diff --git a/frontend/src/features/home/model/useGeneratedVideos.ts b/frontend/src/features/home/model/useGeneratedVideos.ts
index b3fdf6f..3ca8c39 100644
--- a/frontend/src/features/home/model/useGeneratedVideos.ts
+++ b/frontend/src/features/home/model/useGeneratedVideos.ts
@@ -12,7 +12,7 @@ interface GeneratedVideo {
 }
 
 interface UseGeneratedVideosOptions {
-
+  storageKey: string;
   selectedVideoId: string | null;
   setSelectedVideoId: React.Dispatch<React.SetStateAction<string | null>>;
   setGeneratedVideo: React.Dispatch<React.SetStateAction<string | null>>;
@@ -20,7 +20,7 @@ interface UseGeneratedVideosOptions {
 }
 
 export const useGeneratedVideos = ({
-
+  storageKey,
   selectedVideoId,
   setSelectedVideoId,
   setGeneratedVideo,
@@ -45,6 +45,8 @@ export const useGeneratedVideos = ({
         if (preferVideoId === "__latest__") {
           setSelectedVideoId(videos[0].id);
           setGeneratedVideo(resolveMediaUrl(videos[0].path));
+          // 写入跨页面共享标记，让另一个页面也能感知最新生成的视频
+          localStorage.setItem(`vigent_${storageKey}_latestGeneratedVideoId`, videos[0].id);
         } else {
           const found = videos.find(v => v.id === preferVideoId);
           if (found) {
diff --git a/frontend/src/features/home/model/useHomeController.ts b/frontend/src/features/home/model/useHomeController.ts
index 03fd455..626a148 100644
--- a/frontend/src/features/home/model/useHomeController.ts
+++ b/frontend/src/features/home/model/useHomeController.ts
@@ -361,7 +361,7 @@ export const useHomeController = () => {
     fetchGeneratedVideos,
     deleteVideo,
   } = useGeneratedVideos({
-
+    storageKey,
     selectedVideoId,
     setSelectedVideoId,
     setGeneratedVideo,
diff --git a/frontend/src/features/home/model/useHomePersistence.ts b/frontend/src/features/home/model/useHomePersistence.ts
index bf59596..9fde59c 100644
--- a/frontend/src/features/home/model/useHomePersistence.ts
+++ b/frontend/src/features/home/model/useHomePersistence.ts
@@ -142,7 +142,8 @@ export const useHomePersistence = ({
     const savedTitleFontSize = localStorage.getItem(`vigent_${storageKey}_titleFontSize`);
     const savedSecondaryTitleFontSize = localStorage.getItem(`vigent_${storageKey}_secondaryTitleFontSize`);
     const savedBgmId = localStorage.getItem(`vigent_${storageKey}_bgmId`);
-    const savedSelectedVideoId = localStorage.getItem(`vigent_${storageKey}_selectedVideoId`);
+    const savedSelectedVideoId = localStorage.getItem(`vigent_${storageKey}_latestGeneratedVideoId`)
+      || localStorage.getItem(`vigent_${storageKey}_selectedVideoId`);
     const savedSelectedAudioId = localStorage.getItem(`vigent_${storageKey}_selectedAudioId`);
     const savedBgmVolume = localStorage.getItem(`vigent_${storageKey}_bgmVolume`);
     const savedEnableBgm = localStorage.getItem(`vigent_${storageKey}_enableBgm`);
@@ -205,6 +206,8 @@ export const useHomePersistence = ({
     if (savedBgmVolume) setBgmVolume(parseFloat(savedBgmVolume));
     if (savedEnableBgm !== null) setEnableBgm(savedEnableBgm === 'true');
     if (savedSelectedVideoId) setSelectedVideoId(savedSelectedVideoId);
+    // 消费后清除跨页面共享标记，避免反复覆盖
+    localStorage.removeItem(`vigent_${storageKey}_latestGeneratedVideoId`);
     if (savedSelectedAudioId) setSelectedAudioId(savedSelectedAudioId);
 
     if (savedTitleTopMargin) {
diff --git a/frontend/src/features/publish/model/usePublishController.ts b/frontend/src/features/publish/model/usePublishController.ts
index f6b10ab..5cb8ded 100644
--- a/frontend/src/features/publish/model/usePublishController.ts
+++ b/frontend/src/features/publish/model/usePublishController.ts
@@ -83,6 +83,8 @@ export const usePublishController = () => {
       setVideos(nextVideos);
       if (nextVideos.length > 0 && autoSelectLatest) {
         setSelectedVideo(nextVideos[0].id);
+        // 写入跨页面共享标记，让首页也能感知最新生成的视频
+        localStorage.setItem(`vigent_${getStorageKey()}_latestGeneratedVideoId`, nextVideos[0].id);
       }
       updatePrefetch({ videos: nextVideos });
     } catch (error) {
@@ -109,16 +111,23 @@ export const usePublishController = () => {
 
   // ---- 视频选择恢复（唯一一个 effect，条件极简） ----
   // 等 auth 完成 + videos 有数据 → 恢复一次，之后再也不跑
+  // 优先检查跨页面共享标记（最新生成的视频），其次恢复上次选择
   useEffect(() => {
     if (isAuthLoading || videos.length === 0 || videoRestoredRef.current) return;
     videoRestoredRef.current = true;
 
     const key = getStorageKey();
-    const saved = localStorage.getItem(`vigent_${key}_publish_selected_video`);
-    if (saved && videos.some(v => v.id === saved)) {
-      setSelectedVideo(saved);
+    const latestId = localStorage.getItem(`vigent_${key}_latestGeneratedVideoId`);
+    if (latestId && videos.some(v => v.id === latestId)) {
+      setSelectedVideo(latestId);
+      localStorage.removeItem(`vigent_${key}_latestGeneratedVideoId`);
     } else {
-      setSelectedVideo(videos[0].id);
+      const saved = localStorage.getItem(`vigent_${key}_publish_selected_video`);
+      if (saved && videos.some(v => v.id === saved)) {
+        setSelectedVideo(saved);
+      } else {
+        setSelectedVideo(videos[0].id);
+      }
     }
   }, [isAuthLoading, videos, getStorageKey]);