diff --git a/apps/worker/video_processing/gpu_direct_pipeline.py b/apps/worker/video_processing/gpu_direct_pipeline.py
index 6f774da5e..051d63705 100644
--- a/apps/worker/video_processing/gpu_direct_pipeline.py
+++ b/apps/worker/video_processing/gpu_direct_pipeline.py
@@ -156,7 +156,7 @@ def build_direct_render(
 
     # 1. 视频输入（原始素材签名 URL）
     for i, clip in enumerate(resolved_clips):
-        sk = getattr(clip, "_storage_key", None)
+        sk = (getattr(clip, "config", None) or {}).get("_storage_key")
         if not sk:
             raise ValueError(f"clip {getattr(clip, 'clip_id', i)} missing _storage_key")
         fname = f"v{i}.mp4"
diff --git a/apps/worker/video_processing/render_adapter.py b/apps/worker/video_processing/render_adapter.py
index 2c11ee7ee..7007cd2a4 100755
--- a/apps/worker/video_processing/render_adapter.py
+++ b/apps/worker/video_processing/render_adapter.py
@@ -599,7 +599,10 @@ class RenderAdapter:
         for c in clips:
             sk = _storage_map.get(getattr(c, "asset_id", ""))
             if sk:
-                c._storage_key = sk
+                # EditPlanClip 使用 __slots__，不能 setattr，改存 config 字典
+                if not isinstance(c.config, dict):
+                    c.config = dict(c.config) if c.config else {}
+                c.config["_storage_key"] = sk
         result = render_svc.render()
 
         # 4.5 渲染后校验输出完整性
diff --git a/apps/worker/video_processing/unified_render_service.py b/apps/worker/video_processing/unified_render_service.py
index f052ee053..35c816fe2 100755
--- a/apps/worker/video_processing/unified_render_service.py
+++ b/apps/worker/video_processing/unified_render_service.py
@@ -2247,7 +2247,7 @@ class UnifiedRenderService:
                 cg = ColorGradeConfig.from_dict(cc.get("color_grade"))
                 if cg.enabled and cg.has_effect():
                     return False
-                if not getattr(c, "_storage_key", None):
+                if not (c.config or {}).get("_storage_key"):
                     return False
             return True
         except Exception:  # noqa: BLE001