diff --git a/packages/domain/generated_video.py b/packages/domain/generated_video.py
index dcef4b437..9d15e8c69 100755
--- a/packages/domain/generated_video.py
+++ b/packages/domain/generated_video.py
@@ -10,7 +10,6 @@ from uuid import uuid4
 class GeneratedVideo:
     id: str
     project_id: str
-    user_id: str
     generation_task_id: str
     name: str
     file_url: str
@@ -19,6 +18,7 @@ class GeneratedVideo:
     width: int
     height: int
     fps: float
+    user_id: str = ""
     thumbnail_url: str | None = None
     status: str = "completed"
     review_status: str = "pending_review"
@@ -33,11 +33,11 @@ class GeneratedVideo:
     def create(
         cls,
         project_id: str,
-        user_id: str,
         generation_task_id: str,
         name: str,
         file_url: str,
         *,
+        user_id: str = "",
         file_size: int = 0,
         duration: float = 0.0,
         width: int = 0,