diff --git a/.memory/worklog.json b/.memory/worklog.json
index 5a20d67..85b703f 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -272,6 +272,13 @@
       "message": "auto-save 2026-05-12 19:42 (~3)",
       "hash": "f901b71",
       "files_changed": 3
+    },
+    {
+      "ts": "2026-05-12T19:48:07+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-12 19:47 (~2)",
+      "hash": "07766e0",
+      "files_changed": 2
     }
   ]
 }
diff --git a/web/components/nodes/index.tsx b/web/components/nodes/index.tsx
index 3950a05..0a3a241 100644
--- a/web/components/nodes/index.tsx
+++ b/web/components/nodes/index.tsx
@@ -128,17 +128,39 @@ export function InputNode({ data, selected }: NodeProps<{ data: NodeData }> | an
         </>
       )}
 
-      {/* 已下载：仅元数据 + 解析按钮（视频播放器和加帧 controls 在左侧看板 Keyframe section） */}
+      {/* 已下载：视频播放器 + 加帧 + 元数据 + 解析按钮 */}
       {hasVideo && job && (
         <>
-          <div className="rounded-md bg-black/30 border border-black/10 dark:border-white/10 px-3 py-2.5">
-            <div className="flex items-center justify-between text-[10.5px] font-mono text-[var(--text-faint)] mb-1">
-              <span>视频已下载</span>
-              <span>{job.url.startsWith("upload://") ? "📎 上传" : "🔗 链接"}</span>
-            </div>
-            <div className="text-[var(--text-strong)] text-[13px] font-mono">
-              {job.width}×{job.height} · {job.duration.toFixed(1)}s
-            </div>
+          {/* 视频播放器（拖时间轴选帧） */}
+          <video
+            ref={videoRef}
+            src={videoUrl(job.id)}
+            controls
+            onTimeUpdate={(e) => setVideoT((e.target as HTMLVideoElement).currentTime)}
+            className="block w-full rounded-md bg-black border border-black/10 dark:border-white/10"
+          />
+          {/* 加帧按钮（已抽过帧才出现） */}
+          {hasFrames && (
+            <button
+              type="button"
+              disabled={addingFrame}
+              onClick={async (e) => {
+                e.stopPropagation()
+                const t = videoRef.current?.currentTime ?? videoT
+                setAddingFrame(true)
+                try { await d.onAddManualFrame(t) } finally { setAddingFrame(false) }
+              }}
+              className="mt-2 w-full text-[12px] py-1.5 rounded-md bg-emerald-500 hover:bg-emerald-400 text-white disabled:opacity-50 inline-flex items-center justify-center gap-1.5 font-medium"
+              title="把视频当前时间点抽为新关键帧"
+            >
+              {addingFrame ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <Plus className="h-3.5 w-3.5" />}
+              {addingFrame ? "抽帧中…" : `+ 把 ${videoT.toFixed(1)}s 加为关键帧`}
+            </button>
+          )}
+          {/* 元数据 */}
+          <div className="mt-2 rounded-md bg-black/30 border border-black/10 dark:border-white/10 px-3 py-2 flex items-center justify-between text-[10.5px] font-mono">
+            <span className="text-[var(--text-strong)]">{job.width}×{job.height} · {job.duration.toFixed(1)}s</span>
+            <span className="text-[var(--text-faint)]">{job.url.startsWith("upload://") ? "📎 上传" : "🔗 链接"}</span>
           </div>
 
           <button
@@ -229,19 +251,14 @@ export function KeyframeNode({ data, selected }: any) {
   const st = keyframeStatus(d.job)
   const frames = d.job?.frames ?? []
   const jobId = d.job?.id
-  const job = d.job
-  const hasVideo = !!job?.video_url
-  const videoRef = useRef<HTMLVideoElement>(null)
-  const [videoT, setVideoT] = useState(0)
-  const [addingFrame, setAddingFrame] = useState(false)
 
   return (
     <div className="relative" style={{ width: KEYFRAME_WIDTH }}>
-      {/* 缩略图浮条（节点上方） */}
+      {/* 缩略图浮条（节点上方，最多 5 个一行，多行向上扩展） */}
       {frames.length > 0 && jobId && (
         <div
-          className="absolute left-0 right-0 -top-[68px] flex items-end justify-center"
-          style={{ gap: THUMB_GAP }}
+          className="absolute left-0 right-0 grid grid-cols-5 gap-1.5"
+          style={{ bottom: "calc(100% + 12px)" }}
         >
           {frames.map((f) => {
             const isSel = d.selectedFrames.has(f.index)
@@ -250,12 +267,11 @@ export function KeyframeNode({ data, selected }: any) {
                 key={f.index}
                 onClick={(e) => { e.stopPropagation(); d.onExpandFrame(f.index) }}
                 title={`第 ${f.index + 1} 张 · ${f.timestamp.toFixed(1)}s · 点击放大`}
-                className={`group relative rounded-md border transition shadow-lg hover:-translate-y-0.5 ${
+                className={`group relative rounded-md border transition shadow-lg hover:-translate-y-0.5 aspect-video ${
                   isSel
                     ? "border-emerald-400 ring-2 ring-emerald-400/60"
                     : "border-white/30 dark:border-white/20"
                 }`}
-                style={{ width: THUMB_W, height: Math.round(THUMB_W * 9 / 16) }}
               >
                 <img
                   src={frameUrl(jobId, f.index)}
@@ -313,39 +329,17 @@ export function KeyframeNode({ data, selected }: any) {
         width={KEYFRAME_WIDTH}
         selected={selected}
       >
-        {hasVideo && jobId ? (
-          <div className="space-y-2">
-            <video
-              ref={videoRef}
-              src={videoUrl(jobId)}
-              controls
-              onTimeUpdate={(e) => setVideoT((e.target as HTMLVideoElement).currentTime)}
-              className="block w-full rounded-md bg-black border border-black/10 dark:border-white/10"
-            />
-            <button
-              type="button"
-              disabled={addingFrame}
-              onClick={async (e) => {
-                e.stopPropagation()
-                const t = videoRef.current?.currentTime ?? videoT
-                setAddingFrame(true)
-                try { await d.onAddManualFrame(t) } finally { setAddingFrame(false) }
-              }}
-              className="w-full text-[12px] py-2 rounded-md bg-emerald-500 hover:bg-emerald-400 text-white disabled:opacity-50 inline-flex items-center justify-center gap-1.5 font-medium"
-              title="把视频当前时间点抽为新关键帧"
-            >
-              {addingFrame ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <Plus className="h-3.5 w-3.5" />}
-              {addingFrame ? "抽帧中…" : `+ 把 ${videoT.toFixed(1)}s 加为关键帧`}
-            </button>
-            <div className="text-[10.5px] text-[var(--text-faint)] text-center">
-              {frames.length > 0
-                ? `自动 ${frames.length} 张 · 选中 ${d.selectedFrames.size} 张 · 上方缩略图可点击放大`
-                : "等待解析后抽取（默认 5 张）"}
-            </div>
+        {frames.length > 0 ? (
+          <div className="text-[11.5px] leading-relaxed text-[var(--text-soft)]">
+            自动 <span className="text-[var(--text-strong)] font-medium">{frames.length}</span> 张 · 选中 {d.selectedFrames.size} 张
+            <br />
+            <span className="text-[10.5px] text-[var(--text-faint)]">
+              上方缩略图点击放大 · 在 Input 节点拖时间轴可手动加帧
+            </span>
           </div>
         ) : (
           <div className="text-[11.5px] text-[var(--text-faint)] py-1">
-            等待视频下载完成
+            等待解析（默认 5 张）
           </div>
         )}
       </NodeShell>