diff --git a/.memory/worklog.json b/.memory/worklog.json
index 7623ffb..224d3b3 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -1860,6 +1860,13 @@
       "message": "auto-save 2026-05-20 22:54 (~3)",
       "hash": "7697754",
       "files_changed": 3
+    },
+    {
+      "ts": "2026-05-20T23:55:28+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-20 23:53 (~2)",
+      "hash": "e85be86",
+      "files_changed": 2
     }
   ]
 }
diff --git a/src/app/globals.css b/src/app/globals.css
index 0224ccf..3243a4a 100644
--- a/src/app/globals.css
+++ b/src/app/globals.css
@@ -1028,7 +1028,8 @@ input, textarea {
     0 0 0 1px rgba(255, 255, 255, 0.22);
 }
 
-.gallery-center-preview img {
+.gallery-center-preview img,
+.gallery-center-preview video {
   display: block;
   width: min(74vw, 960px);
   height: 82vh;
@@ -1090,7 +1091,8 @@ input, textarea {
   background: #fff;
 }
 
-.gallery-drawer-card__image img {
+.gallery-drawer-card__image img,
+.gallery-drawer-card__image video {
   display: block;
   width: 100%;
   height: 100%;
diff --git a/src/components/HoverImagePreview.tsx b/src/components/HoverImagePreview.tsx
index e0ba875..5b34a8c 100644
--- a/src/components/HoverImagePreview.tsx
+++ b/src/components/HoverImagePreview.tsx
@@ -108,3 +108,58 @@ export function HoverImagePreview({
     </>
   );
 }
+
+export function HoverVideoPreview({
+  src,
+  className,
+  aspectRatio,
+}: {
+  src: string;
+  className?: string;
+  aspectRatio?: string;
+}) {
+  const [preview, setPreview] = useState<PreviewState | null>(null);
+  const [mounted, setMounted] = useState(false);
+
+  useEffect(() => {
+    setMounted(true);
+  }, []);
+
+  return (
+    <>
+      <video
+        src={src}
+        className={className}
+        muted
+        loop
+        playsInline
+        preload="metadata"
+        onPointerMove={event => {
+          if (event.pointerType === 'touch') return;
+          setPreview(nextPreviewState(event, aspectRatio));
+          event.currentTarget.play().catch(() => undefined);
+        }}
+        onPointerLeave={event => {
+          setPreview(null);
+          event.currentTarget.pause();
+        }}
+      />
+      {preview && mounted && createPortal(
+        <div
+          className="pointer-events-none fixed z-[90] overflow-hidden rounded-[8px] bg-black shadow-[0_24px_80px_-24px_rgba(0,0,0,0.86)] ring-1 ring-white/20"
+          style={{ left: preview.left, top: preview.top, width: preview.width, height: preview.height }}
+        >
+          <video
+            src={src}
+            className="h-full w-full object-contain"
+            muted
+            autoPlay
+            loop
+            playsInline
+          />
+        </div>,
+        document.body
+      )}
+    </>
+  );
+}
diff --git a/src/components/PackPanel.tsx b/src/components/PackPanel.tsx
index ba6b10d..c810460 100644
--- a/src/components/PackPanel.tsx
+++ b/src/components/PackPanel.tsx
@@ -4,7 +4,7 @@ import { useEffect, useState } from 'react';
 import { createPortal } from 'react-dom';
 import type { AssetPack, AssetTemplate, GenImage, GenSession, PackKind, ToyAsset } from '@/lib/types';
 import { PACK_LABELS, PACK_ORDER, PACK_TEMPLATES, TEXT_TEMPLATES, VIDEO_TEMPLATES } from '@/lib/templates';
-import { HoverImagePreview } from './HoverImagePreview';
+import { HoverImagePreview, HoverVideoPreview } from './HoverImagePreview';
 
 const PACK_DESCRIPTIONS: Record<PackKind, string> = {
   patent: '六面视图 · 45° 立体图 · 局部放大',
@@ -375,7 +375,30 @@ function VideoSection({ videoLoading, primaryImage, locked, session, onGenerateV
   const [showPromptId, setShowPromptId] = useState<string | null>(null);
   const videoTasks = session.videoTasks ?? [];
   const byTemplate = new Map(videoTasks.map(task => [task.templateId, task]));
-  const submittedCount = VIDEO_TEMPLATES.filter(template => byTemplate.has(template.id)).length;
+  const builtInIds = new Set<string>(VIDEO_TEMPLATES.map(template => template.id));
+  const extraTasks = videoTasks.filter(task => !builtInIds.has(task.templateId) && !/_part[12]$/.test(task.templateId));
+  const videoItems = [
+    ...VIDEO_TEMPLATES.map(template => ({
+      id: template.id,
+      title: template.title,
+      description: template.description,
+      duration: template.duration,
+      ratio: template.ratio,
+      promptTemplate: template.promptTemplate,
+      template,
+    })),
+    ...extraTasks.map(task => ({
+      id: task.templateId,
+      title: task.title,
+      description: task.description || '已回填的合成视频成片',
+      duration: task.duration,
+      ratio: task.ratio,
+      promptTemplate: task.prompt,
+      template: null,
+    })),
+  ];
+  const submittedCount = videoItems.filter(item => byTemplate.has(item.id)).length;
+  const totalCount = Math.max(videoItems.length, 1);
 
   return (
     <section className={`card overflow-hidden ${locked ? 'opacity-60' : ''}`} id="pack-video" aria-disabled={locked}>
@@ -388,9 +411,9 @@ function VideoSection({ videoLoading, primaryImage, locked, session, onGenerateV
           </div>
           <div className="mt-2 flex items-center gap-2">
             <div className="flex-1 h-1 rounded-full bg-white/[0.06] overflow-hidden">
-              <div className="h-full bg-gradient-to-r from-[#e6f578] to-[#8cb478]" style={{ width: `${Math.round((submittedCount / VIDEO_TEMPLATES.length) * 100)}%` }} />
+              <div className="h-full bg-gradient-to-r from-[#e6f578] to-[#8cb478]" style={{ width: `${Math.round((submittedCount / totalCount) * 100)}%` }} />
             </div>
-            <span className="text-[10px] font-mono text-white/35 shrink-0">{submittedCount}/{VIDEO_TEMPLATES.length}</span>
+            <span className="text-[10px] font-mono text-white/35 shrink-0">{submittedCount}/{totalCount}</span>
           </div>
         </div>
         <div className="flex items-center gap-2 shrink-0">
@@ -399,24 +422,40 @@ function VideoSection({ videoLoading, primaryImage, locked, session, onGenerateV
       </div>
 
       <div className="px-4 pb-4 border-t border-white/[0.05] space-y-2 pt-3">
-        {VIDEO_TEMPLATES.map(template => {
-          const isOpen = showPromptId === template.id;
-          const task = byTemplate.get(template.id);
-          const loadingThis = videoLoading === template.id;
+        {videoItems.map(item => {
+          const isOpen = showPromptId === item.id;
+          const task = byTemplate.get(item.id);
+          const loadingThis = videoLoading === item.id;
           return (
-            <div key={template.id} className="grid grid-cols-[72px_minmax(0,1fr)_auto] gap-3 p-3 rounded-[8px] bg-white/[0.025] ring-1 ring-white/[0.05] hover:ring-white/[0.1] transition-all">
+            <div key={item.id} className="grid grid-cols-[72px_minmax(0,1fr)_auto] gap-3 p-3 rounded-[8px] bg-white/[0.025] ring-1 ring-white/[0.05] hover:ring-white/[0.1] transition-all">
               <div className="aspect-square rounded-[8px] bg-gradient-to-br from-[#e6f578]/15 to-[#8cb478]/15 ring-1 ring-[#e6f578]/20 flex flex-col items-center justify-center text-[#e6f578] text-[9px] font-mono gap-1">
-                <svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true">
-                  <path d="M8 5.2v13.6L18.5 12 8 5.2z" />
-                </svg>
-                <span className="text-[8px]">{template.duration}s</span>
+                {task?.videoUrl ? (
+                  <div className="relative h-full w-full overflow-hidden rounded-[8px] bg-black">
+                    <HoverVideoPreview
+                      src={task.videoUrl}
+                      aspectRatio={item.ratio}
+                      className="h-full w-full object-contain"
+                    />
+                    <span className="pointer-events-none absolute bottom-1 left-1 rounded-[6px] bg-black/70 px-1.5 py-0.5 text-[8px] font-semibold text-[#e6f578]">
+                      {item.duration}s
+                    </span>
+                  </div>
+                ) : (
+                  <>
+                    <svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true">
+                      <path d="M8 5.2v13.6L18.5 12 8 5.2z" />
+                    </svg>
+                    <span className="text-[8px]">{item.duration}s</span>
+                  </>
+                )}
               </div>
               <div className="min-w-0 space-y-1">
                 <div className="flex items-center gap-1.5 flex-wrap">
-                  <span className="text-[13px] font-medium text-white">{template.title}</span>
-                  <span className="chip chip-neutral text-[10px] py-0">{template.ratio}</span>
+                  <span className="text-[13px] font-medium text-white">{item.title}</span>
+                  <span className="chip chip-neutral text-[10px] py-0">{item.ratio}</span>
+                  {!item.template && <span className="chip chip-live text-[10px] py-0">回填</span>}
                 </div>
-                <p className="text-[11px] text-white/45 line-clamp-1">{template.description}</p>
+                <p className="text-[11px] text-white/45 line-clamp-1">{item.description}</p>
                 {task && (
                   <div className="mt-2 rounded-lg bg-black/28 p-2 text-[10px] leading-relaxed text-white/48 ring-1 ring-white/[0.06]">
                     <div className="flex flex-wrap items-center gap-2">
@@ -431,7 +470,7 @@ function VideoSection({ videoLoading, primaryImage, locked, session, onGenerateV
                   </div>
                 )}
                 <button
-                  onClick={() => setShowPromptId(isOpen ? null : template.id)}
+                  onClick={() => setShowPromptId(isOpen ? null : item.id)}
                   className="text-[10px] text-white/30 hover:text-[#e6f578] transition-colors flex items-center gap-1"
                 >
                   <svg width="9" height="9" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5">
@@ -441,13 +480,13 @@ function VideoSection({ videoLoading, primaryImage, locked, session, onGenerateV
                 </button>
                 {isOpen && (
                   <pre className="p-2 text-[10px] text-white/60 bg-black/40 rounded-lg ring-1 ring-white/[0.07] font-mono whitespace-pre-wrap break-all max-h-28 overflow-y-auto">
-                    {template.promptTemplate}
+                    {item.promptTemplate}
                   </pre>
                 )}
               </div>
               <button
-                onClick={() => task?.taskId ? onRefreshVideo(task.taskId) : onGenerateVideo(primaryImage, template)}
-                disabled={Boolean(videoLoading) || locked || task?.status === 'succeeded'}
+                onClick={() => task?.taskId ? onRefreshVideo(task.taskId) : item.template ? onGenerateVideo(primaryImage, item.template) : undefined}
+                disabled={Boolean(videoLoading) || locked || task?.status === 'succeeded' || (!item.template && !task?.taskId)}
                 className="self-center btn btn-primary text-[11px] px-3 py-1.5 disabled:opacity-40"
                 title={locked ? '四个图片包完成后解锁视频任务' : undefined}
               >
diff --git a/src/components/ProjectGalleryDrawer.tsx b/src/components/ProjectGalleryDrawer.tsx
index 5c859cf..f4d812b 100644
--- a/src/components/ProjectGalleryDrawer.tsx
+++ b/src/components/ProjectGalleryDrawer.tsx
@@ -19,10 +19,12 @@ type GalleryItem = {
   description?: string;
   status?: string;
   aspectRatio?: string;
+  mediaType?: 'image' | 'video';
+  downloadName?: string;
 };
 
 type GalleryPanel = {
-  mode: 'pack' | 'empty' | 'project';
+  mode: 'pack' | 'empty' | 'project' | 'video';
   kind?: PackKind;
   label: string;
   description: string;
@@ -77,7 +79,26 @@ function galleryForPanel(session: GenSession, activeNav: string): GalleryPanel {
     return { mode: 'empty' as const, label: '文字', description: '文字区块暂无图片素材', total: 0, images: [] as GalleryItem[] };
   }
   if (activeNav === 'pack-video') {
-    return { mode: 'empty' as const, label: '视频', description: '视频区块暂无图片素材', total: 0, images: [] as GalleryItem[] };
+    const videos: GalleryItem[] = (session.videoTasks ?? [])
+      .filter(task => !/_part[12]$/.test(task.templateId))
+      .filter(task => task.videoUrl)
+      .map(task => ({
+        id: task.templateId,
+        url: task.videoUrl!,
+        title: task.title,
+        description: `${task.ratio} · ${task.duration}s · ${task.status}`,
+        status: task.status,
+        aspectRatio: task.ratio,
+        mediaType: 'video' as const,
+        downloadName: `${session.id}_${task.templateId}.mp4`,
+      }));
+    return {
+      mode: 'video' as const,
+      label: '视频',
+      description: '当前项目所有视频成片',
+      total: videos.length,
+      images: videos,
+    };
   }
 
   return {
@@ -150,7 +171,11 @@ export default function ProjectGalleryDrawer({ session, activeNav, onAction }: P
               {gallery.images.map((image, index) => (
                 <div key={image.id} className="gallery-drawer-card">
                   <div className="gallery-drawer-card__image" style={{ aspectRatio: aspectCss(image.aspectRatio) }}>
-                    <img src={image.url} alt={image.title} />
+                    {image.mediaType === 'video' ? (
+                      <video src={image.url} controls muted playsInline preload="metadata" />
+                    ) : (
+                      <img src={image.url} alt={image.title} />
+                    )}
                   </div>
                   <div className="mt-3 min-w-0">
                     <div className="flex min-w-0 items-center gap-2">
@@ -160,6 +185,11 @@ export default function ProjectGalleryDrawer({ session, activeNav, onAction }: P
                     {image.description && (
                       <p className="mt-1 line-clamp-2 text-[10px] leading-relaxed text-white/42">{image.description}</p>
                     )}
+                    {image.mediaType === 'video' && (
+                      <a href={image.url} download={image.downloadName} className="mt-2 inline-flex text-[10px] font-semibold text-[#e6f578] hover:text-white">
+                        下载视频
+                      </a>
+                    )}
                   </div>
                 </div>
               ))}
@@ -175,7 +205,11 @@ export default function ProjectGalleryDrawer({ session, activeNav, onAction }: P
 
   const centerPreview = preview ? (
     <div className="gallery-center-preview" aria-hidden="true">
-      <img src={preview.url} alt="" />
+      {preview.mediaType === 'video' ? (
+        <video src={preview.url} muted autoPlay loop playsInline />
+      ) : (
+        <img src={preview.url} alt="" />
+      )}
     </div>
   ) : null;
 
@@ -231,10 +265,17 @@ export default function ProjectGalleryDrawer({ session, activeNav, onAction }: P
               title={`查看${image.title}`}
               aria-label={`查看${image.title}`}
             >
-              <img src={image.url} alt="" className="h-full w-full object-contain" />
+              {image.mediaType === 'video' ? (
+                <video src={image.url} muted playsInline preload="metadata" className="h-full w-full object-contain" />
+              ) : (
+                <img src={image.url} alt="" className="h-full w-full object-contain" />
+              )}
               <span className="absolute left-1 top-1 rounded-[6px] bg-black/60 px-1.5 py-0.5 text-[9px] font-semibold text-white">
                 {index + 1}
               </span>
+              {image.mediaType === 'video' && (
+                <span className="absolute right-1 top-1 rounded-[6px] bg-black/70 px-1.5 py-0.5 text-[8px] font-semibold text-[#e6f578]">▶</span>
+              )}
               {image.status === 'selected' && (
                 <span className="absolute right-1 top-1 grid h-5 w-5 place-items-center rounded-full bg-[#e6f578] text-[10px] font-bold text-[#081006]">✓</span>
               )}