移除日期未知和修正页面定位

src/app/layout.tsx

@@ -16,6 +16,7 @@ import { SiteProvider } from '../components/SiteProvider';
 import { ThemeProvider } from '../components/ThemeProvider';
 import { TokenRefreshManager } from '../components/TokenRefreshManager';
 import TopProgressBar from '../components/TopProgressBar';
+import RouteScrollReset from '../components/RouteScrollReset';
 import ChatFloatingWindow from '../components/watch-room/ChatFloatingWindow';
 import { WatchRoomProvider } from '../components/WatchRoomProvider';
 import { DownloadProvider } from '../contexts/DownloadContext';
@@ -268,6 +269,7 @@ export default async function RootLayout({
           disableTransitionOnChange
         >
           <TopProgressBar />
+          <RouteScrollReset />
           <TokenRefreshManager />
           <SiteProvider siteName={siteName} announcement={announcement} tmdbApiKey={tmdbApiKey}>
             <WatchRoomProvider>

src/app/manga/detail/page.tsx

@@ -48,7 +48,7 @@ function MangaDetailSkeleton() {
   );
 }
 
-function formatChapterMeta(chapter: MangaChapter): string {
+function formatChapterMeta(chapter: MangaChapter): string | null {
   if (typeof chapter.pageCount === 'number' && chapter.pageCount > 0) {
     return `${chapter.pageCount} 页`;
   }
@@ -64,7 +64,7 @@ function formatChapterMeta(chapter: MangaChapter): string {
     }
   }
 
-  return '日期未知';
+  return null;
 }
 
 export default function MangaDetailPage() {
@@ -264,8 +264,11 @@ export default function MangaDetailPage() {
                   )}
                 </div>
                 <div className='mt-1 text-xs text-gray-500'>
-                  {formatChapterMeta(chapter)}
-                  {active && currentRecord ? ` · 上次看到第 ${currentRecord.pageIndex + 1} 页` : ''}
+                  {(() => {
+                    const meta = formatChapterMeta(chapter);
+                    const progress = active && currentRecord ? `上次看到第 ${currentRecord.pageIndex + 1} 页` : null;
+                    return [meta, progress].filter(Boolean).join(' · ');
+                  })()}
                 </div>
               </Link>
             );

src/app/manga/read/page.tsx

@@ -102,6 +102,7 @@ export default function MangaReadPage() {
   const requestVerticalPageSyncRef = useRef<(() => void) | null>(null);
   const currentVerticalPageIndexRef = useRef(0);
   const preloadedImageUrlsRef = useRef<Set<string>>(new Set());
+  const activeChapterRef = useRef<HTMLAnchorElement | null>(null);
 
   const getCurrentVerticalPageIndex = () => {
     if (!verticalPageRefs.current.length) return 0;
@@ -642,6 +643,22 @@ export default function MangaReadPage() {
     [chapterList, chapterListDesc]
   );
 
+  useEffect(() => {
+    if (!chapterListOpen) return;
+
+    const rafId = window.requestAnimationFrame(() => {
+      activeChapterRef.current?.scrollIntoView({
+        block: 'center',
+        inline: 'nearest',
+        behavior: 'auto',
+      });
+    });
+
+    return () => {
+      window.cancelAnimationFrame(rafId);
+    };
+  }, [chapterId, chapterListOpen, orderedChapterList]);
+
   const pagedItems = useMemo(() => {
     if (readMode === 'single') {
       return pages[activePage] ? [pages[activePage]] : [];
@@ -798,6 +815,7 @@ export default function MangaReadPage() {
                   return (
                     <Link
                       key={chapter.id}
+                      ref={active ? activeChapterRef : null}
                       href={`/manga/read?mangaId=${mangaId}&sourceId=${sourceId}&chapterId=${chapter.id}&title=${encodeURIComponent(title)}&cover=${encodeURIComponent(cover)}&sourceName=${encodeURIComponent(sourceName)}&chapterName=${encodeURIComponent(chapter.name)}&returnTo=${encodeURIComponent(returnTo)}`}
                       className={`group relative block rounded-2xl px-4 py-3 text-sm transition ${
                         active

src/components/RouteScrollReset.tsx

@@ -0,0 +1,27 @@
+'use client';
+
+import { usePathname } from 'next/navigation';
+import { useEffect } from 'react';
+
+export default function RouteScrollReset() {
+  const pathname = usePathname();
+
+  useEffect(() => {
+    if (typeof window === 'undefined' || !pathname?.startsWith('/manga') || pathname === '/manga/read') return;
+
+    const reset = () => {
+      window.scrollTo({ top: 0, left: 0, behavior: 'auto' });
+      document.documentElement.scrollTop = 0;
+      document.body.scrollTop = 0;
+    };
+
+    reset();
+    const rafId = window.requestAnimationFrame(reset);
+
+    return () => {
+      window.cancelAnimationFrame(rafId);
+    };
+  }, [pathname]);
+
+  return null;
+}