diff --git a/.memory/worklog.json b/.memory/worklog.json
index 174b06d..42ddcf4 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -2545,6 +2545,13 @@
       "type": "session-heartbeat",
       "message": "Claude 会话活跃 · 最近命令：claude · 1 项未提交变更 · 最近提交：auto-save 2026-05-13 23:17 (~2)",
       "files_changed": 1
+    },
+    {
+      "ts": "2026-05-13T23:24:03+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-13 23:23 (~1)",
+      "hash": "38091d3",
+      "files_changed": 1
     }
   ]
 }
diff --git a/api/main.py b/api/main.py
index 8adc7bf..d6e0451 100644
--- a/api/main.py
+++ b/api/main.py
@@ -850,6 +850,53 @@ def health() -> dict:
     }
 
 
+class JobSummary(BaseModel):
+    id: str
+    url: str
+    status: JobStatus
+    progress: int = 0
+    message: str = ""
+    duration: float = 0.0
+    width: int = 0
+    height: int = 0
+    video_url: str = ""
+    frame_count: int = 0
+    video_count: int = 0
+    thumbnail: str = ""
+    error: str = ""
+    mtime: float = 0.0
+
+
+@app.get("/jobs", response_model=list[JobSummary])
+def list_jobs(limit: int | None = None) -> list[JobSummary]:
+    """所有 job 的精简列表，按磁盘 state.json mtime 倒序（最新优先）。前端无 ?job= 时用它回填历史。"""
+    items: list[JobSummary] = []
+    for job_id, job in JOBS.items():
+        state_path = JOBS_DIR / job_id / "state.json"
+        mtime = state_path.stat().st_mtime if state_path.exists() else 0.0
+        thumb = f"/jobs/{job_id}/frames/{job.frames[0].index}.jpg" if job.frames else ""
+        items.append(JobSummary(
+            id=job.id,
+            url=job.url,
+            status=job.status,
+            progress=job.progress,
+            message=job.message,
+            duration=job.duration,
+            width=job.width,
+            height=job.height,
+            video_url=job.video_url,
+            frame_count=len(job.frames),
+            video_count=len(job.generated_videos),
+            thumbnail=thumb,
+            error=job.error,
+            mtime=mtime,
+        ))
+    items.sort(key=lambda s: s.mtime, reverse=True)
+    if limit is not None and limit > 0:
+        items = items[:limit]
+    return items
+
+
 @app.post("/jobs", response_model=Job)
 async def create_job(req: CreateJobReq, bg: BackgroundTasks) -> Job:
     if not req.url.strip():
diff --git a/docs/source-analysis.html b/docs/source-analysis.html
index b3d842a..2ccc55a 100644
--- a/docs/source-analysis.html
+++ b/docs/source-analysis.html
@@ -706,6 +706,7 @@ api/main.py
             <tr><th>功能</th><th>接口</th><th>前端调用</th><th>说明</th></tr>
           </thead>
           <tbody>
+            <tr><td>历史列表</td><td><code>GET /jobs</code></td><td><code>listJobs</code></td><td>所有 job 精简列表（id/url/status/thumbnail/mtime…），按 state.json mtime 倒序。前端 URL 无 <code>?job=</code> 时拉它回填全部历史；带 <code>limit</code> 可截断。</td></tr>
             <tr><td>创建任务</td><td><code>POST /jobs</code></td><td><code>createJob</code></td><td>提交 TK 链接，后台开始下载，停在 downloaded 等用户点解析。</td></tr>
             <tr><td>上传视频</td><td><code>POST /jobs/upload</code></td><td><code>uploadJob</code></td><td>保存 source.mp4，然后同样进入下载完成状态。</td></tr>
             <tr><td>解析视频</td><td><code>POST /jobs/{id}/analyze</code></td><td><code>analyzeJob</code></td><td>拆轨 + 抽关键帧。当前不自动跑 ASR，避免 audio 阻塞视觉管线。</td></tr>
@@ -830,6 +831,18 @@ 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 · 打开应用自动恢复历史 job</h3>
+              <span class="tag blue">API</span>
+              <span class="tag violet">Page</span>
+            </header>
+            <div class="body">
+              <p><strong>问题：</strong>前端只从 URL <code>?job=</code> 读 job 列表，没有任何本地或后端列表回填，打开 <code>/</code> 不带参数就是空白，之前跑过的 job 看不见。</p>
+              <p><strong>改动：</strong>后端新增 <code>GET /jobs</code> 列表接口（返回 <code>JobSummary</code>：id/url/status/progress/duration/width/height/video_url/frame_count/video_count/thumbnail/error/mtime，按 state.json mtime 倒序，可带 <code>limit</code>）。前端 <code>page.tsx</code> 启动逻辑：URL 有 <code>?job=</code> 时尊重 URL；没有时自动调 <code>listJobs()</code> 拿全部历史，反转后让最新 job 落在末尾（active）。持久化基于 <code>api/jobs/&lt;id&gt;/state.json</code> 磁盘文件，不依赖浏览器存储，换浏览器/清缓存都不会傻。</p>
+              <p><strong>影响：</strong><code>api/main.py</code>（<code>JobSummary</code> 类型 + <code>list_jobs</code> endpoint）、<code>web/lib/api.ts</code>（<code>JobSummary</code> + <code>listJobs</code>）、<code>web/app/page.tsx</code>（启动 useEffect）。</p>
+            </div>
+          </article>
           <article class="change">
             <header>
               <h3>2026-05-13 · 允许骨骼人使用按摩仪后状态变好</h3>
diff --git a/web/app/page.tsx b/web/app/page.tsx
index dd1a762..b82b368 100644
--- a/web/app/page.tsx
+++ b/web/app/page.tsx
@@ -16,7 +16,7 @@ import { ThemeToggle } from "@/components/theme-toggle"
 import { StoryboardBar } from "@/components/storyboard-bar"
 import { StoryboardWorkbench } from "@/components/storyboard-workbench"
 import {
-  addManualFrame, analyzeJob, createJob, getJob, uploadJob, deleteFrame, deleteGeneratedImage,
+  addManualFrame, analyzeJob, createJob, getJob, listJobs, uploadJob, deleteFrame, deleteGeneratedImage,
   deleteGeneratedVideo, generateStoryboardVideo,
   type Job, type ImageRef, type StoryboardScene,
 } from "@/lib/api"
@@ -321,19 +321,29 @@ export default function Home() {
     }
   }, [job, selectedFrames, setJob])
 
-  // URL ?job=xxx,yyy 自动恢复多个 job
+  // 启动恢复：URL ?job=xxx,yyy 优先；否则从后端拉全部历史（按 mtime 倒序，最新放末尾）
   useEffect(() => {
     const params = new URLSearchParams(window.location.search)
-    const idsStr = params.get("job") ?? ""
-    const ids = idsStr.split(",").filter(Boolean)
-    if (ids.length === 0) return
-    Promise.all(ids.map((id) => getJob(id).catch(() => null))).then((results) => {
+    const ids = (params.get("job") ?? "").split(",").filter(Boolean)
+    const restore = async () => {
+      let targetIds = ids
+      if (targetIds.length === 0) {
+        try {
+          const list = await listJobs()
+          targetIds = list.map((s) => s.id).reverse()
+        } catch {
+          return
+        }
+      }
+      if (targetIds.length === 0) return
+      const results = await Promise.all(targetIds.map((id) => getJob(id).catch(() => null)))
       const valid = results.filter((j): j is Job => !!j)
       if (valid.length > 0) {
         setJobs(valid)
         setActiveJobId(valid[valid.length - 1].id)
       }
-    })
+    }
+    void restore()
   // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [])
 
diff --git a/web/lib/api.ts b/web/lib/api.ts
index 26c1513..8c9b2b8 100644
--- a/web/lib/api.ts
+++ b/web/lib/api.ts
@@ -220,6 +220,30 @@ export async function getJob(id: string): Promise<Job> {
   return res.json()
 }
 
+export interface JobSummary {
+  id: string
+  url: string
+  status: JobStatus
+  progress: number
+  message: string
+  duration: number
+  width: number
+  height: number
+  video_url: string
+  frame_count: number
+  video_count: number
+  thumbnail: string
+  error: string
+  mtime: number
+}
+
+export async function listJobs(limit?: number): Promise<JobSummary[]> {
+  const qs = limit && limit > 0 ? `?limit=${limit}` : ""
+  const res = await fetch(`${API_BASE}/jobs${qs}`)
+  if (!res.ok) throw new Error(`listJobs ${res.status}`)
+  return res.json()
+}
+
 export async function triggerTranscribe(id: string): Promise<Job> {
   const res = await fetch(`${API_BASE}/jobs/${id}/transcribe`, { method: "POST" })
   if (!res.ok) throw new Error(`transcribe ${res.status}`)