diff --git a/app/api/detail/route.ts b/app/api/detail/route.ts
index d18d49b..a9ba576 100644
--- a/app/api/detail/route.ts
+++ b/app/api/detail/route.ts
@@ -4,16 +4,14 @@
  */
 
 import { NextRequest, NextResponse } from 'next/server';
-import { getVideoDetail, getVideoDetailCustom } from '@/lib/api/client';
+import { getVideoDetail } from '@/lib/api/client';
 import { getSourceById } from '@/lib/api/video-sources';
-import type { DetailRequest } from '@/lib/types';
 
 export async function GET(request: NextRequest) {
   try {
     const searchParams = request.nextUrl.searchParams;
     const id = searchParams.get('id');
     const source = searchParams.get('source');
-    const customApi = searchParams.get('customApi');
 
     // Validate input
     if (!id) {
@@ -23,26 +21,6 @@ export async function GET(request: NextRequest) {
       );
     }
 
-    // Handle custom API case
-    if (customApi) {
-      try {
-        const videoDetail = await getVideoDetailCustom(id, customApi);
-        
-        return NextResponse.json({
-          success: true,
-          data: videoDetail,
-        });
-      } catch (error) {
-        return NextResponse.json(
-          {
-            success: false,
-            error: error instanceof Error ? error.message : 'Failed to fetch video detail',
-          },
-          { status: 500 }
-        );
-      }
-    }
-
     // Validate source
     if (!source) {
       return NextResponse.json(
@@ -99,8 +77,8 @@ export async function GET(request: NextRequest) {
 // Support POST method for complex requests
 export async function POST(request: NextRequest) {
   try {
-    const body: DetailRequest = await request.json();
-    const { id, source, customApi } = body;
+    const body = await request.json();
+    const { id, source } = body;
 
     // Validate input
     if (!id) {
@@ -110,26 +88,6 @@ export async function POST(request: NextRequest) {
       );
     }
 
-    // Handle custom API case
-    if (customApi) {
-      try {
-        const videoDetail = await getVideoDetailCustom(id, customApi);
-        
-        return NextResponse.json({
-          success: true,
-          data: videoDetail,
-        });
-      } catch (error) {
-        return NextResponse.json(
-          {
-            success: false,
-            error: error instanceof Error ? error.message : 'Failed to fetch video detail',
-          },
-          { status: 500 }
-        );
-      }
-    }
-
     // Validate source
     if (!source) {
       return NextResponse.json(
diff --git a/lib/api/client.ts b/lib/api/client.ts
index b42fcff..8641269 100644
--- a/lib/api/client.ts
+++ b/lib/api/client.ts
@@ -250,20 +250,4 @@ export async function getVideoDetail(
   }
 }
 
-/**
- * Get video detail with custom API URL
- */
-export async function getVideoDetailCustom(
-  id: string | number,
-  customApiUrl: string
-): Promise<VideoDetail> {
-  const customSource: VideoSource = {
-    id: 'custom',
-    name: 'Custom API',
-    baseUrl: customApiUrl,
-    searchPath: '',
-    detailPath: '',
-  };
 
-  return getVideoDetail(id, customSource);
-}
diff --git a/lib/hooks/useMediaQuery.ts b/lib/hooks/useMediaQuery.ts
deleted file mode 100644
index 665c47c..0000000
--- a/lib/hooks/useMediaQuery.ts
+++ /dev/null
@@ -1,84 +0,0 @@
-/**
- * useMediaQuery Hook
- * 媒体查询 Hook - 监听浏览器媒体查询状态变化
- * 
- * Note: Ready-to-use utility hook for responsive features.
- * Currently not in active use but available for future enhancements.
- * 
- * 遵循 Liquid Glass 设计系统原则：
- * - 响应式设计优先
- * - 性能优化（使用 matchMedia API）
- * - SSR 兼容
- */
-
-'use client';
-
-import { useState, useEffect } from 'react';
-
-/**
- * 使用媒体查询 Hook
- * @param query - CSS 媒体查询字符串（例如：'(min-width: 768px)'）
- * @returns boolean - 媒体查询是否匹配
- * 
- * @example
- * ```tsx
- * // 检测是否为移动设备
- * const isMobile = useMediaQuery('(max-width: 768px)');
- * 
- * // 检测是否为暗色模式
- * const isDarkMode = useMediaQuery('(prefers-color-scheme: dark)');
- * 
- * // 检测是否为触摸设备
- * const isTouchDevice = useMediaQuery('(hover: none) and (pointer: coarse)');
- * ```
- */
-export function useMediaQuery(query: string): boolean {
-  // 初始状态处理（SSR 兼容）
-  const getMatches = (query: string): boolean => {
-    // 防止 SSR 错误
-    if (typeof window === 'undefined') {
-      return false;
-    }
-    return window.matchMedia(query).matches;
-  };
-
-  const [matches, setMatches] = useState<boolean>(getMatches(query));
-
-  useEffect(() => {
-    // 防止 SSR 错误
-    if (typeof window === 'undefined') {
-      return;
-    }
-
-    const mediaQuery = window.matchMedia(query);
-    
-    // 更新状态的处理函数
-    const handleChange = (event: MediaQueryListEvent) => {
-      setMatches(event.matches);
-    };
-
-    // 初始化时检查一次
-    setMatches(mediaQuery.matches);
-
-    // 添加监听器（现代浏览器使用 addEventListener）
-    if (mediaQuery.addEventListener) {
-      mediaQuery.addEventListener('change', handleChange);
-    } else {
-      // 兼容旧版浏览器（已废弃的 API）
-      // @ts-ignore
-      mediaQuery.addListener(handleChange);
-    }
-
-    // 清理函数
-    return () => {
-      if (mediaQuery.removeEventListener) {
-        mediaQuery.removeEventListener('change', handleChange);
-      } else {
-        // @ts-ignore
-        mediaQuery.removeListener(handleChange);
-      }
-    };
-  }, [query]);
-
-  return matches;
-}
diff --git a/lib/types/index.ts b/lib/types/index.ts
index 3e875de..7d8d05f 100644
--- a/lib/types/index.ts
+++ b/lib/types/index.ts
@@ -97,11 +97,3 @@ export interface ApiDetailResponse {
     vod_play_url?: string;
   }>;
 }
-
-// Detail Request Types
-export interface DetailRequest {
-  id: string | number;
-  source: string;
-  customApi?: string;
-}
-