diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index 7979b97..10d1277 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -1030,7 +1030,8 @@ $(function() {
                                 currentTitle.includes('Open in new window') ||
                                 currentTitle.includes('/uploads/');
 
-            if (currentTitle.startsWith('/') || currentTitle.includes('?')) {
+            // 修正後：只有在沒有原始 title 時才清空
+            if (!hasOriginalTitle && (currentTitle.startsWith('/') || currentTitle.includes('?'))) {
                 currentTitle = "";
             }