diff --git a/app/views/admin/journal_papers/merge.html.erb b/app/views/admin/journal_papers/merge.html.erb
index dbd1a1d..ac5976e 100644
--- a/app/views/admin/journal_papers/merge.html.erb
+++ b/app/views/admin/journal_papers/merge.html.erb
@@ -4,13 +4,26 @@
   <%= stylesheet_link_tag "lib/main-list" %>
   <%= stylesheet_link_tag "lib/main-form-col2" %>
 <% end %>
+<script>
+function change_mode(){
+    var value = $("form[name='mode_form']").find("input[type='checkbox']")[0].checked
+    if (value){
+        $("input[name='mode']").val("strict")
+    }
+    else{
+        $("input[name='mode']").val("simple")
+    }
+    document.mode_form.submit()
+}
+</script>
 <form method="get" action='?' name='mode_form'>
     <nobr>
     <%= '嚴格比較模式'+':' %>
     <% if params['mode']!='simple' %>
-        <input type="checkbox" name="mode" value="simple" onchange='this.form.submit()'><span>是</span>
+        <input type='hidden' name='mode' value=''>
+        <input type="checkbox" onchange='change_mode()' checked><span>是</span>
     <% else %>
-        <input type="checkbox" name="mode" value="strict" onchange='this.form.submit()'><span>否</span>
+        <input type="checkbox" onchange='change_mode()'><span>否</span>
     <% end %>
     </nobr>
 </form>