fix(VideoPlayer): 处理 sourceopen 与浏览器差异

- 优化 useEffect 逻辑，当 source 变化时重置状态
- 确保数据重新获取时显示正确的加载状态

lib/hooks/useVideoPlayer.ts

@@ -169,6 +169,12 @@ export function useVideoPlayer(
 
   useEffect(() => {
     if (videoId && source) {
+      // Reset state when source changes to ensure clean fetch
+      setVideoData(null);
+      setLoading(true);
+      setVideoError('');
+      setCurrentEpisode(0);
+      setPlayUrl('');
       fetchVideoDetails();
     }
   }, [videoId, source, fetchVideoDetails]);