diff --git a/apps/worker/worker_app/tasks/edit_plan_generation.py b/apps/worker/worker_app/tasks/edit_plan_generation.py
index cfef30096..4ca1cd3e0 100755
--- a/apps/worker/worker_app/tasks/edit_plan_generation.py
+++ b/apps/worker/worker_app/tasks/edit_plan_generation.py
@@ -107,6 +107,7 @@ def _mark_plan_failed(plan_repo, plan_id, gen_task_repo, generation_task_id, err
             gen_task.status = "failed"
             gen_task.error_message = error_msg
             gen_task.completed_at = datetime.now(timezone.utc)
+            gen_task.append_log("render_failed", error_msg, level="ERROR")
             gen_task_repo.update(gen_task)
 
 
@@ -172,8 +173,13 @@ def _finalize_render_success(
         if gen_task:
             gen_task.status = "completed"
             gen_task.progress = 100.0
-            gen_task.result_count = len(rendered_clip_ids)
+            # 剪辑计划是多片段合成1个成片，result_count = 生成视频数量（1），不是片段数
+            gen_task.result_count = 1
             gen_task.completed_at = datetime.now(timezone.utc)
+            gen_task.append_log(
+                "render_complete",
+                f"渲染完成：时长{duration:.1f}s，成功{len(rendered_clip_ids)}片段，失败{len(failed_clip_ids)}片段",
+            )
             gen_task_repo.update(gen_task)
 
     logger.info(
@@ -377,6 +383,7 @@ def render_edit_plan(self, plan_id: str) -> dict:
                 if gen_task:
                     gen_task.status = "running"
                     gen_task.started_at = datetime.now(timezone.utc)
+                    gen_task.append_log("render_start", f"开始渲染，引擎={engine}，片段数={len(clips)}")
                     gen_task_repo.update(gen_task)
 
             # 3. 下载素材并构建 asset_path_map
@@ -441,9 +448,20 @@ def render_edit_plan(self, plan_id: str) -> dict:
                             gen_task.status = "failed"
                             gen_task.error_message = "所有片段素材下载失败"
                             gen_task.completed_at = datetime.now(timezone.utc)
+                            gen_task.append_log("download_failed", "所有片段素材下载失败", level="ERROR")
                             gen_task_repo.update(gen_task)
                     return {"status": "error", "message": "所有片段素材下载失败"}
 
+                # 下载完成，记录日志
+                if generation_task_id:
+                    gen_task = gen_task_repo.get(generation_task_id)
+                    if gen_task:
+                        gen_task.append_log(
+                            "download_done",
+                            f"素材下载完成：成功{len(asset_path_map)}个，失败{len(failed_clip_ids)}个",
+                        )
+                        gen_task_repo.update(gen_task)
+
                 # 4. 根据引擎选择渲染方式
                 if engine == "unified":
                     result = _render_with_unified(