diff --git a/.memory/worklog.json b/.memory/worklog.json
index 65cc215..8a10f0b 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -2162,6 +2162,19 @@
       "message": "auto-save 2026-05-13 18:57 (+1, ~3)",
       "hash": "aec7fda",
       "files_changed": 4
+    },
+    {
+      "ts": "2026-05-13T19:06:46+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-13 19:06 (~3)",
+      "hash": "6fb00da",
+      "files_changed": 3
+    },
+    {
+      "ts": "2026-05-13T11:09:29Z",
+      "type": "session-heartbeat",
+      "message": "Codex 会话活跃 · 最近命令：codex · 1 项未提交变更 · 最近提交：auto-save 2026-05-13 19:06 (~3)",
+      "files_changed": 1
     }
   ]
 }
diff --git a/docs/source-analysis.html b/docs/source-analysis.html
index 8ceef2f..575283a 100644
--- a/docs/source-analysis.html
+++ b/docs/source-analysis.html
@@ -830,6 +830,17 @@ api/main.py
         <h2>变更记录</h2>
         <p>这个记录不是 git log 的替代品。它记录“产品理解发生了什么变化、影响了哪些源码、你以后描述需求时该怎么说”。后续每次改功能都要补一条。</p>
         <div class="changelog">
+          <article class="change">
+            <header>
+              <h3>2026-05-13 · 元素改造 hover 预览简化为原帧预览</h3>
+              <span class="tag violet">StoryboardNode</span>
+            </header>
+            <div class="body">
+              <p><strong>问题：</strong>元素改造节点的 hover 预览虽然已改为节点内显示，但仍比关键帧节点复杂，多了“来源原帧 / 提取元素”两栏和元素名称，信息过载。</p>
+              <p><strong>改动：</strong>改成和镜头拆解关键帧一致的简单预览：只显示来源原帧，底部显示分镜编号和时间。</p>
+              <p><strong>影响：</strong><code>web/components/nodes/index.tsx</code>；元素改造板块 hover 现在更轻，不干扰当前判断。</p>
+            </div>
+          </article>
           <article class="change">
             <header>
               <h3>2026-05-13 · 元素改造 hover 预览改为节点内效果</h3>
@@ -837,7 +848,7 @@ api/main.py
             </header>
             <div class="body">
               <p><strong>问题：</strong>上一版把元素预览用 <code>createPortal</code> 挂到 <code>body</code>，DevTools 里会出现额外 fixed 层，交互形态和关键帧节点不一致。</p>
-              <p><strong>改动：</strong>改成和镜头拆解关键帧一致的节点内 <code>group-hover</code> 预览：hover 时在元素缩略图上方展示来源原帧 + 提取元素，不再向 <code>body</code> 插入预览层。</p>
+              <p><strong>改动：</strong>改成节点内 <code>group-hover</code> 预览，不再向 <code>body</code> 插入预览层。后续又简化为只展示来源原帧，见上方最新记录。</p>
               <p><strong>影响：</strong><code>web/components/nodes/index.tsx</code>；元素改造板块的 DOM 和交互效果更接近关键帧缩略图。</p>
             </div>
           </article>
diff --git a/web/components/nodes/index.tsx b/web/components/nodes/index.tsx
index 11af45f..5ede098 100644
--- a/web/components/nodes/index.tsx
+++ b/web/components/nodes/index.tsx
@@ -682,9 +682,9 @@ export function StoryboardNode({ data, selected }: any) {
                     📋
                   </button>
                 )}
-                {/* hover 预览 — 跟关键帧节点一样留在 ReactFlow 节点内部，不向 body 挂 fixed portal */}
+                {/* hover 预览 — 和关键帧节点保持一致：只看来源原帧，不额外展示元素面板 */}
                 <div
-                  className="pointer-events-none absolute opacity-0 group-hover:opacity-100 scale-95 group-hover:scale-100 transition-all duration-150 z-[90]"
+                  className="pointer-events-none absolute opacity-0 group-hover:opacity-100 scale-95 group-hover:scale-100 transition-all duration-150 z-[60]"
                   style={{
                     bottom: "calc(100% + 10px)",
                     left: "50%",
@@ -692,24 +692,13 @@ export function StoryboardNode({ data, selected }: any) {
                     transformOrigin: "bottom center",
                   }}
                 >
-                  <div className="overflow-hidden rounded-lg border-2 border-violet-300/60 bg-black shadow-2xl" style={{ width: 340 }}>
-                    <div className="grid grid-cols-[1fr_104px] gap-0">
-                      <div className="bg-black">
-                        <div className="px-2 py-1 text-[10px] text-white/65">来源原帧</div>
-                        <div style={{ aspectRatio: aspect }}>
-                          <img src={p.frameSrc} alt="" className="h-full w-full object-cover" />
-                        </div>
-                      </div>
-                      <div className="border-l border-white/10 bg-white">
-                        <div className="bg-black px-2 py-1 text-[10px] text-white/65">提取元素</div>
-                        <div className="flex h-[calc(100%-22px)] items-center justify-center p-2">
-                          <img src={p.src} alt="" className="max-h-full max-w-full object-contain" />
-                        </div>
-                      </div>
+                  <div className="rounded-lg overflow-hidden border-2 border-violet-300/60 bg-black shadow-2xl" style={{ width: 280 }}>
+                    <div style={{ aspectRatio: aspect }}>
+                      <img src={p.frameSrc} alt="" className="w-full h-full object-cover" />
                     </div>
-                    <div className="flex items-center justify-between gap-2 bg-black/90 px-2 py-1.5 text-[10.5px] text-white">
-                      <span className="truncate">{p.name}</span>
-                      <span className="shrink-0 font-mono text-white/55">分镜 {p.frameIdx + 1} · {p.timestamp.toFixed(2)}s</span>
+                    <div className="px-2 py-1 bg-black/80 text-white text-[10.5px] flex items-center justify-between">
+                      <span>分镜 {p.frameIdx + 1}</span>
+                      <span className="shrink-0 font-mono text-white/55">{p.timestamp.toFixed(2)}s</span>
                     </div>
                   </div>
                 </div>