diff --git a/internal/repository/repository.go b/internal/repository/repository.go
index bef5201..1856b3e 100644
--- a/internal/repository/repository.go
+++ b/internal/repository/repository.go
@@ -267,6 +267,12 @@ func (r *MediaRepository) Upsert(ctx context.Context, m *model.Media) error {
 			updates["nsfw"] = true
 		}
 	}
+	if m.PosterURL != "" {
+		updates["poster_url"] = m.PosterURL
+	}
+	if m.BackdropURL != "" {
+		updates["backdrop_url"] = m.BackdropURL
+	}
 	if lib := m.LibraryID; lib != "" && lib != existing.LibraryID {
 		updates["library_id"] = m.LibraryID
 	}
diff --git a/internal/service/local_metadata_test.go b/internal/service/local_metadata_test.go
index 42d4efd..08b613c 100644
--- a/internal/service/local_metadata_test.go
+++ b/internal/service/local_metadata_test.go
@@ -491,6 +491,55 @@ func TestScanLibraryDoesNotMarkArtworkOnlyAsMatched(t *testing.T) {
 	}
 }
 
+func TestScanLibraryRefreshesArtworkOnlyMetadata(t *testing.T) {
+	root := t.TempDir()
+	mediaPath := filepath.Join(root, "Movie.mkv")
+	if err := os.WriteFile(mediaPath, []byte("x"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	oldPoster := filepath.Join(root, "Movie-thumb.jpg")
+	if err := os.WriteFile(oldPoster, []byte("jpg"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := db.AutoMigrate(&model.Library{}, &model.Media{}, &model.Setting{}); err != nil {
+		t.Fatal(err)
+	}
+	repos := repository.New(db)
+	lib := model.Library{Name: "Movies", Path: root, Type: "movie", Enabled: true}
+	if err := repos.Library.Create(t.Context(), &lib); err != nil {
+		t.Fatal(err)
+	}
+
+	scanner := NewScannerService(&config.Config{}, zap.NewNop(), repos, NewHub(zap.NewNop()), nil, nil)
+	if _, err := scanner.ScanLibrary(t.Context(), lib.ID); err != nil {
+		t.Fatal(err)
+	}
+
+	newPoster := filepath.Join(root, "poster.jpg")
+	if err := os.WriteFile(newPoster, []byte("jpg"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := scanner.ScanLibrary(t.Context(), lib.ID); err != nil {
+		t.Fatal(err)
+	}
+
+	var media model.Media
+	if err := db.First(&media, "path = ?", mediaPath).Error; err != nil {
+		t.Fatal(err)
+	}
+	if media.PosterURL != newPoster {
+		t.Fatalf("poster_url = %q, want refreshed local poster %q", media.PosterURL, newPoster)
+	}
+	if media.ScrapeStatus == "matched" {
+		t.Fatalf("artwork-only refresh should keep media enrichable, got %q", media.ScrapeStatus)
+	}
+}
+
 func TestScanLibraryParsesEpisodesForMovieTypedLibrary(t *testing.T) {
 	root := t.TempDir()
 	seasonDir := filepath.Join(root, "哈哈哈哈哈 (2020)", "Season 06")
diff --git a/web/src/pages/LibrariesPage.tsx b/web/src/pages/LibrariesPage.tsx
index f7ec3d4..b5461a8 100644
--- a/web/src/pages/LibrariesPage.tsx
+++ b/web/src/pages/LibrariesPage.tsx
@@ -1,11 +1,13 @@
 import { useEffect, useMemo, useState, type ReactNode } from 'react'
 import { Link } from 'react-router-dom'
 import { motion } from 'framer-motion'
-import { ArrowRight, Film, Library as LibraryIcon, Music, PlayCircle, Tv } from 'lucide-react'
+import { ArrowRight, Film, FolderOpen, Library as LibraryIcon, Music, PlayCircle, Tv } from 'lucide-react'
 
 import { imageURL } from '../api/client'
 import { libraryAPI } from '../api/library'
+import { MediaCard } from '../components/MediaCard'
 import type { Library, Media } from '../types'
+import { artworkScore, groupSeries, type SeriesCard } from '../utils/groupSeries'
 
 type LibraryPreview = {
   library: Library
@@ -13,12 +15,19 @@ type LibraryPreview = {
   total: number
 }
 
+type CategorySummary = {
+  type: string
+  libraries: number
+  total: number
+  items: Media[]
+}
+
 const TYPE_ICONS: Record<string, ReactNode> = {
-  movie: <Film size={20} />,
-  tv: <Tv size={20} />,
-  anime: <PlayCircle size={20} />,
-  variety: <Tv size={20} />,
-  music: <Music size={20} />,
+  movie: <Film size={18} />,
+  tv: <Tv size={18} />,
+  anime: <PlayCircle size={18} />,
+  variety: <Tv size={18} />,
+  music: <Music size={18} />,
 }
 
 const TYPE_LABELS: Record<string, string> = {
@@ -30,11 +39,11 @@ const TYPE_LABELS: Record<string, string> = {
 }
 
 const TYPE_DESCRIPTIONS: Record<string, string> = {
-  movie: '电影、动画电影、纪录片电影',
-  tv: '电视剧、短剧、纪录片剧集',
-  anime: '番剧、动画、OVA 与剧场版',
-  variety: '综艺、真人秀、晚会与节目合集',
-  music: '音乐、MV、演唱会与音频内容',
+  movie: '电影 / 动画电影 / 纪录片',
+  tv: '国产剧 / 欧美剧 / 日韩剧',
+  anime: '国漫 / 日番 / OVA',
+  variety: '综艺 / 真人秀 / 晚会',
+  music: '音乐 / MV / 演唱会',
 }
 
 export function LibrariesPage() {
@@ -50,7 +59,7 @@ export function LibrariesPage() {
         const libs = await libraryAPI.list()
         const rows = await Promise.all(libs.map(async (library) => {
           try {
-            const page = await libraryAPI.listMedia(library.id, 1, 16)
+            const page = await libraryAPI.listMedia(library.id, 1, 120)
             return { library, items: page.items, total: page.total } satisfies LibraryPreview
           } catch {
             return { library, items: [], total: 0 } satisfies LibraryPreview
@@ -66,12 +75,13 @@ export function LibrariesPage() {
   }, [])
 
   const categories = useMemo(() => {
-    const map = new Map<string, { type: string; libraries: number; total: number }>()
+    const map = new Map<string, CategorySummary>()
     for (const preview of previews) {
       const type = preview.library.type || 'other'
-      const current = map.get(type) ?? { type, libraries: 0, total: 0 }
+      const current = map.get(type) ?? { type, libraries: 0, total: 0, items: [] }
       current.libraries += 1
       current.total += preview.total
+      current.items.push(...preview.items)
       map.set(type, current)
     }
     return Array.from(map.values()).sort((a, b) => b.total - a.total)
@@ -81,6 +91,17 @@ export function LibrariesPage() {
     ? previews
     : previews.filter((preview) => preview.library.type === activeType)
 
+  const activeItems = useMemo(() => filtered.flatMap((preview) => preview.items), [filtered])
+  const latestCards = useMemo(() => {
+    return groupSeries(activeItems)
+      .sort((a, b) => mediaTime(b.rep) - mediaTime(a.rep))
+      .slice(0, 9)
+  }, [activeItems])
+
+  const activeLabel = activeType === 'all'
+    ? '全部媒体'
+    : TYPE_LABELS[activeType] ?? activeType
+
   if (loading) {
     return <p className="px-2 py-8 text-sm text-sand-500">媒体库加载中…</p>
   }
@@ -90,7 +111,7 @@ export function LibrariesPage() {
       <div className="flex flex-wrap items-end justify-between gap-4">
         <div>
           <h1 className="font-display text-3xl font-bold text-ink-600">媒体库</h1>
-          <p className="mt-1 text-sm text-ink-50">按影视分类浏览所有目录；每个文件夹会自动使用库内海报生成封面。</p>
+          <p className="mt-1 text-sm text-ink-50">先看每类最新入库，再通过目录入口进入完整文件夹。</p>
         </div>
         <Link to="/admin" className="btn-outline">
           管理媒体库
@@ -105,41 +126,81 @@ export function LibrariesPage() {
         </div>
       ) : (
         <>
-          <section className="grid gap-3 sm:grid-cols-2 xl:grid-cols-5">
-            <CategoryCard
-              active={activeType === 'all'}
-              icon={<LibraryIcon size={20} />}
-              label="全部媒体"
-              description="电影、剧集、番剧、综艺统一视图"
-              total={previews.reduce((sum, preview) => sum + preview.total, 0)}
-              libraries={previews.length}
-              onClick={() => setActiveType('all')}
-            />
-            {categories.map((category) => (
+          <section className="overflow-x-auto pb-2">
+            <div className="flex min-w-full gap-3">
               <CategoryCard
-                key={category.type}
-                active={activeType === category.type}
-                icon={TYPE_ICONS[category.type] ?? <LibraryIcon size={20} />}
-                label={TYPE_LABELS[category.type] ?? category.type}
-                description={TYPE_DESCRIPTIONS[category.type] ?? '自定义媒体分类'}
-                total={category.total}
-                libraries={category.libraries}
-                onClick={() => setActiveType(category.type)}
+                active={activeType === 'all'}
+                icon={<LibraryIcon size={18} />}
+                label="全部媒体"
+                description="统一浏览"
+                total={previews.reduce((sum, preview) => sum + preview.total, 0)}
+                libraries={previews.length}
+                onClick={() => setActiveType('all')}
               />
-            ))}
+              {categories.map((category) => (
+                <CategoryCard
+                  key={category.type}
+                  active={activeType === category.type}
+                  icon={TYPE_ICONS[category.type] ?? <LibraryIcon size={18} />}
+                  label={TYPE_LABELS[category.type] ?? category.type}
+                  description={TYPE_DESCRIPTIONS[category.type] ?? '自定义分类'}
+                  total={category.total}
+                  libraries={category.libraries}
+                  onClick={() => setActiveType(category.type)}
+                />
+              ))}
+            </div>
           </section>
 
-          <section className="grid gap-5 sm:grid-cols-2 xl:grid-cols-3">
-            {filtered.map((preview, index) => (
-              <motion.div
-                key={preview.library.id}
-                initial={{ opacity: 0, y: 12 }}
-                animate={{ opacity: 1, y: 0 }}
-                transition={{ delay: index * 0.03 }}
-              >
-                <LibraryCard preview={preview} />
-              </motion.div>
-            ))}
+          <section className="space-y-4">
+            <div className="flex items-center justify-between gap-3">
+              <div>
+                <h2 className="font-display text-2xl font-bold text-ink-600">{activeLabel} · 最近更新</h2>
+                <p className="text-sm text-ink-50">显示前 9 部最新入库或更新的影片 / 剧集合集。</p>
+              </div>
+              {filtered.length === 1 && (
+                <Link to={`/library/${filtered[0].library.id}`} className="btn-outline shrink-0">
+                  浏览全部
+                  <ArrowRight size={14} />
+                </Link>
+              )}
+            </div>
+
+            {latestCards.length > 0 ? (
+              <div className="grid grid-cols-3 gap-4 sm:grid-cols-4 lg:grid-cols-6 2xl:grid-cols-9">
+                {latestCards.map((card) => (
+                  <MediaCard
+                    key={card.key}
+                    media={card.rep}
+                    count={card.count}
+                    linkTo={mediaCardLink(card)}
+                  />
+                ))}
+              </div>
+            ) : (
+              <div className="rounded-3xl border border-dashed border-sand-200 bg-white px-6 py-12 text-center text-sm text-ink-50">
+                当前分类还没有入库内容，扫描媒体库后会显示在这里。
+              </div>
+            )}
+          </section>
+
+          <section className="space-y-4">
+            <div>
+              <h2 className="font-display text-2xl font-bold text-ink-600">目录入口</h2>
+              <p className="text-sm text-ink-50">按你添加的媒体库文件夹进入，适合继续按文件分类查找。</p>
+            </div>
+            <div className="grid gap-4 sm:grid-cols-2 xl:grid-cols-3">
+              {filtered.map((preview, index) => (
+                <motion.div
+                  key={preview.library.id}
+                  initial={{ opacity: 0, y: 12 }}
+                  animate={{ opacity: 1, y: 0 }}
+                  transition={{ delay: index * 0.03 }}
+                >
+                  <LibraryFolderCard preview={preview} />
+                </motion.div>
+              ))}
+            </div>
           </section>
         </>
       )}
@@ -169,76 +230,85 @@ function CategoryCard({
       type="button"
       onClick={onClick}
       className={
-        'rounded-3xl border p-4 text-left transition-all ' +
+        'min-w-[9.5rem] shrink-0 rounded-2xl border p-3 text-left transition-all lg:w-[calc((100%-3.75rem)/6)] ' +
         (active
           ? 'border-brand-300 bg-brand-50 shadow-card'
           : 'border-sand-200 bg-white hover:-translate-y-0.5 hover:border-brand-200 hover:shadow-card')
       }
     >
-      <div className="mb-4 flex items-center justify-between">
-        <span className="flex h-11 w-11 items-center justify-center rounded-2xl bg-white text-brand-600 shadow-sm">
+      <div className="mb-3 flex items-center justify-between">
+        <span className="flex h-9 w-9 items-center justify-center rounded-xl bg-white text-brand-600 shadow-sm">
           {icon}
         </span>
-        <span className="rounded-full bg-white px-2.5 py-1 text-[11px] font-bold text-sand-600">
+        <span className="rounded-full bg-white px-2 py-0.5 text-[10px] font-bold text-sand-600">
           {libraries} 库
         </span>
       </div>
-      <h2 className="font-display text-lg font-bold text-ink-600">{label}</h2>
-      <p className="mt-1 line-clamp-2 text-xs text-ink-50">{description}</p>
-      <p className="mt-4 text-xs font-bold text-brand-600">{total.toLocaleString()} 个条目</p>
+      <h2 className="font-display text-base font-bold text-ink-600">{label}</h2>
+      <p className="mt-0.5 truncate text-[11px] text-ink-50">{description}</p>
+      <p className="mt-2 text-xs font-bold text-brand-600">{total.toLocaleString()} 项</p>
     </button>
   )
 }
 
-function LibraryCard({ preview }: { preview: LibraryPreview }) {
+function LibraryFolderCard({ preview }: { preview: LibraryPreview }) {
   const library = preview.library
-  const artwork = preview.items
-    .map((item) => item.poster_url || item.backdrop_url)
+  const artwork = groupSeries(preview.items)
+    .sort((a, b) => artworkScore(b.rep) - artworkScore(a.rep) || mediaTime(b.rep) - mediaTime(a.rep))
+    .map((card) => card.rep.poster_url || card.rep.backdrop_url)
     .filter(Boolean)
-    .slice(0, 6) as string[]
+    .slice(0, 4) as string[]
 
   return (
     <Link
       to={`/library/${library.id}`}
-      className="group block overflow-hidden rounded-[1.7rem] border border-sand-200 bg-white shadow-card transition-all hover:-translate-y-0.5 hover:border-brand-200 hover:shadow-card-hover"
+      className="group flex overflow-hidden rounded-3xl border border-sand-200 bg-white p-3 shadow-card transition-all hover:-translate-y-0.5 hover:border-brand-200 hover:shadow-card-hover"
     >
-      <div className="relative aspect-[16/9] overflow-hidden bg-[linear-gradient(135deg,#fff7ed,#f8fafc)]">
+      <div className="grid h-24 w-36 shrink-0 grid-cols-2 gap-1 overflow-hidden rounded-2xl bg-[linear-gradient(135deg,#fff7ed,#f8fafc)]">
         {artwork.length > 0 ? (
-          <div className="grid h-full grid-cols-3 gap-1 p-1.5">
-            {artwork.map((src, index) => (
-              <img
-                key={`${src}-${index}`}
-                src={imageURL(src)}
-                alt=""
-                loading="lazy"
-                referrerPolicy="no-referrer"
-                className={`h-full w-full rounded-xl object-cover ${index === 0 ? 'col-span-2 row-span-2' : ''}`}
-                onError={(event) => { event.currentTarget.style.visibility = 'hidden' }}
-              />
-            ))}
-          </div>
+          artwork.map((src, index) => (
+            <img
+              key={`${src}-${index}`}
+              src={imageURL(src)}
+              alt=""
+              loading="lazy"
+              referrerPolicy="no-referrer"
+              className="h-full w-full object-cover"
+              onError={(event) => { event.currentTarget.style.visibility = 'hidden' }}
+            />
+          ))
         ) : (
-          <div className="flex h-full items-center justify-center text-brand-500">
-            {TYPE_ICONS[library.type] ?? <LibraryIcon size={42} />}
+          <div className="col-span-2 flex h-full items-center justify-center text-brand-500">
+            {TYPE_ICONS[library.type] ?? <FolderOpen size={34} />}
           </div>
         )}
-        <div className="absolute inset-0 bg-gradient-to-t from-ink-600/70 via-ink-600/10 to-transparent" />
-        <div className="absolute left-4 top-4 rounded-full bg-white/90 px-3 py-1 text-xs font-bold text-ink-600 shadow-sm backdrop-blur">
-          {TYPE_LABELS[library.type] ?? library.type}
-        </div>
-        <div className="absolute bottom-4 left-4 right-4">
-          <h2 className="font-display text-2xl font-black text-white drop-shadow-sm group-hover:text-brand-100">
+      </div>
+      <div className="flex min-w-0 flex-1 flex-col justify-between px-4 py-1">
+        <div>
+          <div className="mb-1 inline-flex rounded-full bg-sand-100 px-2 py-0.5 text-[10px] font-bold text-sand-600">
+            {TYPE_LABELS[library.type] ?? library.type}
+          </div>
+          <h2 className="truncate font-display text-xl font-black text-ink-600 group-hover:text-brand-600">
             {library.name}
           </h2>
-          <p className="mt-1 text-xs font-semibold text-white/85">{preview.total.toLocaleString()} 个媒体条目</p>
+          <p className="mt-1 line-clamp-1 break-all text-xs text-ink-50">{library.path}</p>
+        </div>
+        <div className="flex items-center justify-between text-xs font-bold">
+          <span className="text-sand-600">{preview.total.toLocaleString()} 个条目</span>
+          <span className="text-brand-600">进入文件夹</span>
         </div>
-      </div>
-      <div className="flex items-center justify-between gap-3 p-5">
-        <p className="line-clamp-1 break-all text-xs text-ink-50">{library.path}</p>
-        <span className="shrink-0 rounded-xl bg-sand-100 px-3 py-1 text-xs font-bold text-sand-600 transition-colors group-hover:bg-brand-100 group-hover:text-brand-700">
-          进入
-        </span>
       </div>
     </Link>
   )
 }
+
+function mediaCardLink(card: SeriesCard): string {
+  if (card.count > 1) {
+    return `/library/${card.rep.library_id}?series=${encodeURIComponent(card.key)}`
+  }
+  return `/media/${card.rep.id}`
+}
+
+function mediaTime(media: Media): number {
+  return Date.parse(media.updated_at || media.created_at || '') || 0
+}
diff --git a/web/src/utils/groupSeries.ts b/web/src/utils/groupSeries.ts
index 01c4e9c..58e2afc 100644
--- a/web/src/utils/groupSeries.ts
+++ b/web/src/utils/groupSeries.ts
@@ -68,11 +68,11 @@ export function groupSeries(items: Media[]): SeriesCard[] {
       groups.set(key, { key, rep: m, count: 1 })
     } else {
       g.count += 1
-      const repHasPoster = !!g.rep.poster_url
-      const curHasPoster = !!m.poster_url
-      if (!repHasPoster && curHasPoster) {
+      const currentArtwork = artworkScore(m)
+      const representativeArtwork = artworkScore(g.rep)
+      if (currentArtwork > representativeArtwork) {
         g.rep = m
-      } else if (repHasPoster === curHasPoster) {
+      } else if (currentArtwork === representativeArtwork) {
         const cur = (m.season_num ?? 0) * 10000 + (m.episode_num ?? 0)
         const rep = (g.rep.season_num ?? 0) * 10000 + (g.rep.episode_num ?? 0)
         if (cur > 0 && (rep === 0 || cur < rep)) g.rep = m
@@ -81,3 +81,15 @@ export function groupSeries(items: Media[]): SeriesCard[] {
   }
   return Array.from(groups.values())
 }
+
+export function artworkScore(media: Media): number {
+  const poster = (media.poster_url ?? '').toLowerCase()
+  const backdrop = (media.backdrop_url ?? '').toLowerCase()
+  if (poster) {
+    if (/(poster|folder|cover|movie|show|pl)(?:[._-]|\.[a-z0-9]+$|$)/.test(poster)) return 40
+    if (/(actor|actress|cast|avatar|sample|screenshot|screen|still|scene|fanart|backdrop|background|landscape|banner|logo|disc)/.test(poster)) return 10
+    if (/(thumb)/.test(poster)) return 20
+    return 30
+  }
+  return backdrop ? 5 : 0
+}