diff --git a/addon/chrome/content/preferences.xhtml b/addon/chrome/content/preferences.xhtml
index c86c032..99b196b 100644
--- a/addon/chrome/content/preferences.xhtml
+++ b/addon/chrome/content/preferences.xhtml
@@ -220,6 +220,11 @@
         preference="extensions.zotero.__addonRef__.Scopus" />
     </hbox>
 
+    <hbox>
+      <checkbox style="width:250px" id="zotero-prefpane-__addonRef__-HX" data-l10n-id="HX"
+        preference="extensions.zotero.__addonRef__.HX" />
+    </hbox>
+
 
     <!--  菜单隐藏设置 -->
     <label>