diff --git a/apps/desktop/src/components/VideoPreviewModal.tsx b/apps/desktop/src/components/VideoPreviewModal.tsx
index 03add95..99d77a7 100644
--- a/apps/desktop/src/components/VideoPreviewModal.tsx
+++ b/apps/desktop/src/components/VideoPreviewModal.tsx
@@ -236,7 +236,6 @@ export const VideoPreviewModal: React.FC<VideoPreviewModalProps> = ({
 
           <video
             ref={videoRef}
-            src={videoUrl}
             className="w-full h-full object-contain"
             onLoadedData={handleVideoLoad}
             onError={handleVideoError}
@@ -244,7 +243,12 @@ export const VideoPreviewModal: React.FC<VideoPreviewModalProps> = ({
             onPlay={handlePlay}
             onPause={handlePause}
             controls={false}
-          />
+          >
+            {videoUrl && (
+              <source src={videoUrl} type="video/mp4" />
+            )}
+            您的浏览器不支持视频播放。
+          </video>
 
           {/* 右上角悬浮按钮组 */}
           {!isLoading && !error && (