diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index f385c32..2e10cdd 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -3057,6 +3057,11 @@ $(document).ready(function () {
     fixSortLinkA11y();
     fixSearchInputA11y();
   }, 500);
+});
+$(document).ready(function () {
+    setTimeout(function () {
+      $('.dtr-control').removeAttr('tabindex');
+    }, 500);
 });
   // 執行 member等高計算，目前改用flexbox故mark掉 by ika 20160105
   // $(window).load(function() {