diff --git a/SrcJyAlist.js b/SrcJyAlist.js
index 38145d99..8094d82b 100644
--- a/SrcJyAlist.js
+++ b/SrcJyAlist.js
@@ -975,7 +975,7 @@ function getAliUrl(share_id, file_id, alitoken) {
             let playUrl;
             if(url.includes(".ts")){
               let expires = url.split('x-oss-expires=')[1].split('&')[0];
-              if(Date.now()>new Date(expires)){
+              if(Date.now()>new Date(expires-30)){
                 log('过期更新')
                 return geturl();
               }else{