diff --git a/src/app/api/tmdb/trending/route.ts b/src/app/api/tmdb/trending/route.ts
index a9ec969..997a635 100644
--- a/src/app/api/tmdb/trending/route.ts
+++ b/src/app/api/tmdb/trending/route.ts
@@ -1,7 +1,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
 import { NextResponse } from 'next/server';
-import { getTMDBTrendingContent } from '@/lib/tmdb.client';
+import { getTMDBTrendingContent, getTMDBVideos } from '@/lib/tmdb.client';
 import { getConfig } from '@/lib/config';
 
 // 缓存配置 - 服务器内存缓存3小时
@@ -54,6 +54,18 @@ export async function GET() {
 
       // 获取热门内容
       result = await getTMDBTrendingContent(apiKey, proxy);
+
+      // 为每个项目获取视频数据
+      if (result.code === 200 && result.list) {
+        const itemsWithVideos = await Promise.all(
+          result.list.map(async (item: any) => {
+            const videoKey = await getTMDBVideos(apiKey, item.media_type, item.id, proxy);
+            return { ...item, video_key: videoKey };
+          })
+        );
+        result.list = itemsWithVideos;
+      }
+
       // 添加数据源标识
       result.source = 'TMDB';
       // 更新TMDB缓存
diff --git a/src/components/BannerCarousel.tsx b/src/components/BannerCarousel.tsx
index 652ccbb..349bd62 100644
--- a/src/components/BannerCarousel.tsx
+++ b/src/components/BannerCarousel.tsx
@@ -23,6 +23,8 @@ export default function BannerCarousel({ autoPlayInterval = 5000 }: BannerCarous
   const [isLoading, setIsLoading] = useState(true);
   const [isPaused, setIsPaused] = useState(false);
   const [skipNextAutoPlay, setSkipNextAutoPlay] = useState(false); // 跳过下一次自动播放
+  const [isYouTubeAccessible, setIsYouTubeAccessible] = useState(false); // YouTube连通性（默认false，检查后再决定）
+  const [enableTrailers, setEnableTrailers] = useState(false); // 是否启用预告片（默认关闭）
   const touchStartX = useRef(0);
   const touchEndX = useRef(0);
   const isManualChange = useRef(false); // 标记是否为手动切换
@@ -51,6 +53,39 @@ export default function BannerCarousel({ autoPlayInterval = 5000 }: BannerCarous
     return getTMDBImageUrl(path, 'original');
   };
 
+  // 读取本地设置
+  useEffect(() => {
+    const setting = localStorage.getItem('enableTrailers');
+    if (setting !== null) {
+      setEnableTrailers(setting === 'true');
+    }
+  }, []);
+
+  // 检测YouTube连通性
+  useEffect(() => {
+    const checkYouTubeAccess = () => {
+      const img = document.createElement('img');
+      const timeout = setTimeout(() => {
+        img.src = '';
+        setIsYouTubeAccessible(false);
+      }, 3000);
+
+      img.onload = () => {
+        clearTimeout(timeout);
+        setIsYouTubeAccessible(true);
+      };
+
+      img.onerror = () => {
+        clearTimeout(timeout);
+        setIsYouTubeAccessible(false);
+      };
+
+      img.src = 'https://i.ytimg.com/vi/dQw4w9WgXcQ/default.jpg';
+    };
+
+    checkYouTubeAccess();
+  }, []);
+
   // 获取热门内容
   useEffect(() => {
     const fetchTrending = async () => {
@@ -234,7 +269,7 @@ export default function BannerCarousel({ autoPlayInterval = 5000 }: BannerCarous
         }
       }}
     >
-      {/* 背景图片 */}
+      {/* 背景图片或视频 */}
       <div className="absolute inset-0">
         {items.map((item, index) => (
           <div
@@ -243,14 +278,34 @@ export default function BannerCarousel({ autoPlayInterval = 5000 }: BannerCarous
               index === currentIndex ? 'opacity-100' : 'opacity-0'
             }`}
           >
-            <Image
-              src={getImageUrl(item.backdrop_path || item.poster_path)}
-              alt={item.title}
-              fill
-              className="object-cover"
-              priority={index === 0}
-              sizes="100vw"
-            />
+            {item.video_key && isYouTubeAccessible && enableTrailers ? (
+              /* 显示YouTube视频 */
+              <div className="absolute inset-0 overflow-hidden">
+                <iframe
+                  src={`https://www.youtube.com/embed/${item.video_key}?listType=playlist&autoplay=1&mute=1&controls=0&loop=1&playlist=${item.video_key}&modestbranding=1&rel=0&showinfo=0&vq=hd1080&hd=1&disablekb=1&fs=0&iv_load_policy=3`}
+                  className="absolute top-1/2 left-1/2 pointer-events-none"
+                  allow="autoplay; encrypted-media"
+                  style={{
+                    border: 'none',
+                    width: '100vw',
+                    height: '100vh',
+                    minWidth: '100%',
+                    minHeight: '100%',
+                    transform: 'translate(-50%, -50%)',
+                  }}
+                />
+              </div>
+            ) : (
+              /* 显示图片 */
+              <Image
+                src={getImageUrl(item.backdrop_path || item.poster_path)}
+                alt={item.title}
+                fill
+                className="object-cover"
+                priority={index === 0}
+                sizes="100vw"
+              />
+            )}
             {/* 渐变遮罩 */}
             <div className="absolute inset-0 bg-gradient-to-r from-black/80 via-black/50 to-transparent"></div>
             <div className="absolute inset-0 bg-gradient-to-t from-black/80 via-transparent to-transparent"></div>
diff --git a/src/components/UserMenu.tsx b/src/components/UserMenu.tsx
index 3b861b1..0562d5a 100644
--- a/src/components/UserMenu.tsx
+++ b/src/components/UserMenu.tsx
@@ -91,6 +91,7 @@ export const UserMenu: React.FC = () => {
   const [liveDirectConnect, setLiveDirectConnect] = useState(false);
   const [danmakuHeatmapDisabled, setDanmakuHeatmapDisabled] = useState(false);
   const [tmdbBackdropDisabled, setTmdbBackdropDisabled] = useState(false);
+  const [enableTrailers, setEnableTrailers] = useState(false);
   const [doubanDataSource, setDoubanDataSource] = useState('cmliussss-cdn-tencent');
   const [doubanImageProxyType, setDoubanImageProxyType] = useState('cmliussss-cdn-tencent');
   const [doubanImageProxyUrl, setDoubanImageProxyUrl] = useState('');
@@ -327,6 +328,11 @@ export const UserMenu: React.FC = () => {
         setTmdbBackdropDisabled(savedTmdbBackdropDisabled === 'true');
       }
 
+      const savedEnableTrailers = localStorage.getItem('enableTrailers');
+      if (savedEnableTrailers !== null) {
+        setEnableTrailers(savedEnableTrailers === 'true');
+      }
+
       const savedBufferStrategy = localStorage.getItem('bufferStrategy');
       if (savedBufferStrategy !== null) {
         setBufferStrategy(savedBufferStrategy);
@@ -564,6 +570,13 @@ export const UserMenu: React.FC = () => {
     }
   };
 
+  const handleEnableTrailersToggle = (value: boolean) => {
+    setEnableTrailers(value);
+    if (typeof window !== 'undefined') {
+      localStorage.setItem('enableTrailers', String(value));
+    }
+  };
+
   const handleDoubanDataSourceChange = (value: string) => {
     setDoubanDataSource(value);
     if (typeof window !== 'undefined') {
@@ -635,6 +648,8 @@ export const UserMenu: React.FC = () => {
     setFluidSearch(defaultFluidSearch);
     setLiveDirectConnect(false);
     setDanmakuHeatmapDisabled(false);
+    setTmdbBackdropDisabled(false);
+    setEnableTrailers(false);
     setDoubanProxyUrl(defaultDoubanProxy);
     setDoubanDataSource(defaultDoubanProxyType);
     setDoubanImageProxyType(defaultDoubanImageProxyType);
@@ -648,6 +663,8 @@ export const UserMenu: React.FC = () => {
       localStorage.setItem('fluidSearch', JSON.stringify(defaultFluidSearch));
       localStorage.setItem('liveDirectConnect', JSON.stringify(false));
       localStorage.setItem('danmaku_heatmap_disabled', 'false');
+      localStorage.setItem('tmdb_backdrop_disabled', 'false');
+      localStorage.setItem('enableTrailers', 'false');
       localStorage.setItem('doubanProxyUrl', defaultDoubanProxy);
       localStorage.setItem('doubanDataSource', defaultDoubanProxyType);
       localStorage.setItem('doubanImageProxyType', defaultDoubanImageProxyType);
@@ -1297,6 +1314,30 @@ export const UserMenu: React.FC = () => {
               </label>
             </div>
 
+            {/* 启用预告片 */}
+            <div className='flex items-center justify-between'>
+              <div>
+                <h4 className='text-sm font-medium text-gray-700 dark:text-gray-300'>
+                  首页预告片
+                </h4>
+                <p className='text-xs text-gray-500 dark:text-gray-400 mt-1'>
+                  在首页轮播图中显示视频预告片（需刷新页面生效）
+                </p>
+              </div>
+              <label className='flex items-center cursor-pointer'>
+                <div className='relative'>
+                  <input
+                    type='checkbox'
+                    className='sr-only peer'
+                    checked={enableTrailers}
+                    onChange={(e) => handleEnableTrailersToggle(e.target.checked)}
+                  />
+                  <div className='w-11 h-6 bg-gray-300 rounded-full peer-checked:bg-green-500 transition-colors dark:bg-gray-600'></div>
+                  <div className='absolute top-0.5 left-0.5 w-5 h-5 bg-white rounded-full transition-transform peer-checked:translate-x-5'></div>
+                </div>
+              </label>
+            </div>
+
             {/* 分割线 */}
             <div className='border-t border-gray-200 dark:border-gray-700'></div>
 
diff --git a/src/lib/tmdb.client.ts b/src/lib/tmdb.client.ts
index 26174fe..404940a 100644
--- a/src/lib/tmdb.client.ts
+++ b/src/lib/tmdb.client.ts
@@ -54,6 +54,7 @@ export interface TMDBItem {
   vote_average: number;
   media_type: 'movie' | 'tv';
   genre_ids?: number[]; // 类型ID列表
+  video_key?: string; // YouTube视频key
 }
 
 interface TMDBUpcomingResponse {
@@ -255,6 +256,60 @@ export async function getTMDBUpcomingContent(
   }
 }
 
+/**
+ * 获取视频（预告片）
+ * @param apiKey - TMDB API Key
+ * @param mediaType - 媒体类型 (movie 或 tv)
+ * @param mediaId - 媒体ID
+ * @param proxy - 代理服务器地址
+ * @returns YouTube视频key（只返回预告片）
+ */
+export async function getTMDBVideos(
+  apiKey: string,
+  mediaType: 'movie' | 'tv',
+  mediaId: number,
+  proxy?: string
+): Promise<string | null> {
+  try {
+    const actualKey = getNextApiKey(apiKey);
+    if (!actualKey) {
+      return null;
+    }
+
+    const url = `https://api.themoviedb.org/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);
+
+    if (!response.ok) {
+      return null;
+    }
+
+    const data: any = await response.json();
+    const videos = data.results || [];
+
+    // 只查找YouTube预告片
+    const trailer = videos.find((v: any) =>
+      v.site === 'YouTube' && v.type === 'Trailer'
+    );
+
+    return trailer?.key || null;
+  } catch (error) {
+    console.error('获取 TMDB 视频失败:', error);
+    return null;
+  }
+}
+
 /**
  * 获取热门内容（电影+电视剧）
  * @param apiKey - TMDB API Key