diff --git a/src/forums/ForumsDetail.jsx b/src/forums/ForumsDetail.jsx
index 41ae15638..6c955c26d 100644
--- a/src/forums/ForumsDetail.jsx
+++ b/src/forums/ForumsDetail.jsx
@@ -43,8 +43,13 @@ function memo_show(props) {
   useEffect(() => {
     init();
     related_memos();
+    return componentWillUnmount
   }, [memo_id]);
 
+  function componentWillUnmount() {
+    document.title = '论坛交流'
+  }
+
   async function init() {
     setSpinType(true);
     let url = `/memos/${memo_id}.json`;
@@ -69,6 +74,7 @@ function memo_show(props) {
           setRecentmemos(result.data.recent_memos);
           setIsBanned(result.data.is_banned);
           getMemoUser(result.data.author_info);
+          document.title = `${result.data.memo.subject}/${result.data.memo.forum_tag && result.data.memo.forum_tag.title}`
         }
         setSpinType(false);
       })