diff --git a/lib/routes/firefox/addons.js b/lib/routes/firefox/addons.js
index 15cf355b02..e5756e11b2 100644
--- a/lib/routes/firefox/addons.js
+++ b/lib/routes/firefox/addons.js
@@ -24,7 +24,7 @@ module.exports = async (ctx) => {
                     title: version,
                     description: versionInfo.releaseNotes || '',
                     link: `https://addons.mozilla.org/zh-CN/firefox/addon/${id}/versions/`,
-                    pubDate: new Date(versionInfo.platformFiles.all.created).toUTCString(),
+                    pubDate: new Date(versionInfo.file.created),
                     guid: version,
                     author: info.authors.map((author) => author.name).join(', '),
                 };