diff --git a/src/app/admin/page.tsx b/src/app/admin/page.tsx
index 3f616e3..ef36899 100644
--- a/src/app/admin/page.tsx
+++ b/src/app/admin/page.tsx
@@ -3718,6 +3718,8 @@ const NetDiskConfigComponent = ({
   const [ucCookie, setUcCookie] = useState('');
   const [ucToken, setUcToken] = useState('');
   const [ucSavePath, setUcSavePath] = useState('/');
+  const [pan115Enabled, setPan115Enabled] = useState(false);
+  const [pan115Cookie, setPan115Cookie] = useState('');
 
   useEffect(() => {
     const quark = config?.NetDiskConfig?.Quark;
@@ -3739,6 +3741,8 @@ const NetDiskConfigComponent = ({
     setUcCookie(config?.NetDiskConfig?.UC?.Cookie || '');
     setUcToken(config?.NetDiskConfig?.UC?.Token || '');
     setUcSavePath(config?.NetDiskConfig?.UC?.SavePath || '/');
+    setPan115Enabled(config?.NetDiskConfig?.Pan115?.Enabled || false);
+    setPan115Cookie(config?.NetDiskConfig?.Pan115?.Cookie || '');
   }, [config]);
 
   const handleSave = async () => {
@@ -3777,6 +3781,10 @@ const NetDiskConfigComponent = ({
             Token: ucToken,
             SavePath: ucSavePath,
           },
+          Pan115: {
+            Enabled: pan115Enabled,
+            Cookie: pan115Cookie,
+          },
         }),
       });
 
@@ -3962,6 +3970,34 @@ const NetDiskConfigComponent = ({
     });
   };
 
+  const handleValidatePan115 = async () => {
+    await withLoading('validatePan115NetDisk', async () => {
+      try {
+        const response = await fetch('/api/admin/netdisk', {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify({
+            action: 'validate',
+            provider: 'pan115',
+            Pan115: {
+              Cookie: pan115Cookie,
+            },
+          }),
+        });
+
+        const data = await response.json();
+        if (!response.ok) {
+          throw new Error(data.error || '校验失败');
+        }
+
+        showSuccess(data.message || '115 Cookie 格式正常', 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'>
@@ -4386,6 +4422,64 @@ 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'>
+          115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115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115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={pan115Enabled}
+                onChange={(e) => setPan115Enabled(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-amber-300 dark:peer-focus:ring-amber-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-amber-600"></div>
+            </label>
+          </div>
+
+          <div>
+            <label className='block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2'>
+              Cookie
+            </label>
+            <textarea
+              value={pan115Cookie}
+              onChange={(e) => setPan115Cookie(e.target.value)}
+              disabled={!pan115Enabled}
+              rows={5}
+              placeholder='粘贴115网盘 Cookie'
+              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-amber-500 focus:border-transparent disabled:opacity-50 disabled:cursor-not-allowed'
+            />
+          </div>
+
+          <div className='flex gap-3'>
+            <button
+              onClick={handleValidatePan115}
+              disabled={!pan115Enabled || !pan115Cookie || isLoading('validatePan115NetDisk')}
+              className={buttonStyles.primary}
+            >
+              {isLoading('validatePan115NetDisk') ? '校验中...' : '校验115 Cookie'}
+            </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 0828314..4230490 100644
--- a/src/app/api/admin/netdisk/route.ts
+++ b/src/app/api/admin/netdisk/route.ts
@@ -15,6 +15,7 @@ import {
   normalizePan123Password,
   validatePan123Credentials,
 } from '@/lib/netdisk/pan123.client';
+import { assertPan115CookieHeaderSafe, normalizePan115Cookie, validatePan115Cookie } from '@/lib/netdisk/pan115.client';
 import {
   assertQuarkCookieHeaderSafe,
   normalizeQuarkCookie,
@@ -56,7 +57,7 @@ export async function POST(request: NextRequest) {
     }
 
     const body = await request.json();
-    const { action, Quark, Mobile, Baidu, Tianyi, Pan123, UC, provider } = body;
+    const { action, Quark, Mobile, Baidu, Tianyi, Pan123, UC, Pan115, provider } = body;
     const adminConfig = await getConfig();
 
     if (action === 'save') {
@@ -71,6 +72,7 @@ export async function POST(request: NextRequest) {
       const normalizedPan123Password = Pan123?.Password ? normalizePan123Password(Pan123.Password) : '';
       const normalizedUCCookie = UC?.Cookie ? assertUCCookieHeaderSafe(UC.Cookie) : '';
       const normalizedUCToken = UC?.Token ? String(UC.Token).trim() : '';
+      const normalizedPan115Cookie = Pan115?.Cookie ? assertPan115CookieHeaderSafe(Pan115.Cookie) : '';
 
       adminConfig.NetDiskConfig = adminConfig.NetDiskConfig || {};
       adminConfig.NetDiskConfig.Quark = {
@@ -102,6 +104,10 @@ export async function POST(request: NextRequest) {
         Token: normalizedUCToken,
         SavePath: UC?.SavePath || '/',
       };
+      adminConfig.NetDiskConfig.Pan115 = {
+        Enabled: Boolean(Pan115?.Enabled),
+        Cookie: normalizedPan115Cookie,
+      };
 
       await db.saveAdminConfig(adminConfig);
       await setCachedConfig(adminConfig);
@@ -167,6 +173,16 @@ export async function POST(request: NextRequest) {
           message: 'UC Cookie 可读',
         });
       }
+      if (provider === 'pan115') {
+        if (!Pan115?.Cookie) {
+          return NextResponse.json({ error: '请先填写115 Cookie' }, { status: 400 });
+        }
+        await validatePan115Cookie(normalizePan115Cookie(Pan115.Cookie));
+        return NextResponse.json({
+          success: true,
+          message: '115 Cookie 格式正常',
+        });
+      }
 
       if (!Quark?.Cookie) {
         return NextResponse.json({ error: '请先填写夸克 Cookie' }, { status: 400 });
diff --git a/src/app/api/netdisk/115/instant-play/route.ts b/src/app/api/netdisk/115/instant-play/route.ts
new file mode 100644
index 0000000..47ae558
--- /dev/null
+++ b/src/app/api/netdisk/115/instant-play/route.ts
@@ -0,0 +1,54 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+import { getAuthInfoFromCookie } from '@/lib/auth';
+import { getConfig } from '@/lib/config';
+import { listPan115ShareVideos } from '@/lib/netdisk/pan115.client';
+import { createPan115NetdiskSession } from '@/lib/netdisk/pan115-session-cache';
+import { NETDISK_115_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 pan115Config = config.NetDiskConfig?.Pan115;
+    if (!pan115Config?.Enabled || !pan115Config.Cookie) {
+      return NextResponse.json({ error: '115网盘未配置或未启用' }, { status: 400 });
+    }
+
+    const result = await listPan115ShareVideos(shareUrl, passcode || '');
+    const session = createPan115NetdiskSession({
+      title: title || result.title,
+      shareUrl,
+      passcode,
+      files: result.files,
+    });
+
+    return NextResponse.json({
+      success: true,
+      source: NETDISK_115_SOURCE,
+      id: session.id,
+      title: title || result.title,
+      fileCount: result.files.length,
+    });
+  } 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/115/play/route.ts b/src/app/api/netdisk/115/play/route.ts
new file mode 100644
index 0000000..df8a188
--- /dev/null
+++ b/src/app/api/netdisk/115/play/route.ts
@@ -0,0 +1,51 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+import { getAuthInfoFromCookie } from '@/lib/auth';
+import { getPan115PlayUrl } from '@/lib/netdisk/pan115.client';
+import { getPan115NetdiskSession, refreshPan115NetdiskSession } from '@/lib/netdisk/pan115-session-cache';
+import { resolvePan115Session } from '@/lib/netdisk/pan115-session-resolver';
+
+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 id = searchParams.get('id') || searchParams.get('session');
+    const episodeIndexRaw = searchParams.get('episodeIndex');
+    const format = searchParams.get('format');
+    if (!id || 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 });
+    }
+
+    refreshPan115NetdiskSession(id) || getPan115NetdiskSession(id);
+    const { session, cookie } = await resolvePan115Session(id);
+    const file = session.files[episodeIndex];
+    if (!file) {
+      return NextResponse.json({ error: '播放文件不存在' }, { status: 404 });
+    }
+
+    const url = await getPan115PlayUrl(file, cookie);
+    refreshPan115NetdiskSession(id);
+
+    if (format === 'json') {
+      return NextResponse.json({ url, headers: {} });
+    }
+
+    return NextResponse.redirect(url);
+  } catch (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 2af55b1..4318b03 100644
--- a/src/app/api/source-detail/route.ts
+++ b/src/app/api/source-detail/route.ts
@@ -24,6 +24,12 @@ import {
   parsePan123NetdiskId,
   refreshPan123NetdiskSession,
 } from '@/lib/netdisk/pan123-session-cache';
+import {
+  createPan115NetdiskSession,
+  getPan115NetdiskSession,
+  parsePan115NetdiskId,
+  refreshPan115NetdiskSession,
+} from '@/lib/netdisk/pan115-session-cache';
 import {
   createQuarkNetdiskSession,
   getQuarkNetdiskSession,
@@ -32,6 +38,7 @@ import {
 } from '@/lib/netdisk/quark-session-cache';
 import {
   LEGACY_QUARK_TEMP_SOURCE,
+  NETDISK_115_SOURCE,
   NETDISK_123_SOURCE,
   NETDISK_BAIDU_SOURCE,
   NETDISK_MOBILE_SOURCE,
@@ -630,6 +637,74 @@ export async function GET(request: NextRequest) {
     }
   }
 
+  if (sourceCode === NETDISK_115_SOURCE) {
+    try {
+      const config = await getConfig();
+      const pan115Config = config.NetDiskConfig?.Pan115;
+      if (!pan115Config?.Enabled || !pan115Config.Cookie) {
+        throw new Error('115网盘未配置或未启用');
+      }
+
+      let session = refreshPan115NetdiskSession(id) || getPan115NetdiskSession(id);
+      if (!session) {
+        const payload = parsePan115NetdiskId(id);
+        const { listPan115ShareVideos } = await import('@/lib/netdisk/pan115.client');
+        const result = await listPan115ShareVideos(payload.shareUrl, payload.passcode || '');
+        session = createPan115NetdiskSession({
+          title: title || result.title,
+          shareUrl: payload.shareUrl,
+          passcode: payload.passcode,
+          files: result.files,
+        });
+      }
+      if (!session) {
+        throw new Error('115网盘播放信息恢复失败');
+      }
+
+      const pan115Session = session;
+      const { parseVideoFileName } = await import('@/lib/video-parser');
+      const parsedFiles = pan115Session.files
+        .map((file, index) => {
+          const parsed = parseVideoFileName(file.name);
+          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
+            ? a.sortEpisode - b.sortEpisode
+            : a.name.localeCompare(b.name, 'zh-Hans-CN', { numeric: true, sensitivity: 'base' });
+        });
+
+      return NextResponse.json({
+        source: NETDISK_115_SOURCE,
+        source_name: '115网盘',
+        id: pan115Session.id,
+        title: title || pan115Session.title,
+        poster: '',
+        year: '',
+        douban_id: 0,
+        desc: `115网盘分享：${pan115Session.shareUrl}`,
+        episodes: parsedFiles.map((file) => (
+          `/api/netdisk/115/play?id=${encodeURIComponent(pan115Session.id)}&episodeIndex=${file.originalIndex}`
+        )),
+        episodes_titles: parsedFiles.map((file) => file.displayTitle),
+        proxyMode: false,
+      });
+    } catch (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();
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 303e758..a15eb01 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -72,7 +72,7 @@ function HomeClient() {
   const [toast, setToast] = useState<ToastProps | null>(null);
 
   const detectNetdiskLink = (url: string): {
-    provider: 'quark' | 'mobile' | 'baidu' | 'tianyi' | '123' | 'uc';
+    provider: 'quark' | 'mobile' | 'baidu' | 'tianyi' | '123' | 'uc' | '115';
     shareUrl: string;
     passcode?: string;
   } | null => {
@@ -146,6 +146,17 @@ function HomeClient() {
       return { provider: 'mobile', shareUrl: trimmed };
     }
 
+    if (/https:\/\/(?:115|anxia|115cdn)\.com\/s\//i.test(trimmed)) {
+      return {
+        provider: '115',
+        shareUrl: trimmed,
+        passcode: pickPasscode(
+          trimmed.match(/[?&](?:password|pwd|passcode)=([^&]+)/i)?.[1],
+          inlinePasscode(trimmed)
+        ),
+      };
+    }
+
     return null;
   };
 
@@ -168,6 +179,8 @@ function HomeClient() {
                 ? 'netdisk-baidu'
               : netdisk.provider === 'tianyi'
                 ? 'netdisk-tianyi'
+                : netdisk.provider === '115'
+                  ? 'netdisk-115'
                 : netdisk.provider === 'uc'
                   ? 'netdisk-uc'
                 : netdisk.provider === '123'
@@ -860,7 +873,7 @@ function HomeClient() {
                 请输入可直接播放的视频链接。
               </div>
               <div className='text-xs text-gray-500 dark:text-gray-400'>
-                支持夸克、UC、百度、天翼、移动、123 网盘在线播放。
+                支持夸克、UC、百度、天翼、移动、123、115 网盘在线播放。
               </div>
               <input
                 value={directPlayUrl}
diff --git a/src/app/play/page.tsx b/src/app/play/page.tsx
index fb5a637..66b9097 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/115/play') ||
       newUrl.startsWith('/api/netdisk/123/play') ||
       newUrl.startsWith('/api/netdisk/quark/play') ||
       newUrl.startsWith('/api/netdisk/uc/play') ||
diff --git a/src/components/PansouSearch.tsx b/src/components/PansouSearch.tsx
index 004b4fb..7a57ccb 100644
--- a/src/components/PansouSearch.tsx
+++ b/src/components/PansouSearch.tsx
@@ -309,10 +309,12 @@ export default function PansouSearch({
           ? '/api/netdisk/mobile/instant-play'
           : cloudType === 'baidu'
             ? '/api/netdisk/baidu/instant-play'
-            : cloudType === 'tianyi'
-              ? '/api/netdisk/tianyi/instant-play'
-              : cloudType === 'uc'
-                ? '/api/netdisk/uc/instant-play'
+              : cloudType === 'tianyi'
+                ? '/api/netdisk/tianyi/instant-play'
+                : cloudType === '115'
+                  ? '/api/netdisk/115/instant-play'
+                : cloudType === 'uc'
+                  ? '/api/netdisk/uc/instant-play'
               : cloudType === '123'
                 ? '/api/netdisk/123/instant-play'
               : '/api/netdisk/quark/instant-play';
@@ -334,7 +336,7 @@ export default function PansouSearch({
       }
 
       router.push(
-        `/play?source=${encodeURIComponent(data.source || (cloudType === 'mobile' ? 'netdisk-mobile' : cloudType === 'baidu' ? 'netdisk-baidu' : cloudType === 'tianyi' ? 'netdisk-tianyi' : cloudType === 'uc' ? 'netdisk-uc' : cloudType === '123' ? 'netdisk-123' : 'netdisk-quark'))}&id=${encodeURIComponent(data.id)}&title=${encodeURIComponent(keyword)}`
+        `/play?source=${encodeURIComponent(data.source || (cloudType === 'mobile' ? 'netdisk-mobile' : cloudType === 'baidu' ? 'netdisk-baidu' : cloudType === 'tianyi' ? 'netdisk-tianyi' : cloudType === '115' ? 'netdisk-115' : cloudType === 'uc' ? 'netdisk-uc' : cloudType === '123' ? 'netdisk-123' : 'netdisk-quark'))}&id=${encodeURIComponent(data.id)}&title=${encodeURIComponent(keyword)}`
       );
     } catch (err: any) {
       setToast({
@@ -618,7 +620,7 @@ export default function PansouSearch({
                             </span>
                           );
                         })()}
-                        {(cloudType === 'quark' || cloudType === 'mobile' || cloudType === 'baidu' || cloudType === 'tianyi' || cloudType === '123' || cloudType === 'uc') && (
+                        {(cloudType === 'quark' || cloudType === 'mobile' || cloudType === 'baidu' || cloudType === 'tianyi' || cloudType === '123' || cloudType === 'uc' || cloudType === '115') && (
                           <>
                             <button
                               onClick={() => handleNetdiskInstantPlay(cloudType, link)}
diff --git a/src/lib/admin.types.ts b/src/lib/admin.types.ts
index 7f9bc1a..a98877c 100644
--- a/src/lib/admin.types.ts
+++ b/src/lib/admin.types.ts
@@ -176,6 +176,10 @@ export interface AdminConfig {
       Token?: string;
       SavePath: string;
     };
+    Pan115?: {
+      Enabled: boolean;
+      Cookie: 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 b807938..97e38f5 100644
--- a/src/lib/config.ts
+++ b/src/lib/config.ts
@@ -694,6 +694,10 @@ export function configSelfCheck(adminConfig: AdminConfig): AdminConfig {
         Token: '',
         SavePath: '/',
       },
+      Pan115: {
+        Enabled: false,
+        Cookie: '',
+      },
     };
   }
 
@@ -744,6 +748,13 @@ export function configSelfCheck(adminConfig: AdminConfig): AdminConfig {
     };
   }
 
+  if (!adminConfig.NetDiskConfig.Pan115) {
+    adminConfig.NetDiskConfig.Pan115 = {
+      Enabled: false,
+      Cookie: '',
+    };
+  }
+
   // 确保音乐配置存在
   if (!adminConfig.MusicConfig) {
     adminConfig.MusicConfig = {
diff --git a/src/lib/netdisk/pan115-session-cache.ts b/src/lib/netdisk/pan115-session-cache.ts
new file mode 100644
index 0000000..f4ec92d
--- /dev/null
+++ b/src/lib/netdisk/pan115-session-cache.ts
@@ -0,0 +1,84 @@
+import { base58Decode, base58Encode } from '@/lib/utils';
+
+import type { Pan115ShareVideoFile } from './pan115.client';
+
+export interface Pan115NetdiskSession {
+  id: string;
+  provider: '115';
+  title: string;
+  shareUrl: string;
+  passcode?: string;
+  files: Pan115ShareVideoFile[];
+  createdAt: number;
+  expiresAt: number;
+}
+
+const TTL_MS = 30 * 60 * 1000;
+const sessionStore = new Map<string, Pan115NetdiskSession>();
+
+export function buildPan115NetdiskId(input: { shareUrl: string; passcode?: string }) {
+  return base58Encode(JSON.stringify({ shareUrl: input.shareUrl, passcode: input.passcode || '' }));
+}
+
+export function parsePan115NetdiskId(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 115 netdisk id');
+    return {
+      shareUrl: parsed.shareUrl,
+      passcode: typeof parsed.passcode === 'string' ? parsed.passcode : '',
+    };
+  } catch {
+    throw new Error('无效的115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 createPan115NetdiskSession(input: {
+  title: string;
+  shareUrl: string;
+  passcode?: string;
+  files: Pan115ShareVideoFile[];
+}): Pan115NetdiskSession {
+  pruneExpiredSessions();
+  const now = Date.now();
+  const id = buildPan115NetdiskId({ shareUrl: input.shareUrl, passcode: input.passcode });
+  const session: Pan115NetdiskSession = {
+    id,
+    provider: '115',
+    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 getPan115NetdiskSession(id: string): Pan115NetdiskSession | 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 refreshPan115NetdiskSession(id: string): Pan115NetdiskSession | null {
+  const session = getPan115NetdiskSession(id);
+  if (!session) return null;
+  session.expiresAt = Date.now() + TTL_MS;
+  sessionStore.set(id, session);
+  return session;
+}
diff --git a/src/lib/netdisk/pan115-session-resolver.ts b/src/lib/netdisk/pan115-session-resolver.ts
new file mode 100644
index 0000000..55fadf7
--- /dev/null
+++ b/src/lib/netdisk/pan115-session-resolver.ts
@@ -0,0 +1,35 @@
+import { getConfig } from '@/lib/config';
+
+import { listPan115ShareVideos } from './pan115.client';
+import {
+  createPan115NetdiskSession,
+  getPan115NetdiskSession,
+  parsePan115NetdiskId,
+  refreshPan115NetdiskSession,
+} from './pan115-session-cache';
+
+export async function resolvePan115Session(id: string) {
+  const config = await getConfig();
+  const pan115Config = config.NetDiskConfig?.Pan115;
+  if (!pan115Config?.Enabled || !pan115Config.Cookie) {
+    throw new Error('115网盘未配置或未启用');
+  }
+
+  let session = refreshPan115NetdiskSession(id) || getPan115NetdiskSession(id);
+  if (!session) {
+    const payload = parsePan115NetdiskId(id);
+    const result = await listPan115ShareVideos(payload.shareUrl, payload.passcode || '');
+    session = createPan115NetdiskSession({
+      title: result.title,
+      shareUrl: payload.shareUrl,
+      passcode: payload.passcode,
+      files: result.files,
+    });
+  }
+
+  if (!session) {
+    throw new Error('115网盘播放信息恢复失败');
+  }
+
+  return { session, cookie: pan115Config.Cookie };
+}
diff --git a/src/lib/netdisk/pan115.client.ts b/src/lib/netdisk/pan115.client.ts
new file mode 100644
index 0000000..a04e689
--- /dev/null
+++ b/src/lib/netdisk/pan115.client.ts
@@ -0,0 +1,299 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+const SHARE_URL = 'https://webapi.115.com/share/snap';
+const PLAY_URL = 'http://pro.api.115.com/app/share/downurl';
+
+export interface Pan115ShareVideoFile {
+  name: string;
+  fileId: string;
+  shareCode: string;
+  receiveCode: string;
+  size: number;
+}
+
+export interface Pan115ShareListResult {
+  title: string;
+  files: Pan115ShareVideoFile[];
+}
+
+const VIDEO_EXTENSIONS = [
+  '.mp4', '.webm', '.avi', '.wmv', '.flv', '.mov', '.mkv', '.mpeg', '.3gp', '.ts', '.m2ts', '.mp3', '.wav', '.aac', '.iso',
+];
+
+const G_KTS = new Uint8Array([
+  0xf0, 0xe5, 0x69, 0xae, 0xbf, 0xdc, 0xbf, 0x8a, 0x1a, 0x45, 0xe8, 0xbe, 0x7d, 0xa6, 0x73, 0xb8,
+  0xde, 0x8f, 0xe7, 0xc4, 0x45, 0xda, 0x86, 0xc4, 0x9b, 0x64, 0x8b, 0x14, 0x6a, 0xb4, 0xf1, 0xaa,
+  0x38, 0x01, 0x35, 0x9e, 0x26, 0x69, 0x2c, 0x86, 0x00, 0x6b, 0x4f, 0xa5, 0x36, 0x34, 0x62, 0xa6,
+  0x2a, 0x96, 0x68, 0x18, 0xf2, 0x4a, 0xfd, 0xbd, 0x6b, 0x97, 0x8f, 0x4d, 0x8f, 0x89, 0x13, 0xb7,
+  0x6c, 0x8e, 0x93, 0xed, 0x0e, 0x0d, 0x48, 0x3e, 0xd7, 0x2f, 0x88, 0xd8, 0xfe, 0xfe, 0x7e, 0x86,
+  0x50, 0x95, 0x4f, 0xd1, 0xeb, 0x83, 0x26, 0x34, 0xdb, 0x66, 0x7b, 0x9c, 0x7e, 0x9d, 0x7a, 0x81,
+  0x32, 0xea, 0xb6, 0x33, 0xde, 0x3a, 0xa9, 0x59, 0x34, 0x66, 0x3b, 0xaa, 0xba, 0x81, 0x60, 0x48,
+  0xb9, 0xd5, 0x81, 0x9c, 0xf8, 0x6c, 0x84, 0x77, 0xff, 0x54, 0x78, 0x26, 0x5f, 0xbe, 0xe8, 0x1e,
+  0x36, 0x9f, 0x34, 0x80, 0x5c, 0x45, 0x2c, 0x9b, 0x76, 0xd5, 0x1b, 0x8f, 0xcc, 0xc3, 0xb8, 0xf5,
+]);
+
+const RSA_E = BigInt(`0x8686980c0f5a24c4b9d43020cd2c22703ff3f450756529058b1cf88f09b8602136477198a6e2683149659bd122c33592fdb5ad47944ad1ea4d36c6b172aad6338c3bb6ac6227502d010993ac967d1aef00f0c8e038de2e4d3bc2ec368af2e9f10a6f1eda4f7262f136420c07c331b871bf139f74f3010e3c4fe57df3afb71683`);
+const RSA_N = BigInt(0x10001);
+
+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(`${label} 含有非法字符，请检查是否包含中文标点或说明文字`);
+    }
+  }
+  return normalized;
+}
+
+export function normalizePan115Cookie(cookie: string) {
+  return assertSafe(cookie.replace(/；/g, ';').replace(/：/g, ':').replace(/，/g, ','), '115 Cookie');
+}
+
+export function assertPan115CookieHeaderSafe(cookie: string) {
+  return normalizePan115Cookie(cookie);
+}
+
+function isMediaFile(filename: string) {
+  const lower = filename.toLowerCase();
+  return VIDEO_EXTENSIONS.some((ext) => lower.endsWith(ext));
+}
+
+export function parsePan115ShareUrl(shareUrl: string, passcode = '') {
+  const cleaned = decodeURIComponent(shareUrl.trim()).replace(/[#.,，/\s]+$/, '');
+  const matches = /https:\/\/(?:115|anxia|115cdn)\.com\/s\/([a-zA-Z0-9]+)(?:\?password=([^&#\s]+))?/i.exec(cleaned);
+  if (!matches) throw new Error('无法解析115分享链接');
+  return {
+    shareCode: matches[1],
+    receiveCode: passcode || matches[2] || '',
+  };
+}
+
+async function parseJson(response: Response) {
+  const text = await response.text();
+  try {
+    return typeof text === 'string' ? JSON.parse(text) : text;
+  } catch {
+    throw new Error(`115接口返回异常：${text.slice(0, 200)}`);
+  }
+}
+
+async function fetchShareDir(shareCode: string, receiveCode: string, cid: string) {
+  const url = new URL(SHARE_URL);
+  url.searchParams.set('share_code', shareCode);
+  url.searchParams.set('receive_code', receiveCode);
+  url.searchParams.set('cid', cid);
+  url.searchParams.set('limit', '9999');
+  url.searchParams.set('offset', '0');
+  const response = await fetch(url, { cache: 'no-store' });
+  if (!response.ok) {
+    throw new Error(`115分享接口请求失败 (${response.status})`);
+  }
+  return parseJson(response);
+}
+
+async function collectFilesRecursive(shareCode: string, receiveCode: string, cid: string, files: Pan115ShareVideoFile[]) {
+  const responseData = await fetchShareDir(shareCode, receiveCode, cid);
+  if (!responseData?.data) return;
+  if (responseData.data.share_state === 7) {
+    throw new Error(responseData.data.shareinfo?.forbid_reason || '链接已过期');
+  }
+
+  const list = Array.isArray(responseData.data.list) ? responseData.data.list : [];
+  const mediaFiles = list.filter((item: any) => Number(item.fc) === 1 && isMediaFile(String(item.n || '')));
+  const folders = list.filter((item: any) => Number(item.fc) === 0);
+
+  mediaFiles.forEach((file: any) => {
+    files.push({
+      name: String(file.n || ''),
+      fileId: String(file.fid || ''),
+      shareCode,
+      receiveCode,
+      size: Number(file.s || 0),
+    });
+  });
+
+  for (const folder of folders) {
+    await collectFilesRecursive(shareCode, receiveCode, String(folder.cid || ''), files);
+  }
+}
+
+export async function listPan115ShareVideos(shareUrl: string, passcode = ''): Promise<Pan115ShareListResult> {
+  const { shareCode, receiveCode } = parsePan115ShareUrl(shareUrl, passcode);
+  const files: Pan115ShareVideoFile[] = [];
+  await collectFilesRecursive(shareCode, receiveCode, shareCode, files);
+  files.sort((a, b) => a.name.localeCompare(b.name, 'zh-Hans-CN', { numeric: true, sensitivity: 'base' }));
+  if (files.length === 0) {
+    throw new Error('115分享中没有可播放的视频文件');
+  }
+  return {
+    title: files.length === 1 ? files[0].name.replace(/\.[^.]+$/, '') : '115网盘立即播放',
+    files,
+  };
+}
+
+function bytesToBigInt(bytes: Uint8Array) {
+  let value = BigInt(0);
+  for (let i = 0; i < bytes.length; i += 1) {
+    value = (value << BigInt(8)) | BigInt(bytes[i]);
+  }
+  return value;
+}
+
+function bigIntToBytes(value: bigint, length?: number) {
+  const hex = value.toString(16);
+  const padded = hex.length % 2 === 0 ? hex : `0${hex}`;
+  const bytes = Buffer.from(padded, 'hex');
+  if (!length) return new Uint8Array(bytes);
+  if (bytes.length >= length) return new Uint8Array(bytes.slice(-length));
+  const buffer = new Uint8Array(length);
+  buffer.set(bytes, length - bytes.length);
+  return buffer;
+}
+
+function* accStep(start: number, stop: number, step = 1): Generator<[number, number, number]> {
+  for (let i = start + step; i < stop; i += step) {
+    yield [start, i, step];
+    start = i;
+  }
+  if (start !== stop) yield [start, stop, stop - start];
+}
+
+function bytesXor(v1: Uint8Array, v2: Uint8Array) {
+  const result = new Uint8Array(v1.length);
+  for (let i = 0; i < v1.length; i += 1) result[i] = v1[i] ^ v2[i];
+  return result;
+}
+
+function xor(src: Uint8Array, key: Uint8Array) {
+  const buffer = new Uint8Array(src.length);
+  const offset = src.length & 0b11;
+  if (offset) buffer.set(bytesXor(src.subarray(0, offset), key.subarray(0, offset)));
+  const iterator = accStep(offset, src.length, key.length);
+  let next = iterator.next();
+  while (!next.done) {
+    const [j, k] = next.value;
+    buffer.set(bytesXor(src.subarray(j, k), key), j);
+    next = iterator.next();
+  }
+  return buffer;
+}
+
+function genKey(randKey: Uint8Array, skLen: number) {
+  const xorKey = new Uint8Array(skLen);
+  let length = skLen * (skLen - 1);
+  let index = 0;
+  for (let i = 0; i < skLen; i += 1) {
+    const x = (randKey[i] + G_KTS[index]) & 0xff;
+    xorKey[i] = G_KTS[length] ^ x;
+    length -= skLen;
+    index += skLen;
+  }
+  return xorKey;
+}
+
+function padPkcs1V15(message: Uint8Array) {
+  const buffer = new Uint8Array(128);
+  buffer.fill(0x02, 1, 127 - message.length);
+  buffer.set(message, 128 - message.length);
+  return bytesToBigInt(buffer);
+}
+
+function modPow(base: bigint, exponent: bigint, modulus: bigint) {
+  let result = BigInt(1);
+  let b = base % modulus;
+  let e = exponent;
+  while (e > BigInt(0)) {
+    if (e & BigInt(1)) result = (result * b) % modulus;
+    e >>= BigInt(1);
+    b = (b * b) % modulus;
+  }
+  return result;
+}
+
+function reverseBytes(bytes: Uint8Array) {
+  return Uint8Array.from(Array.from(bytes).reverse());
+}
+
+function encrypt115(input: string) {
+  const data = new Uint8Array(Buffer.from(input, 'utf8'));
+  const xorText = new Uint8Array(16 + data.length);
+  xorText.set(
+    xor(
+      reverseBytes(xor(data, new Uint8Array([0x8d, 0xa5, 0xa5, 0x8d]))),
+      new Uint8Array([0x78, 0x06, 0xad, 0x4c, 0x33, 0x86, 0x5d, 0x18, 0x4c, 0x01, 0x3f, 0x46])
+    ),
+    16
+  );
+  const cipherData = new Uint8Array(Math.ceil(xorText.length / 117) * 128);
+  let start = 0;
+  const iterator = accStep(0, xorText.length, 117);
+  let next = iterator.next();
+  while (!next.done) {
+    const [l, r] = next.value;
+    cipherData.set(bigIntToBytes(modPow(padPkcs1V15(xorText.subarray(l, r)), RSA_N, RSA_E), 128), start);
+    start += 128;
+    next = iterator.next();
+  }
+  return Buffer.from(cipherData).toString('base64');
+}
+
+function decrypt115(cipherData: string) {
+  const cipherBytes = new Uint8Array(Buffer.from(cipherData, 'base64'));
+  const data: number[] = [];
+  const iterator = accStep(0, cipherBytes.length, 128);
+  let next = iterator.next();
+  while (!next.done) {
+    const [l, r] = next.value;
+    const p = modPow(bytesToBigInt(cipherBytes.subarray(l, r)), RSA_N, RSA_E);
+    const b = bigIntToBytes(p);
+    const idx = b.indexOf(0);
+    data.push(...Array.from(b.subarray(idx + 1)));
+    next = iterator.next();
+  }
+  const keyL = genKey(new Uint8Array(data.slice(0, 16)), 12);
+  const tmp = reverseBytes(xor(new Uint8Array(data.slice(16)), keyL));
+  const bytes = xor(tmp, new Uint8Array([0x8d, 0xa5, 0xa5, 0x8d]));
+  return Buffer.from(bytes).toString('utf8');
+}
+
+export async function getPan115PlayUrl(file: Pan115ShareVideoFile, cookie: string) {
+  const safeCookie = assertPan115CookieHeaderSafe(cookie);
+  const payload = `data=${encodeURIComponent(encrypt115(JSON.stringify({
+    share_code: file.shareCode,
+    receive_code: file.receiveCode,
+    file_id: file.fileId,
+  })))}`;
+
+  const response = await fetch(PLAY_URL, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/x-www-form-urlencoded',
+      Cookie: safeCookie,
+    },
+    body: payload,
+    cache: 'no-store',
+  });
+
+  const responseData = await parseJson(response);
+  if (!responseData) {
+    throw new Error('115盘无响应数据');
+  }
+  if (responseData.state === false) {
+    const errorMsg = responseData.msg || responseData.error || '未知错误';
+    if (String(errorMsg).includes('登录')) {
+      throw new Error('115 Cookie 无效，请重新填写');
+    }
+    throw new Error(`115盘错误: ${errorMsg}`);
+  }
+  if (!responseData.data || typeof responseData.data !== 'string') {
+    throw new Error('115 Cookie 无效，请重新填写');
+  }
+  const parsed = JSON.parse(decrypt115(responseData.data));
+  const playUrl = parsed?.url?.url;
+  if (!playUrl) throw new Error('未获取到115播放地址');
+  return playUrl as string;
+}
+
+export async function validatePan115Cookie(cookie: string): Promise<void> {
+  assertPan115CookieHeaderSafe(cookie);
+}
diff --git a/src/lib/netdisk/source.ts b/src/lib/netdisk/source.ts
index 66fae14..a57e1b2 100644
--- a/src/lib/netdisk/source.ts
+++ b/src/lib/netdisk/source.ts
@@ -5,8 +5,9 @@ export const NETDISK_BAIDU_SOURCE = 'netdisk-baidu';
 export const NETDISK_TIANYI_SOURCE = 'netdisk-tianyi';
 export const NETDISK_123_SOURCE = 'netdisk-123';
 export const NETDISK_UC_SOURCE = 'netdisk-uc';
+export const NETDISK_115_SOURCE = 'netdisk-115';
 
-export type NetdiskProvider = 'quark' | 'mobile' | 'baidu' | 'tianyi' | '123' | 'uc';
+export type NetdiskProvider = 'quark' | 'mobile' | 'baidu' | 'tianyi' | '123' | 'uc' | '115';
 
 export function normalizeNetdiskSource(source?: string | null): string {
   if (!source) return '';
@@ -16,7 +17,7 @@ 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 || normalized === NETDISK_123_SOURCE || normalized === NETDISK_UC_SOURCE;
+  return normalized === NETDISK_QUARK_SOURCE || normalized === NETDISK_MOBILE_SOURCE || normalized === NETDISK_BAIDU_SOURCE || normalized === NETDISK_TIANYI_SOURCE || normalized === NETDISK_123_SOURCE || normalized === NETDISK_UC_SOURCE || normalized === NETDISK_115_SOURCE;
 }
 
 export function getNetdiskProvider(source?: string | null): NetdiskProvider | null {
@@ -27,6 +28,7 @@ export function getNetdiskProvider(source?: string | null): NetdiskProvider | nu
   if (normalized === NETDISK_TIANYI_SOURCE) return 'tianyi';
   if (normalized === NETDISK_123_SOURCE) return '123';
   if (normalized === NETDISK_UC_SOURCE) return 'uc';
+  if (normalized === NETDISK_115_SOURCE) return '115';
   return null;
 }
 
@@ -53,3 +55,7 @@ export function isNetdisk123Source(source?: string | null): boolean {
 export function isNetdiskUCSource(source?: string | null): boolean {
   return normalizeNetdiskSource(source) === NETDISK_UC_SOURCE;
 }
+
+export function isNetdisk115Source(source?: string | null): boolean {
+  return normalizeNetdiskSource(source) === NETDISK_115_SOURCE;
+}