diff --git a/docs/bbs.md b/docs/bbs.md
index f927bd8f6e..48a4ba6929 100644
--- a/docs/bbs.md
+++ b/docs/bbs.md
@@ -248,11 +248,11 @@ pageClass: routes
 
 ### 子论坛
 
-<Route author="nczitzk" example="/guanggoo/index" path="/guanggoo/:caty" :paramsDesc="['子论坛']">
+<Route author="nczitzk" example="/guanggoo/index" path="/guanggoo/:category?" :paramsDesc="['子论坛，默认为首页']">
 
-| 首页  | 你问我答 | 同城活动 | IT 技术 | 金融财经 | 创业创客 | 城市建设 |
-| ----- | -------- | -------- | ------- | -------- | -------- | -------- |
-| index | qna      | lowshine | it      | finance  | startup  | city     |
+| 首页 | 你问我答 | 同城活动 | IT 技术 | 金融财经 | 创业创客 | 城市建设 |
+| ---- | -------- | -------- | ------- | -------- | -------- | -------- |
+|      | qna      | lowshine | it      | finance  | startup  | city     |
 
 </Route>
 
diff --git a/lib/router.js b/lib/router.js
index 42b0dcf697..9104088b82 100644
--- a/lib/router.js
+++ b/lib/router.js
@@ -3145,7 +3145,7 @@ router.get('/gelonghui/subject/:id', require('./routes/gelonghui/subject'));
 router.get('/gelonghui/keyword/:keyword', require('./routes/gelonghui/keyword'));
 
 // 光谷社区
-router.get('/guanggoo/:caty', require('./routes/guanggoo/index'));
+router.get('/guanggoo/:category?', require('./routes/guanggoo/index'));
 
 // 万维读者
 router.get('/creaders/headline', require('./routes/creaders/headline'));
diff --git a/lib/routes/guanggoo/index.js b/lib/routes/guanggoo/index.js
index faaf9d7034..70cc605bd5 100644
--- a/lib/routes/guanggoo/index.js
+++ b/lib/routes/guanggoo/index.js
@@ -36,7 +36,9 @@ const config = {
 };
 
 module.exports = async (ctx) => {
-    const cfg = config[ctx.params.caty];
+    const category = ctx.params.category || 'index';
+
+    const cfg = config[category];
     if (!cfg) {
         throw Error('Bad category. See <a href="https://docs.rsshub.app/bbs.html#guang-gu-she-qu-zi-lun-tan">docs</a>');
     }
@@ -54,7 +56,7 @@ module.exports = async (ctx) => {
             item = $(item);
             return {
                 title: item.text(),
-                link: url.resolve(rootUrl, item.attr('href')),
+                link: url.resolve(rootUrl, item.attr('href').split('#')[0]),
             };
         })
         .get();