fix: initialize _cover_session before try to prevent UnboundLocalError

2026-08-14 21:10:41 +08:00
parent d5064d8c8f
commit 5db6ed879a
1 changed files with 3 additions and 1 deletions
@@ -1555,6 +1555,7 @@ def generate_video(self, task_id: str) -> dict:

            # 持久化封面 URL 到 GenerationTask（统一封面管道：从渲染后视频抽帧）
            if cover_url:
+                _cover_session = None
                try:
                    _cover_session = SessionLocal()
                    try:
@@ -1572,7 +1573,8 @@ def generate_video(self, task_id: str) -> dict:
                                cover_url[:80],
                            )
                    finally:
-                        _cover_session.close()
+                        if _cover_session:
+                            _cover_session.close()
                except Exception as cover_err:
                    logger.warning(
                        "[task_id=%s] 封面URL持久化失败（不影响主流程）: %s",