  try {
+    return JSON.parse(text) as T;
+  } catch {
+    throw new Error(`123网盘接口返回异常：${text.slice(0, 200)}`);
+  }
+}
+
+async function fetchWithTimeout(url: string, init: RequestInit, timeoutMs: number) {
+  const controller = new AbortController();
+  const timeoutId = setTimeout(() => controller.abort(), timeoutMs);
+  try {
+    return await fetch(url, {
+      ...init,
+      signal: controller.signal,
+    });
+  } finally {
+    clearTimeout(timeoutId);
+  }
+}
+
+export function clearPan123AuthCache(account: string, password: string) {
+  authStore.delete(makeCacheKey(normalizePan123Account(account), normalizePan123Password(password)));
+}
+
+async function loginPan123(account: string, password: string): Promise<string> {
+  const safeAccount = normalizePan123Account(account);
+  const safePassword = normalizePan123Password(password);
+  const cacheKey = makeCacheKey(safeAccount, safePassword);
+  pruneAuthStore();
+  const cached = authStore.get(cacheKey);
+  if (cached && cached.expiresAt > Date.now()) return cached.token;
+
+  const response = await fetch(LOGIN_URL, {
+    method: 'POST',
+    headers: {
+      ...baseHeaders(),
+      'App-Version': '43',
+      Referer:
+        'https://login.123pan.com/centerlogin?redirect_url=https%3A%2F%2Fwww.123684.com&source_page=website',
+    },
+    body: JSON.stringify({
+      passport: safeAccount,
+      password: safePassword,
+      remember: true,
+    }),
+    cache: 'no-store',
+  });
+  const data = await parseJsonResponse<any>(response);
+  const token = String(data?.data?.token || '');
+  if (!response.ok || !token) {
+    throw new Error(data?.message || data?.msg || '123网盘登录失败');
+  }
+
+  const exp = decodeJwtExp(token);
+  authStore.set(cacheKey, {
+    token,
+    expiresAt: exp && exp > Date.now() ? exp : Date.now() + LOGIN_TTL_MS,
+  });
+  return token;
+}
+
+async function fetchSharePage(
+  shareKey: string,
+  sharePwd: string,
+  next: string | number = 0,
+  parentFileId = 0,
+  depth = 0
+): Promise<any> {
+  const query = new URLSearchParams({
+    limit: '100',
+    next: String(next),
+    orderBy: 'file_name',
+    orderDirection: 'asc',
+    shareKey,
+    SharePwd: sharePwd || '',
+    ParentFileId: String(parentFileId),
+    Page: '1',
+  });
+  const url = `${SHARE_API_BASE}get?${query.toString()}`;
+  let response: Response;
+  try {
+    response = await fetchWithTimeout(
+      url,
+      {
+        headers: baseHeaders(),
+        cache: 'no-store',
+      },
+      SHARE_PAGE_TIMEOUT_MS
+    );
+  } catch (error) {
+    if (error instanceof Error && error.name === 'AbortError') {
+      throw new Error(`123网盘目录请求超时（parentFileId=${parentFileId}, next=${next}, depth=${depth}）`);
+    }
+    throw error;
+  }
+  const data = await parseJsonResponse<any>(response);
+  if (!response.ok) {
+    throw new Error(data?.message || data?.msg || `123网盘接口请求失败 (${response.status})`);
+  }
+  return data?.data || null;
+}
+
+async function collectPan123FilesRecursive(
+  shareKey: string,
+  sharePwd: string,
+  parentFileId = 0,
+  fileNameState?: { value: string },
+  state?: {
+    visitedNodes: number;
+    seenFolderIds: Set<string>;
+    seenFileIds: Set<string>;
+    seenPageKeys: Set<string>;
+  },
+  depth = 0
+): Promise<Pan123ShareVideoFile[]> {
+  const files: Pan123ShareVideoFile[] = [];
+  let next: string | number = 0;
+  let hasMore = true;
+  const traverseState = state || {
+    visitedNodes: 0,
+    seenFolderIds: new Set<string>(),
+    seenFileIds: new Set<string>(),
+    seenPageKeys: new Set<string>(),
+  };
+  const parentFolderKey = String(parentFileId);
+
+  if (depth > MAX_TRAVERSE_DEPTH) {
+    throw new Error(`123网盘目录层级过深，已超过限制（${MAX_TRAVERSE_DEPTH}）`);
+  }
+
+  if (depth > 0) {
+    if (traverseState.seenFolderIds.has(parentFolderKey)) {
+      return files;
+    }
+    traverseState.seenFolderIds.add(parentFolderKey);
+  }
+
+  while (hasMore) {
+    const pageKey = `${parentFolderKey}:${String(next)}`;
+    if (traverseState.seenPageKeys.has(pageKey)) {
+      break;
+    }
+    traverseState.seenPageKeys.add(pageKey);
+
+    const data: any = await fetchSharePage(shareKey, sharePwd, next, parentFileId, depth);
+    if (!data) break;
+
+    const infoList = Array.isArray(data.InfoList) ? data.InfoList : [];
+    traverseState.visitedNodes += infoList.length;
+    if (traverseState.visitedNodes > MAX_TRAVERSE_NODES) {
+      throw new Error(`123网盘遍历节点过多，已超过限制（${MAX_TRAVERSE_NODES}）`);
+    }
+    const childFolders: Array<string | number> = [];
+    const queuedChildFolderIds = new Set<string>();
+
+    infoList.forEach((item: any) => {
+      const fileName = String(item.FileName || '');
+      const itemFileId = String(item.FileId || '');
+      if (fileNameState && !fileNameState.value) {
+        fileNameState.value = fileName;
+      }
+
+      if (Number(item.Category) === 0) {
+        if (!itemFileId) return;
+        if (traverseState.seenFolderIds.has(itemFileId) || queuedChildFolderIds.has(itemFileId)) {
+          return;
+        }
+        queuedChildFolderIds.add(itemFileId);
+        childFolders.push(itemFileId);
+        return;
+      }
+
+      if (shouldTreatAsPlayableFile(item)) {
+        if (!itemFileId) return;
+        if (traverseState.seenFileIds.has(itemFileId)) {
+          return;
+        }
+        traverseState.seenFileIds.add(itemFileId);
+        files.push({
+          shareKey,
+          fileId: itemFileId,
+          s3KeyFlag: String(item.S3KeyFlag || ''),
+          size: Number(item.Size || 0),
+          etag: String(item.Etag || ''),
+          fileName,
+        });
+      }
+    });
+
+    const nestedFiles = await Promise.all(
+      childFolders.map((folderId) =>
+        collectPan123FilesRecursive(
+          shareKey,
+          sharePwd,
+          Number(folderId),
+          fileNameState,
+          traverseState,
+          depth + 1
+        )
+      )
+    );
+    files.push(...nestedFiles.flat());
+
+    const nextCursor: string | number | null | undefined = data.Next;
+    if (nextCursor === undefined || nextCursor === null || nextCursor === '' || nextCursor === -1 || nextCursor === '0' || nextCursor === 0) {
+      hasMore = false;
+    } else {
+      next = nextCursor;
+    }
+  }
+
+  return files;
+}
+
+export async function listPan123ShareVideos(shareUrl: string, passcode = ''): Promise<Pan123ShareListResult> {
+  const { shareKey, sharePwd } = parsePan123ShareUrl(shareUrl, passcode);
+  const fileNameState = { value: '' };
+  const files = (await collectPan123FilesRecursive(shareKey, sharePwd, 0, fileNameState))
+    .filter((file) => file.fileId)
+    .sort((a, b) => a.fileName.localeCompare(b.fileName, 'zh-Hans-CN', { numeric: true, sensitivity: 'base' }));
+
+  if (files.length === 0) {
+    throw new Error('123网盘分享中没有视频文件');
+  }
+
+  return {
+    title: fileNameState.value || (files.length === 1 ? files[0].fileName.replace(/\.[^.]+$/, '') : '123网盘立即播放'),
+    files,
+  };
+}
+
+function decodePan123DownloadUrl(downloadUrl: string) {
+  const query = downloadUrl.split('?')[1] || '';
+  const params = new URLSearchParams(query);
+  const encoded = params.get('params') || '';
+  if (!encoded) return downloadUrl;
+  return Buffer.from(encoded, 'base64').toString('utf8');
+}
+
+export async function getPan123PlayInfo(
+  file: Pan123ShareVideoFile,
+  account: string,
+  password: string
+): Promise<{ url: string; qualities: Array<{ name: string; url: string }> }> {
+  let lastError: unknown;
+  for (let attempt = 0; attempt < 3; attempt += 1) {
+    const token = await loginPan123(account, password);
+    try {
+      const downloadResp = await fetch(`${SHARE_API_BASE}download/info`, {
+        method: 'POST',
+        headers: {
+          ...baseHeaders(),
+          Authorization: `Bearer ${token}`,
+          platform: 'android',
+        },
+        body: JSON.stringify({
+          ShareKey: file.shareKey,
+          FileID: file.fileId,
+          S3KeyFlag: file.s3KeyFlag,
+          Size: file.size,
+          Etag: file.etag,
+        }),
+        cache: 'no-store',
+      });
+      const downloadData = await parseJsonResponse<any>(downloadResp);
+      if (!downloadResp.ok) {
+        throw new Error(downloadData?.message || downloadData?.msg || `123网盘播放接口请求失败 (${downloadResp.status})`);
+      }
+
+      const rawUrl = String(downloadData?.data?.DownloadURL || '');
+      const originalUrl = rawUrl ? decodePan123DownloadUrl(rawUrl) : '';
+
+      const transcodeResp = await fetch(
+        `${VIDEO_API_BASE}play/info?${new URLSearchParams({
+          etag: file.etag,
+          size: String(file.size),
+          from: '1',
+          shareKey: file.shareKey,
+        }).toString()}`,
+        {
+          headers: {
+            ...baseHeaders(),
+            Authorization: `Bearer ${token}`,
+            platform: 'android',
+          },
+          cache: 'no-store',
+        }
+      );
+      const transcodeData = await parseJsonResponse<any>(transcodeResp);
+      const qualities = Array.isArray(transcodeData?.data?.video_play_info)
+        ? transcodeData.data.video_play_info
+            .filter((item: any) => item?.url)
+            .sort((a: any, b: any) => Number(b.height || 0) - Number(a.height || 0))
+            .map((item: any) => ({
+              name: String(item.resolution || '转码'),
+              url: String(item.url),
+            }))
+        : [];
+
+      const allQualities = [
+        ...(originalUrl ? [{ name: '原画', url: originalUrl }] : []),
+        ...qualities,
+      ];
+      const url = allQualities[0]?.url;
+      if (!url) {
+        throw new Error('未获取到123网盘播放地址');
+      }
+      return { url, qualities: allQualities };
+    } catch (error) {
+      lastError = error;
+      clearPan123AuthCache(account, password);
+    }
+  }
+  throw lastError instanceof Error ? lastError : new Error('未获取到123网盘播放地址');
+}
+
+export async function validatePan123Credentials(account: string, password: string): Promise<void> {
+  await loginPan123(account, password);
+}
diff --git a/src/lib/netdisk/source.ts b/src/lib/netdisk/source.ts
index 013df4e..432f5c6 100644
--- a/src/lib/netdisk/source.ts
+++ b/src/lib/netdisk/source.ts
@@ -3,8 +3,9 @@ export const NETDISK_QUARK_SOURCE = 'netdisk-quark';
 export const NETDISK_MOBILE_SOURCE = 'netdisk-mobile';
 export const NETDISK_BAIDU_SOURCE = 'netdisk-baidu';
 export const NETDISK_TIANYI_SOURCE = 'netdisk-tianyi';
+export const NETDISK_123_SOURCE = 'netdisk-123';
 
-export type NetdiskProvider = 'quark' | 'mobile' | 'baidu' | 'tianyi';
+export type NetdiskProvider = 'quark' | 'mobile' | 'baidu' | 'tianyi' | '123';
 
 export function normalizeNetdiskSource(source?: string | null): string {
   if (!source) return '';
@@ -14,7 +15,7 @@ export function normalizeNetdiskSource(source?: string | null): string {
 
 export function isNetdiskSource(source?: string | null): boolean {
   const normalized = normalizeNetdiskSource(source);
-  return normalized === NETDISK_QUARK_SOURCE || normalized === NETDISK_MOBILE_SOURCE || normalized === NETDISK_BAIDU_SOURCE || normalized === NETDISK_TIANYI_SOURCE;
+  return normalized === NETDISK_QUARK_SOURCE || normalized === NETDISK_MOBILE_SOURCE || normalized === NETDISK_BAIDU_SOURCE || normalized === NETDISK_TIANYI_SOURCE || normalized === NETDISK_123_SOURCE;
 }
 
 export function getNetdiskProvider(source?: string | null): NetdiskProvider | null {
@@ -23,6 +24,7 @@ export function getNetdiskProvider(source?: string | null): NetdiskProvider | nu
   if (normalized === NETDISK_MOBILE_SOURCE) return 'mobile';
   if (normalized === NETDISK_BAIDU_SOURCE) return 'baidu';
   if (normalized === NETDISK_TIANYI_SOURCE) return 'tianyi';
+  if (normalized === NETDISK_123_SOURCE) return '123';
   return null;
 }
 
@@ -41,3 +43,7 @@ export function isNetdiskBaiduSource(source?: string | null): boolean {
 export function isNetdiskTianyiSource(source?: string | null): boolean {
   return normalizeNetdiskSource(source) === NETDISK_TIANYI_SOURCE;
 }
+
+export function isNetdisk123Source(source?: string | null): boolean {
+  return normalizeNetdiskSource(source) === NETDISK_123_SOURCE;
+}