处理大文件视频上传，偶发性截图截取不到问题2

src/views/course/videoResource/index.vue

@@ -1076,7 +1076,7 @@ export default {
         video.onloadedmetadata = async () => {
           try {
             // 计算截取时长
-            const duration = Math.min(1, video.duration);
+            const duration = Math.min(2, video.duration);
 
             // 直接从视频元素捕获流
             const stream = video.captureStream();