backend/apps/generation/views.py

@@ -3022,7 +3022,6 @@ def admin_assets_user_videos(request, user_id):
             'task_id': str(r.task_id),
             'prompt': r.prompt,
             'result_url': r.result_url or '',
-            'thumbnail_url': r.thumbnail_url or '',
             'duration': r.duration,
             'seconds_consumed': r.seconds_consumed,
             'aspect_ratio': r.aspect_ratio,
@@ -3105,7 +3104,6 @@ def team_assets_member_videos(request, member_id):
             'task_id': str(r.task_id),
             'prompt': r.prompt,
             'result_url': r.result_url or '',
-            'thumbnail_url': r.thumbnail_url or '',
             'duration': r.duration,
             'seconds_consumed': r.seconds_consumed,
             'aspect_ratio': r.aspect_ratio,

web/src/index.css

@@ -391,11 +391,9 @@
   --color-info-shadow-soft: rgba(0, 153, 204, 0.20);
   --color-info-shadow-strong: rgba(0, 153, 204, 0.35);
 
-  /* Video 上的悬浮按钮(下载/收藏)— 必须任意视频帧背景下都可读 ⇒
-     沿用行业惯例:深半透底 + 白图标(参考 YouTube/抖音/小红书的视频控件)。
-     v0.20.0 改成 rgba(255,255,255,0.90) 是错的 — 白底 + --color-on-overlay 白 icon = 看不见。 */
-  --color-bg-on-media: rgba(0, 0, 0, 0.55);
-  --color-bg-on-media-hover: rgba(0, 0, 0, 0.72);
+  /* White alpha on dark media — 保留白色徽章语义 */
+  --color-bg-on-media: rgba(255, 255, 255, 0.90);
+  --color-bg-on-media-hover: rgba(255, 255, 255, 1.0);
 
   /* Scrollbar */
   --color-scrollbar-thumb: rgba(0, 0, 0, 0.15);

web/src/pages/AdminAssetsPage.tsx

@@ -21,7 +21,7 @@ function VideoThumbnail({ video, onClick }: { video: AssetVideo; onClick: () =>
       onClick={onClick}
     >
       {video.result_url ? (
-        <video ref={videoRef} src={rewriteTosUrl(video.result_url)} poster={video.thumbnail_url ? rewriteTosUrl(video.thumbnail_url) : undefined} className={styles.thumbVideo} muted loop preload="metadata" />
+        <video ref={videoRef} src={rewriteTosUrl(video.result_url)} className={styles.thumbVideo} muted loop preload="metadata" />
       ) : (
         <div className={styles.thumbPlaceholder} />
       )}

web/src/pages/AssetsPage.tsx

@@ -72,7 +72,6 @@ function VideoThumbnail({
         <video
           ref={videoRef}
           src={rewriteTosUrl(task.resultUrl)}
-          poster={task.thumbnailUrl ? rewriteTosUrl(task.thumbnailUrl) : undefined}
           className={styles.thumbVideo}
           muted
           loop

web/src/pages/TeamAssetsPage.tsx

@@ -21,7 +21,7 @@ function VideoThumbnail({ video, onClick }: { video: AssetVideo; onClick: () =>
       onClick={onClick}
     >
       {video.result_url ? (
-        <video ref={videoRef} src={rewriteTosUrl(video.result_url)} poster={video.thumbnail_url ? rewriteTosUrl(video.thumbnail_url) : undefined} className={styles.thumbVideo} muted loop preload="metadata" />
+        <video ref={videoRef} src={rewriteTosUrl(video.result_url)} className={styles.thumbVideo} muted loop preload="metadata" />
       ) : (
         <div className={styles.thumbPlaceholder} />
       )}

web/src/types/index.ts

@@ -414,7 +414,6 @@ export interface AssetVideo {
   task_id: string;
   prompt: string;
   result_url: string;
-  thumbnail_url?: string;
   duration: number;
   seconds_consumed: number;
   cost_amount?: number;