diff --git a/app/views/admin/journal_papers/merge.html.erb b/app/views/admin/journal_papers/merge.html.erb
index 170fff5..dbd1a1d 100644
--- a/app/views/admin/journal_papers/merge.html.erb
+++ b/app/views/admin/journal_papers/merge.html.erb
@@ -8,7 +8,7 @@
     <nobr>
     <%= '嚴格比較模式'+':' %>
     <% if params['mode']!='simple' %>
-        <input type="checkbox" name="mode" value="simple" onchange='this.form.submit()' checked><span>是</span>
+        <input type="checkbox" name="mode" value="simple" onchange='this.form.submit()'><span>是</span>
     <% else %>
         <input type="checkbox" name="mode" value="strict" onchange='this.form.submit()'><span>否</span>
     <% end %>