diff --git a/src/app/play/page.tsx b/src/app/play/page.tsx
index 17b689e..4e5224f 100644
--- a/src/app/play/page.tsx
+++ b/src/app/play/page.tsx
@@ -1271,6 +1271,14 @@ function PlayPageClient() {
     Map<string, { quality: string; loadSpeed: string; pingTime: number; bitrate: string }>
   >(new Map());
 
+  // 当前源的视频信息（用于标题旁边显示）
+  const [currentSourceVideoInfo, setCurrentSourceVideoInfo] = useState<{
+    quality: string;
+    loadSpeed: string;
+    pingTime: number;
+    bitrate: string;
+  } | null>(null);
+
   // 折叠状态（仅在 lg 及以上屏幕有效）
   const [isEpisodeSelectorCollapsed, setIsEpisodeSelectorCollapsed] =
     useState(false);
@@ -1357,6 +1365,27 @@ function PlayPageClient() {
     return 'unknown';
   };
 
+  // 获取当前源的视频信息（分辨率和码率）
+  const fetchCurrentSourceVideoInfo = async () => {
+    if (!detail || !detail.episodes || detail.episodes.length === 0) {
+      return;
+    }
+
+    // 获取当前集数的播放地址
+    const episodeUrl = detail.episodes[currentEpisodeIndex];
+    if (!episodeUrl) {
+      return;
+    }
+
+    try {
+      const info = await getVideoResolutionFromM3u8(episodeUrl, 4000);
+      setCurrentSourceVideoInfo(info);
+    } catch (error) {
+      console.error('获取视频信息失败:', error);
+      setCurrentSourceVideoInfo(null);
+    }
+  };
+
   // 播放源优选函数
   const preferBestSource = async (
     sources: SearchResult[]
@@ -3480,6 +3509,13 @@ function PlayPageClient() {
     }
   }, [searchParams, currentSource, currentId, availableSources, currentEpisodeIndex]);
 
+  // 监听 detail 和 currentEpisodeIndex 变化，自动获取视频信息
+  useEffect(() => {
+    if (detail && detail.episodes && detail.episodes.length > 0) {
+      fetchCurrentSourceVideoInfo();
+    }
+  }, [detail, currentEpisodeIndex]);
+
   // 监听 detail 和 currentEpisodeIndex 变化，动态更新字幕
   useEffect(() => {
     if (!artPlayerRef.current || !detail) return;
@@ -8193,10 +8229,23 @@ function PlayPageClient() {
                       <span>{doubanYear || detail?.year || videoYear}</span>
                     )}
                     {detail?.source_name && (
-                      <span className={`border px-2 py-[1px] rounded ${
-                        detail.source === 'xiaoya' ? 'border-blue-500' : detail.source === 'openlist' || detail.source === 'emby' || detail.source?.startsWith('emby_') ? 'border-yellow-500' : 'border-gray-500/60'
-                      }`}>
+                      <span
+                        className={`relative group cursor-pointer border px-2 py-[1px] rounded ${
+                          detail.source === 'xiaoya' ? 'border-blue-500' : detail.source === 'openlist' || detail.source === 'emby' || detail.source?.startsWith('emby_') ? 'border-yellow-500' : 'border-gray-500/60'
+                        }`}
+                        onClick={fetchCurrentSourceVideoInfo}
+                      >
                         {detail.source_name}
+                        {/* 视频信息悬浮提示 */}
+                        {currentSourceVideoInfo && (
+                          <div className='absolute bottom-full left-1/2 transform -translate-x-1/2 mb-2 px-3 py-2 bg-gray-800 dark:bg-gray-900 text-white text-sm rounded-lg shadow-xl opacity-0 invisible group-hover:opacity-100 group-hover:visible transition-all duration-200 ease-out whitespace-nowrap z-[100] pointer-events-none'>
+                            <div className='text-sm'>
+                              <div>分辨率: {currentSourceVideoInfo.quality}</div>
+                              <div>码率: {currentSourceVideoInfo.bitrate}</div>
+                            </div>
+                            <div className='absolute top-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-l-4 border-r-4 border-t-4 border-transparent border-t-gray-800 dark:border-t-gray-900'></div>
+                          </div>
+                        )}
                       </span>
                     )}
                     {detail?.type_name && <span>{detail.type_name}</span>}
diff --git a/src/components/EpisodeSelector.tsx b/src/components/EpisodeSelector.tsx
index 73ef15a..799bebc 100644
--- a/src/components/EpisodeSelector.tsx
+++ b/src/components/EpisodeSelector.tsx
@@ -104,6 +104,10 @@ const EpisodeSelector: React.FC<EpisodeSelectorProps> = ({
   );
   // 标记初始测速是否已完成
   const [initialTestingCompleted, setInitialTestingCompleted] = useState(false);
+  // 标记是否正在进行全部重测
+  const [isRetestingAll, setIsRetestingAll] = useState(false);
+  // 标记是否正在进行初始测速
+  const [isInitialTesting, setIsInitialTesting] = useState(false);
 
   // 使用 ref 来避免闭包问题
   const attemptedSourcesRef = useRef<Set<string>>(new Set());
@@ -248,6 +252,36 @@ const EpisodeSelector: React.FC<EpisodeSelectorProps> = ({
     }
   }, [speedTestTimeout]);
 
+  // 重测所有源的函数
+  const retestAllSources = useCallback(async () => {
+    if (!availableSources || availableSources.length === 0) return;
+
+    setIsRetestingAll(true);
+
+    // 清空之前的测速结果
+    setVideoInfoMap(new Map());
+    setAttemptedSources(new Set());
+    attemptedSourcesRef.current = new Set();
+    videoInfoMapRef.current = new Map();
+
+    // 筛选需要测速的源（排除 openlist/emby/xiaoya）
+    const sourcesToTest = availableSources.filter((source) => {
+      if (source.source === 'openlist' || source.source === 'emby' || source.source.startsWith('emby_') || source.source === 'xiaoya') {
+        return false;
+      }
+      return true;
+    });
+
+    // 分批测速，每批最多5个
+    const batchSize = 5;
+    for (let i = 0; i < sourcesToTest.length; i += batchSize) {
+      const batch = sourcesToTest.slice(i, i + batchSize);
+      await Promise.all(batch.map(source => getVideoInfo(source)));
+    }
+
+    setIsRetestingAll(false);
+  }, [availableSources, getVideoInfo]);
+
   // 当有预计算结果时，先合并到videoInfoMap中
   useEffect(() => {
     if (precomputedVideoInfo && precomputedVideoInfo.size > 0) {
@@ -301,6 +335,9 @@ const EpisodeSelector: React.FC<EpisodeSelectorProps> = ({
 
       if (pendingSources.length === 0) return;
 
+      // 标记开始初始测速
+      setIsInitialTesting(true);
+
       const batchSize = Math.ceil(pendingSources.length / 2);
 
       for (let start = 0; start < pendingSources.length; start += batchSize) {
@@ -309,6 +346,7 @@ const EpisodeSelector: React.FC<EpisodeSelectorProps> = ({
       }
 
       // 初始测速完成后，标记为已完成
+      setIsInitialTesting(false);
       if (!initialTestingCompleted) {
         setInitialTestingCompleted(true);
       }
@@ -727,7 +765,24 @@ const EpisodeSelector: React.FC<EpisodeSelectorProps> = ({
 
       {/* 换源 Tab 内容 */}
       {activeTab === 'sources' && (
-        <div className='flex flex-col h-full mt-4'>
+        <div className='flex flex-col h-full mt-2'>
+          {/* 全部重测按钮 - 右上角 */}
+          {!sourceSearchLoading && !sourceSearchError && availableSources.length > 0 && (
+            <div className='flex justify-end mb-2 px-2 pb-2 border-b border-gray-300 dark:border-gray-700'>
+              <button
+                onClick={retestAllSources}
+                disabled={isRetestingAll || retestingSources.size > 0 || isInitialTesting}
+                className={`text-xs font-medium transition-colors ${
+                  isRetestingAll || retestingSources.size > 0 || isInitialTesting
+                    ? 'text-gray-400 dark:text-gray-500 cursor-not-allowed'
+                    : 'text-blue-600 dark:text-blue-400 hover:text-blue-700 dark:hover:text-blue-300 cursor-pointer'
+                }`}
+              >
+                {isRetestingAll ? '重测中...' : isInitialTesting ? '测速中...' : '全部重测'}
+              </button>
+            </div>
+          )}
+
           {sourceSearchLoading && (
             <div className='flex items-center justify-center py-8'>
               <div className='animate-spin rounded-full h-8 w-8 border-b-2 border-green-500'></div>