diff --git a/src/lib/tmdb.client.ts b/src/lib/tmdb.client.ts
index d000c4d..53d1448 100644
--- a/src/lib/tmdb.client.ts
+++ b/src/lib/tmdb.client.ts
@@ -9,6 +9,43 @@ const DEFAULT_TMDB_BASE_URL = 'https://api.themoviedb.org';
 // TMDB API Key 轮询管理
 let currentKeyIndex = 0;
 
+/**
+ * 检测是否在 Cloudflare 环境中运行
+ */
+function isCloudflareEnvironment(): boolean {
+  return process.env.CF_PAGES === '1' || process.env.BUILD_TARGET === 'cloudflare';
+}
+
+/**
+ * 统一的 fetch 函数，根据环境选择使用 node-fetch 或原生 fetch
+ */
+async function universalFetch(url: string, proxy?: string): Promise<Response> {
+  const isCloudflare = isCloudflareEnvironment();
+
+  if (isCloudflare) {
+    // Cloudflare 环境：使用原生 fetch，忽略 proxy 参数
+    const response = await fetch(url, {
+      signal: AbortSignal.timeout(15000),
+    });
+    return response as unknown as Response;
+  } else {
+    // Node.js 环境：使用 node-fetch，支持 proxy
+    const fetchOptions: any = proxy
+      ? {
+          agent: new HttpsProxyAgent(proxy, {
+            timeout: 30000,
+            keepAlive: false,
+          }),
+          signal: AbortSignal.timeout(30000),
+        }
+      : {
+          signal: AbortSignal.timeout(15000),
+        };
+
+    return nodeFetch(url, fetchOptions) as unknown as Response;
+  }
+}
+
 /**
  * 解析并获取下一个可用的 TMDB API Key
  * @param apiKeys - API Key 字符串（支持逗号分隔的多个key）
@@ -98,20 +135,9 @@ export async function getTMDBUpcomingMovies(
 
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/movie/upcoming?api_key=${actualKey}&language=zh-CN&page=${page}&region=${region}`;
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
 
-    // 使用 node-fetch 而不是原生 fetch
-    const response = await nodeFetch(url, fetchOptions);
+    // 使用统一的 fetch 函数
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB API 请求失败:', response.status, response.statusText);
@@ -153,20 +179,9 @@ export async function getTMDBUpcomingTVShows(
     // 使用 on_the_air 接口获取正在播出的电视剧
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/tv/on_the_air?api_key=${actualKey}&language=zh-CN&page=${page}`;
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
 
-    // 使用 node-fetch 而不是原生 fetch
-    const response = await nodeFetch(url, fetchOptions);
+    // 使用统一的 fetch 函数
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB TV API 请求失败:', response.status, response.statusText);
@@ -291,19 +306,8 @@ export async function getTMDBVideos(
 
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/${mediaType}/${mediaId}/videos?api_key=${actualKey}`;
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
 
-    const response = await nodeFetch(url, fetchOptions);
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       return null;
@@ -345,19 +349,8 @@ export async function getTMDBTrendingContent(
     // 获取本周热门内容（电影+电视剧）
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/trending/all/week?api_key=${actualKey}&language=zh-CN`;
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
 
-    const response = await nodeFetch(url, fetchOptions);
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB Trending API 请求失败:', response.status, response.statusText);
@@ -479,19 +472,8 @@ export async function searchTMDBMulti(
 
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/search/multi?api_key=${actualKey}&language=zh-CN&query=${encodeURIComponent(query)}&page=1`;
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
 
-    const response = await nodeFetch(url, fetchOptions);
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB Search API 请求失败:', response.status, response.statusText);
@@ -532,19 +514,8 @@ export async function getTMDBMovieRecommendations(
 
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/movie/${movieId}/recommendations?api_key=${actualKey}&language=zh-CN&page=1`;
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
 
-    const response = await nodeFetch(url, fetchOptions);
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB Movie Recommendations API 请求失败:', response.status, response.statusText);
@@ -585,19 +556,8 @@ export async function getTMDBTVRecommendations(
 
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/tv/${tvId}/recommendations?api_key=${actualKey}&language=zh-CN&page=1`;
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
 
-    const response = await nodeFetch(url, fetchOptions);
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB TV Recommendations API 请求失败:', response.status, response.statusText);
@@ -638,19 +598,8 @@ export async function getTMDBMovieDetails(
 
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/movie/${movieId}?api_key=${actualKey}&language=zh-CN`;
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
 
-    const response = await nodeFetch(url, fetchOptions);
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB API 请求失败:', response.status, response.statusText);
@@ -691,19 +640,8 @@ export async function getTMDBTVDetails(
 
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/tv/${tvId}?api_key=${actualKey}&language=zh-CN`;
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
 
-    const response = await nodeFetch(url, fetchOptions);
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB API 请求失败:', response.status, response.statusText);
diff --git a/src/lib/tmdb.search.ts b/src/lib/tmdb.search.ts
index 63e0b6f..466aa51 100644
--- a/src/lib/tmdb.search.ts
+++ b/src/lib/tmdb.search.ts
@@ -8,6 +8,43 @@ import { getNextApiKey } from './tmdb.client';
 // TMDB API 默认 Base URL（不包含 /3/，由程序拼接）
 const DEFAULT_TMDB_BASE_URL = 'https://api.themoviedb.org';
 
+/**
+ * 检测是否在 Cloudflare 环境中运行
+ */
+function isCloudflareEnvironment(): boolean {
+  return process.env.CF_PAGES === '1' || process.env.BUILD_TARGET === 'cloudflare';
+}
+
+/**
+ * 统一的 fetch 函数，根据环境选择使用 node-fetch 或原生 fetch
+ */
+async function universalFetch(url: string, proxy?: string): Promise<Response> {
+  const isCloudflare = isCloudflareEnvironment();
+
+  if (isCloudflare) {
+    // Cloudflare 环境：使用原生 fetch，忽略 proxy 参数
+    const response = await fetch(url, {
+      signal: AbortSignal.timeout(15000),
+    });
+    return response as unknown as Response;
+  } else {
+    // Node.js 环境：使用 node-fetch，支持 proxy
+    const fetchOptions: any = proxy
+      ? {
+          agent: new HttpsProxyAgent(proxy, {
+            timeout: 30000,
+            keepAlive: false,
+          }),
+          signal: AbortSignal.timeout(30000),
+        }
+      : {
+          signal: AbortSignal.timeout(15000),
+        };
+
+    return nodeFetch(url, fetchOptions) as unknown as Response;
+  }
+}
+
 export interface TMDBSearchResult {
   id: number;
   title?: string; // 电影
@@ -52,20 +89,8 @@ export async function searchTMDB(
       url += `&year=${year}`;
     }
 
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
-
-    // 使用 node-fetch 而不是原生 fetch，因为原生 fetch 不支持 agent 选项
-    const response = await nodeFetch(url, fetchOptions);
+    // 使用统一的 fetch 函数
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB 搜索失败:', response.status, response.statusText);
@@ -138,19 +163,7 @@ export async function getTVSeasons(
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/tv/${tvId}?api_key=${actualKey}&language=zh-CN`;
 
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
-
-    const response = await nodeFetch(url, fetchOptions);
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB 获取电视剧详情失败:', response.status, response.statusText);
@@ -191,19 +204,7 @@ export async function getTVSeasonDetails(
     const baseUrl = reverseProxyBaseUrl || DEFAULT_TMDB_BASE_URL;
     const url = `${baseUrl}/3/tv/${tvId}/season/${seasonNumber}?api_key=${actualKey}&language=zh-CN`;
 
-    const fetchOptions: any = proxy
-      ? {
-          agent: new HttpsProxyAgent(proxy, {
-            timeout: 30000,
-            keepAlive: false,
-          }),
-          signal: AbortSignal.timeout(30000),
-        }
-      : {
-          signal: AbortSignal.timeout(15000),
-        };
-
-    const response = await nodeFetch(url, fetchOptions);
+    const response = await universalFetch(url, proxy);
 
     if (!response.ok) {
       console.error('TMDB 获取季度详情失败:', response.status, response.statusText);