diff --git a/lib/config.js b/lib/config.js
index f5caf3b5d9..5b875cc0cc 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -144,7 +144,7 @@ const calculateValue = () => {
             bearertoken: envs.INITIUM_BEARER_TOKEN,
         },
         btbyr: {
-            host: envs.BTBYR_HOST || 'https://bt.byr.cn/',
+            host: envs.BTBYR_HOST,
             cookies: envs.BTBYR_COOKIE,
         },
         mastodon: {
diff --git a/lib/routes/universities/bupt/funbox.js b/lib/routes/universities/bupt/funbox.js
index 9057c2b49c..f0facf769d 100644
--- a/lib/routes/universities/bupt/funbox.js
+++ b/lib/routes/universities/bupt/funbox.js
@@ -4,7 +4,7 @@ const cheerio = require('cheerio');
 
 module.exports = async (ctx) => {
     const cookie = config.btbyr.cookies;
-    const url = config.btbyr.host;
+    const url = config.btbyr.host || 'https://bt.byr.cn/';
     const response = await got({
         method: 'get',
         url: url + `log.php?action=funbox`,
@@ -24,6 +24,7 @@ module.exports = async (ctx) => {
                 .find('tr > td.rowfollow')
                 .eq(2)
                 .html()
+                .replace(/https:\/\/bt.byr.cn\//g, url)
                 .replace(/onclick=.*findPosition\(this\)\[1\]-58\);"/g, '')
                 .replace(/.thumb.jpg/g, ''),
             link: url + `log.php?action=funbox`,