diff --git a/apps/web/src/pages/generate/hooks/useSegmentScheduler.ts b/apps/web/src/pages/generate/hooks/useSegmentScheduler.ts
index 1d5455b38..856d74fc1 100644
--- a/apps/web/src/pages/generate/hooks/useSegmentScheduler.ts
+++ b/apps/web/src/pages/generate/hooks/useSegmentScheduler.ts
@@ -44,7 +44,7 @@ export interface SegmentSchedulerState {
   /** 跳转到全局时间 */
   seekTo: (time: number) => void
   /** 绑定到 <video> 元素 */
-  videoRef: React.RefObject<HTMLVideoElement | null>
+  videoRef: React.RefObject<HTMLVideoElement>
 }
 
 /**