diff --git a/tauri-app/src/pages/VideoGeneration/hooks/useVideoGeneration.ts b/tauri-app/src/pages/VideoGeneration/hooks/useVideoGeneration.ts
index 301d988..5cfec90 100644
--- a/tauri-app/src/pages/VideoGeneration/hooks/useVideoGeneration.ts
+++ b/tauri-app/src/pages/VideoGeneration/hooks/useVideoGeneration.ts
@@ -378,7 +378,14 @@ export function useVideoGeneration({
           };
         });
       }
-      const actualVideoPoints = Math.ceil(totalAudioDuration) * videoMultiplier;
+      const baseVideoPoints = Math.ceil(totalAudioDuration) * videoMultiplier;
+      // 系统素材额外收费：每个空镜使用的系统素材额外 2 积分
+      const systemMaterialCount = shots.filter((s: ScriptShot) => {
+        if (s.type !== 'empty_shot') return false;
+        const matched = materialMatchMap[String(s.id)];
+        return matched && (matched.url.startsWith('http://') || matched.url.startsWith('https://'));
+      }).length;
+      const actualVideoPoints = baseVideoPoints + systemMaterialCount * 2;
       await pointsApi.consumePoints({
         points: actualVideoPoints,
         sourceType: 'video',
diff --git a/tauri-app/src/pages/VideoGeneration/index.tsx b/tauri-app/src/pages/VideoGeneration/index.tsx
index 6af91fc..27ff879 100644
--- a/tauri-app/src/pages/VideoGeneration/index.tsx
+++ b/tauri-app/src/pages/VideoGeneration/index.tsx
@@ -60,23 +60,6 @@ export default function VideoGeneration() {
 
   const dubbingAudioDuration = useProjectStore(state => state.dubbingAudioDuration);
 
-  // 视频生成积分：统一用完整配音音频时长作为唯一口径（与后端预检、实际扣费保持一致）
-  const estimatedVideoPoints = useMemo(() => {
-    // 优先使用已保存的配音音频实际时长，确保预估 = 实际扣费
-    if (dubbingAudioDuration && dubbingAudioDuration > 0) {
-      return Math.ceil(dubbingAudioDuration) * videoMultiplier;
-    }
-    // 降级：按分镜 actualDuration 累加（配音后已更新）
-    const totalDur = shots.reduce((sum, shot) => {
-      if (shot.actualDuration && shot.actualDuration > 0) {
-        return sum + shot.actualDuration;
-      }
-      const durStr = typeof shot.duration === 'string' ? shot.duration : '5s';
-      return sum + parseFloat(durStr.replace(/[^0-9.]/g, '') || '0');
-    }, 0);
-    return Math.ceil(totalDur) * videoMultiplier;
-  }, [shots, videoMultiplier, dubbingAudioDuration]);
-
   const [activeScene, setActiveScene] = useState<number>(1);
 
   // 控制右侧预览区显示完整视频还是镜头素材
@@ -149,6 +132,32 @@ export default function VideoGeneration() {
     setMaterialMatchMap,
   } = useEmptyShotMaterials(shots, projectId);
 
+  // 视频生成积分：统一用完整配音音频时长作为唯一口径（与后端预检、实际扣费保持一致）
+  const estimatedVideoPoints = useMemo(() => {
+    // 优先使用已保存的配音音频实际时长，确保预估 = 实际扣费
+    let basePoints = 0;
+    if (dubbingAudioDuration && dubbingAudioDuration > 0) {
+      basePoints = Math.ceil(dubbingAudioDuration) * videoMultiplier;
+    } else {
+      // 降级：按分镜 actualDuration 累加（配音后已更新）
+      const totalDur = shots.reduce((sum, shot) => {
+        if (shot.actualDuration && shot.actualDuration > 0) {
+          return sum + shot.actualDuration;
+        }
+        const durStr = typeof shot.duration === 'string' ? shot.duration : '5s';
+        return sum + parseFloat(durStr.replace(/[^0-9.]/g, '') || '0');
+      }, 0);
+      basePoints = Math.ceil(totalDur) * videoMultiplier;
+    }
+    // 系统素材额外收费：每个空镜使用的系统素材额外 2 积分
+    const systemMaterialCount = shots.filter((s) => {
+      if (s.type !== 'empty_shot') return false;
+      const matched = materialMatchMap[String(s.id)];
+      return matched && (matched.url.startsWith('http://') || matched.url.startsWith('https://'));
+    }).length;
+    return basePoints + systemMaterialCount * 2;
+  }, [shots, videoMultiplier, dubbingAudioDuration, materialMatchMap]);
+
   // 同步 activeScene 与 shots 数据
   useEffect(() => {
     if (shots.length > 0 && !shots.find((s) => Number(s.id) === activeScene)) {