diff --git a/components/work-review/WorkReviewReviewerWorkspace.tsx b/components/work-review/WorkReviewReviewerWorkspace.tsx
index 5c07b77..e0d0629 100644
--- a/components/work-review/WorkReviewReviewerWorkspace.tsx
+++ b/components/work-review/WorkReviewReviewerWorkspace.tsx
@@ -374,10 +374,9 @@ export function WorkReviewReviewerWorkspace({
     setShowAnnotationComments(true)
     setActiveMobilePane(0)
     setError(null)
-    const frame = window.requestAnimationFrame(() => {
-      scrollPaneTo(mobileScrollerRef.current, 0, 'auto')
-    })
-    return () => window.cancelAnimationFrame(frame)
+    // 版本切换后的复位必须在本次 effect 内完成。若延迟到下一帧，用户在首帧内
+    // 点击“参考图”后，旧的初始化回调会把滚动位置再次拉回“作品图”。
+    scrollPaneTo(mobileScrollerRef.current, 0, 'auto')
   }, [selectedVersion?.id, workImageCount])
 
   useEffect(() => {