diff --git a/.memory/worklog.json b/.memory/worklog.json
index c690a9c..e600be4 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -2076,6 +2076,19 @@
       "message": "auto-save 2026-05-13 18:13 (~1)",
       "hash": "40cf8b0",
       "files_changed": 1
+    },
+    {
+      "ts": "2026-05-13T18:18:55+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-13 18:18 (~5)",
+      "hash": "2226198",
+      "files_changed": 5
+    },
+    {
+      "ts": "2026-05-13T10:19:28Z",
+      "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 18:18 (~5)",
+      "files_changed": 1
     }
   ]
 }
diff --git a/api/main.py b/api/main.py
index 42343e2..e1ee66f 100644
--- a/api/main.py
+++ b/api/main.py
@@ -1209,6 +1209,12 @@ class AddElementReq(BaseModel):
     region: dict | None = None
 
 
+class UpdateElementReq(BaseModel):
+    name_zh: str | None = None
+    name_en: str | None = None
+    position: str | None = None
+
+
 @app.post("/jobs/{job_id}/frames/{idx}/elements", response_model=Job)
 def add_element(job_id: str, idx: int, req: AddElementReq) -> Job:
     """加一条元素 · 若 name_en 缺则自动 zh→en 翻译"""
@@ -1265,6 +1271,37 @@ def add_element(job_id: str, idx: int, req: AddElementReq) -> Job:
     return job
 
 
+@app.patch("/jobs/{job_id}/frames/{idx}/elements/{element_id}", response_model=Job)
+def update_element(job_id: str, idx: int, element_id: str, req: UpdateElementReq) -> Job:
+    """更新元素标签 / 英文提示。提取不准时允许用户修正，不强制重建元素。"""
+    job = JOBS.get(job_id)
+    if not job:
+        raise HTTPException(404, "job not found")
+    changed_name = ""
+    found = False
+    new_frames = []
+    for f in job.frames:
+        if f.index == idx:
+            for e in f.elements:
+                if e.id == element_id:
+                    found = True
+                    if req.name_zh is not None:
+                        name_zh = req.name_zh.strip()
+                        if not name_zh:
+                            raise HTTPException(400, "name_zh required")
+                        e.name_zh = name_zh
+                        changed_name = name_zh
+                    if req.name_en is not None:
+                        e.name_en = req.name_en.strip()
+                    if req.position is not None:
+                        e.position = req.position.strip()
+        new_frames.append(f)
+    if not found:
+        raise HTTPException(404, "element not found")
+    update(job, frames=new_frames, message=f"更新元素 · 分镜 {idx + 1} · {changed_name or element_id}")
+    return job
+
+
 @app.delete("/jobs/{job_id}/frames/{idx}/elements/{element_id}", response_model=Job)
 def delete_element(job_id: str, idx: int, element_id: str) -> Job:
     job = JOBS.get(job_id)
diff --git a/web/lib/api.ts b/web/lib/api.ts
index 31faf5b..b4fa832 100644
--- a/web/lib/api.ts
+++ b/web/lib/api.ts
@@ -407,6 +407,24 @@ export async function deleteElement(jobId: string, frameIdx: number, elementId:
   return res.json()
 }
 
+export async function updateElement(
+  jobId: string,
+  frameIdx: number,
+  elementId: string,
+  body: { name_zh?: string; name_en?: string; position?: string },
+): Promise<Job> {
+  const res = await fetch(`${API_BASE}/jobs/${jobId}/frames/${frameIdx}/elements/${elementId}`, {
+    method: "PATCH",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(body),
+  })
+  if (!res.ok) {
+    const txt = await res.text().catch(() => "")
+    throw new Error(`updateElement ${res.status} ${txt.slice(0, 300)}`)
+  }
+  return res.json()
+}
+
 export async function deleteFrame(jobId: string, frameIdx: number): Promise<Job> {
   const res = await fetch(`${API_BASE}/jobs/${jobId}/frames/${frameIdx}`, { method: "DELETE" })
   if (!res.ok) {