diff --git a/apps/web/src/pages/generate/hooks/useStep3Preview.ts b/apps/web/src/pages/generate/hooks/useStep3Preview.ts
index 5c9a942c0..aa8274d65 100644
--- a/apps/web/src/pages/generate/hooks/useStep3Preview.ts
+++ b/apps/web/src/pages/generate/hooks/useStep3Preview.ts
@@ -34,6 +34,8 @@ export interface PreviewResult {
   progress: number
 }
 
+// 轮询超时时间（10 分钟）
+const POLL_TIMEOUT_MS = 10 * 60 * 1000
 export function useStep3Preview({
   templates,
   selectedTemplate,
@@ -68,9 +70,6 @@ export function useStep3Preview({
   const pollTimerRef = useRef<ReturnType<typeof setTimeout>>()
   const startTimeRef = useRef<number>(0)
 
-  // 轮询超时时间（10 分钟）
-  const POLL_TIMEOUT_MS = 10 * 60 * 1000
-
   const clearPollTimer = useCallback(() => {
     if (pollTimerRef.current) {
       clearTimeout(pollTimerRef.current)