diff --git a/lib/routes/mp4ba/index.js b/lib/routes/mp4ba/index.js
index 5fd4f3680..25fe82067 100644
--- a/lib/routes/mp4ba/index.js
+++ b/lib/routes/mp4ba/index.js
@@ -73,7 +73,7 @@ async function buildRss($, paramType, ctx) {
                     const { cache } = ctx;
                     const title = $a.text().replace('.Mp4Ba', '');
                     const link = pageUrl;
-                    const guid = pageUrl.match(/\d+/);
+                    const guid = pageUrl.match(/id-(\d+?).html/);
                     let description = null;
                     const enclosure_type = 'application/x-bittorrent';
                     let $magnet = null;