From 9417e7b467a3bb272592dbca41bf2d75be711d15 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E6=80=9D=E6=B5=B7?= <1464576565@qq.com>
Date: Mon, 9 Feb 2026 13:33:29 +0800
Subject: [PATCH] fix

---
 backend/routes/videos.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/routes/videos.js b/backend/routes/videos.js
index d230a81..e69cb02 100644
--- a/backend/routes/videos.js
+++ b/backend/routes/videos.js
@@ -64,7 +64,7 @@ async function getVideoCoverFromVod(fileId) {
 // 生成VOD防盗链签名URL
 // 根据腾讯云文档：https://cloud.tencent.com/document/product/266/14047
 // 签名算法：sign = MD5(KEY + Dir + t + us)
-function generateSignedUrl(videoUrl, signKey, expirationTime = 3600) {
+function generateSignedUrl(videoUrl, signKey, expirationTime = 86400) {
   if (!signKey || !videoUrl) {
     return videoUrl;
   }