diff --git a/tauri-app/src/pages/VideoGeneration/index.tsx b/tauri-app/src/pages/VideoGeneration/index.tsx
index 98d188e..6af91fc 100644
--- a/tauri-app/src/pages/VideoGeneration/index.tsx
+++ b/tauri-app/src/pages/VideoGeneration/index.tsx
@@ -323,8 +323,16 @@ export default function VideoGeneration() {
   // 处理素材匹配（单个镜头触发匹配）
   const handleMatchMaterial = async (shotId: string) => {
     const result = await matchSingleMaterial(shotId);
-    if (result && Number(shotId) === activeScene) {
+    if (!result) {
+      return;
+    }
+    if (Number(shotId) === activeScene) {
+      // 当前镜头已激活，直接播放
       setPreviewVideoUrl(result.url);
+    } else {
+      // 切换到该镜头，useEffect 会自动加载预览
+      setActiveScene(Number(shotId));
+      setIsComposedPreview(false);
     }
   };