Fix backend index table detail

app/views/admin/announcements/_index.html.erb

@@ -16,7 +16,7 @@
           <div class="quick-edit">
             <ul class="nav nav-pills">
               <li><a href="/admin/announcements/<%=b.id.to_s%>/edit"><%= t(:edit) %></a></li>
-              <li><a href="#" class="detail-row" onclick="$('#<%= "#{b.id.to_s}-detail" %>').slideToggle(300)"><%= t(:detail) %></a></li>
+              <li><a href="#" class="detail-row" onclick="$('#<%= "#{b.id.to_s}-detail" %>').slideToggle(300); return false;"><%= t(:detail) %></a></li>
               <li><a href="#" class="delete text-error" rel="/admin/announcements/<%=b.id.to_s%>"><%= t(:delete_) %></a></li>
             </ul>
           </div>

lib/announcement/engine.rb

@@ -6,7 +6,6 @@ module Announcement
         base_url File.expand_path File.dirname(__FILE__)
         widget_methods ["widget"]
         widget_settings [{"data_count"=>10}]
-        data_count 1..10
         taggable "Bulletin"
         categorizable
         authorizable