diff --git a/.memory/worklog.json b/.memory/worklog.json
index b4c9526..b82ccca 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -433,6 +433,13 @@
       "message": "auto-save 2026-05-12 22:59 (~1)",
       "hash": "586f399",
       "files_changed": 1
+    },
+    {
+      "ts": "2026-05-12T23:05:23+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-12 23:05 (~1)",
+      "hash": "020dfc9",
+      "files_changed": 1
     }
   ]
 }
diff --git a/web/components/nodes/index.tsx b/web/components/nodes/index.tsx
index 2a125eb..82400a7 100644
--- a/web/components/nodes/index.tsx
+++ b/web/components/nodes/index.tsx
@@ -354,11 +354,16 @@ 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 aspect-video ${
+                className={`group relative rounded-md border transition shadow-lg hover:-translate-y-0.5 ${
                   isSel
                     ? "border-emerald-400 ring-2 ring-emerald-400/60"
                     : "border-white/30 dark:border-white/20"
                 }`}
+                style={{
+                  aspectRatio: d.job && d.job.height > 0
+                    ? `${d.job.width}/${d.job.height}`
+                    : "16/9",
+                }}
               >
                 <img
                   src={frameUrl(jobId, f.index)}