老师对帖子的删除权限

app/views/messages/_course_show.html.erb

@@ -42,7 +42,6 @@
         <ul>
           <li class="homepagePostSettingIcon">
             <ul class="homepagePostSettiongText">
-              <% if @topic.author.id == User.current.id  %>
                   <li>
                       <%= link_to(
                                   l(:button_edit),
@@ -59,7 +58,6 @@
                                   :class => 'postOptionLink'
                           ) if @message.course_destroyable_by?(User.current) %>
                   </li>
-              <% end %>
               <li><%= link_to "发送", "javascript:void(0);", :onclick => "show_send(#{@message.id}, #{User.current.id}, 'message');", :class => "postOptionLink" %></li>
             </ul>
           </li>