diff --git a/components/pages/work-flow/use-workflow-data.tsx b/components/pages/work-flow/use-workflow-data.tsx
index c467aa3..e132f79 100644
--- a/components/pages/work-flow/use-workflow-data.tsx
+++ b/components/pages/work-flow/use-workflow-data.tsx
@@ -325,7 +325,7 @@ export function useWorkflowData({}: UseWorkflowDataProps = {}) {
           if (task.task_status === 'COMPLETED') {
             taskCurrent.currentStage = 'final_video';
             const videoUrl = task.task_result.video_url;
-            taskCurrent.final.url = typeof videoUrl === 'object'
+            taskCurrent.final.url = (videoUrl && typeof videoUrl === 'object')
                 ? videoUrl.result?.watermarked_url
                 : videoUrl;
             taskCurrent.final.note = 'watermark';