课程讨论区编辑、删除按钮互换

app/views/messages/_course_show.html.erb

@@ -28,11 +28,6 @@
       添加于<%= format_time(@topic.created_on) %>
     </p>
   </div>
-  <%= link_to(
-              l(:button_edit),
-              {:action => 'edit', :id => @topic},
-              :class => 'talk_edit fr'
-      ) if @message.course_editable_by?(User.current) %>
   <%= link_to(
               l(:button_delete),
               {:action => 'destroy', :id => @topic},
@@ -40,6 +35,11 @@
               :data => {:confirm => l(:text_are_you_sure)},
               :class => 'talk_edit fr'
       ) if @message.course_destroyable_by?(User.current) %>
+  <%= link_to(
+              l(:button_edit),
+              {:action => 'edit', :id => @topic},
+              :class => 'talk_edit fr'
+      ) if @message.course_editable_by?(User.current) %>
   <div class="cl"></div>
   <div class="talk_info mb10 upload_img break_word"><%= @topic.content.html_safe %></div>
   <div class="talk_info mb10"><%= link_to_attachments_course @topic, :author => false %></div>