diff --git a/app/controllers/at_controller.rb b/app/controllers/at_controller.rb
index 9d7b1fb59..50fddc18e 100644
--- a/app/controllers/at_controller.rb
+++ b/app/controllers/at_controller.rb
@@ -136,8 +136,14 @@ class AtController < ApplicationController
   #Message
   def find_message(id)
     message = Message.find(id)
-    at_persons =  message.board.messages.map(&:author)
-    (at_persons || []) + (find_project(message.board.project_id)||[])
+    if message.board.course_id.nil?
+      at_persons =  message.board.messages.map(&:author)
+      (at_persons || []) + (find_project(message.board.project_id)||[])
+    else
+      type = 'Course'
+      course_id = message.board.course_id
+      find_at_users(type, course_id)
+    end
   end
 
   #News
diff --git a/app/controllers/forums_controller.rb b/app/controllers/forums_controller.rb
index f15114d20..67008ba1c 100644
--- a/app/controllers/forums_controller.rb
+++ b/app/controllers/forums_controller.rb
@@ -121,7 +121,7 @@ class ForumsController < ApplicationController
     order = ""
     @order_str = ""
     if(params[:reorder_complex])
-      order = "last_replies_memos.created_at #{params[:reorder_complex]}, #{Memo.table_name}.created_at #{params[:reorder_complex]}"
+      order = "replies_count #{params[:reorder_complex]}, #{Memo.table_name}.created_at #{params[:reorder_complex]}"
       @order_str = "reorder_complex="+params[:reorder_complex]
     elsif(params[:reorder_popu])
       order = "replies_count #{params[:reorder_popu]}"
diff --git a/app/views/layouts/new_base_user.html.erb b/app/views/layouts/new_base_user.html.erb
index c2dfdaa0c..6be6ca460 100644
--- a/app/views/layouts/new_base_user.html.erb
+++ b/app/views/layouts/new_base_user.html.erb
@@ -318,6 +318,8 @@
         len = t.length;
         for(var i=0;i<len;i++){
             t[i].href = 'javascript:void(0)';
+            // 火狐浏览器点击弹开空白页
+            t[i].target = '_self';
         }
         // 退出按钮可用
         var d = document.getElementById("logout_trustie");
diff --git a/app/views/messages/_course_show.html.erb b/app/views/messages/_course_show.html.erb
index 45392181e..e283d2a55 100644
--- a/app/views/messages/_course_show.html.erb
+++ b/app/views/messages/_course_show.html.erb
@@ -1,5 +1,5 @@
 <%= content_for(:header_tags) do %>
-    <%= import_ke(enable_at: false, prettify: false, init_activity: true) %>
+    <%= import_ke(enable_at: true, prettify: false, init_activity: true) %>
 <% end %>
 
 
@@ -105,11 +105,18 @@
           <em class="talkWrapArrow"></em>
           <div class="cl"></div>
           <div class="talkConIpt ml5 mb10" id="reply<%= @topic.id %>">
-            <%= form_for @reply, :as => :reply, :url => {:action => 'reply', :id => @topic}, :html => {:multipart => true, :id => 'message_form'} do |f| %>
-                <%= render :partial => 'form_course', :locals => {:f => f, :replying => true} %>
-                <%= link_to l(:button_cancel), "javascript:void(0)", :onclick => 'course_board_canel_message_replay();', :class => "grey_btn fr c_white mt10 mr5 ml10" %>
-                <%= link_to l(:button_submit), "javascript:void(0)", :onclick => 'course_board_submit_message_replay();', :class => "blue_btn fr c_white mt10", :style => "margin-left: 50px;" %>
-            <% end %>
+            <div nhname='new_message_<%= @topic.id%>' style="display:none;">
+              <%= form_for @reply, :as => :reply, :url => {:action => 'reply', :id => @topic}, :html => {:multipart => true, :id => 'message_form'} do |f| %>
+                  <input type="hidden" name="journal_id" value="<%= @topic.id %>"/>
+                  <div nhname='toolbar_container_<%= @topic.id %>' ></div>
+                  <div class="cl"></div>
+                  <textarea placeholder="有问题或有建议，请直接给我留言吧！" style="display: none" nhname='new_message_textarea_<%= @topic.id%>' name="content"></textarea>
+                  <div class="cl"></div>
+                  <span nhname='contentmsg_<%= @topic.id%>' class="fl"></span>
+                  <a id="new_message_submit_btn_<%= @topic.id%>" href="javascript:void(0)" onclick="this.style.display='none'" class="blue_n_btn fr" style="display:none;margin-top:6px;">发送</a>
+                  <div class="cl"></div>
+              <% end %>
+            </div>
             <div class="cl"></div>
           </div>
         </div>
diff --git a/app/views/messages/_project_show.html.erb b/app/views/messages/_project_show.html.erb
index a4b47a646..474812371 100644
--- a/app/views/messages/_project_show.html.erb
+++ b/app/views/messages/_project_show.html.erb
@@ -88,7 +88,7 @@
         }
     }
     $(function() {
-        sd_create_editor_from_data(<%= @topic.id%>,null,"100%", "<%=@topic.class.to_s%>");
+        sd_create_editor_from_data(<%= @topic.id%>,null,"100%", "<%= @topic.class.to_s %>");
         showNormalImage('message_description_<%= @topic.id %>');
     });
 </script>
diff --git a/app/views/messages/reply.js.erb b/app/views/messages/reply.js.erb
index 17a482c37..1722b0b61 100644
--- a/app/views/messages/reply.js.erb
+++ b/app/views/messages/reply.js.erb
@@ -1,15 +1,29 @@
-<%if @project%>
-<% if params[:is_project] %>
-$("#user_activity_<%= @user_activity_id%>").replaceWith("<%= escape_javascript(render :partial => 'projects/act_messages', :locals => {:activity => @topic,:user_activity_id =>@user_activity_id,:is_course=>@is_course,:is_board=>@is_board}) %>");
-<% else %>
-$("#activity_post_reply_<%= @user_activity_id%>").html("<%= escape_javascript(render :partial => 'users/course_message_post_reply', :locals => {:activity => @topic,:user_activity_id =>@user_activity_id}) %>");
-<% end %>
+<% if @project %>
+    <% if params[:is_project] %>
+        $("#user_activity_<%= @user_activity_id %>").replaceWith("<%= escape_javascript(render :partial => 'projects/act_messages',
+                                                                                               :locals => { :activity => @topic,
+                                                                                                            :user_activity_id => @user_activity_id,
+                                                                                                            :is_course => @is_course,
+                                                                                                            :is_board => @is_board}) %>");
+    // ForgeActivity是具体项目的动态；UserActivity是社区的动态
+    // sd_create_editor_from_data(<%#= @user_activity_id %>, "", "100%", "ForgeActivity");
+    <% else %>
+        $("#activity_post_reply_<%= @user_activity_id %>").html("<%= escape_javascript(render :partial => 'users/course_message_post_reply',
+                                                                                              :locals => { :activity => @topic,
+                                                                                                           :user_activity_id => @user_activity_id}) %>");
 
-<%elsif @course%>
-$("#activity_post_reply_<%= @user_activity_id%>").html("<%= escape_javascript(render :partial => 'users/course_message_post_reply', :locals => {:activity => @topic,:user_activity_id =>@user_activity_id}) %>");
-<%elsif @contest%>
-$("#activity_post_reply_<%= @user_activity_id%>").html("<%= escape_javascript(render :partial => 'users/contest_message_post_reply', :locals => {:activity => @topic,:user_activity_id =>@user_activity_id}) %>");
+    <% end %>
+<% elsif @course %>
+    $("#activity_post_reply_<%= @user_activity_id %>").html("<%= escape_javascript(render :partial => 'users/course_message_post_reply',
+                                                                                          :locals => { :activity => @topic,
+                                                                                                       :user_activity_id => @user_activity_id}) %>");
+<% elsif @contest %>
+    $("#activity_post_reply_<%= @user_activity_id%>").html("<%= escape_javascript(render :partial => 'users/contest_message_post_reply',
+                                                                                         :locals => { :activity => @topic,
+                                                                                                      :user_activity_id => @user_activity_id}) %>");
 <% elsif @org_subfield %>
-$("#activity_post_reply_<%= @user_activity_id%>").html("<%= escape_javascript(render :partial => 'organizations/org_message_post_reply', :locals => {:activity => @topic,:user_activity_id =>@user_activity_id}) %>");
-<%end%>
-sd_create_editor_from_data(<%= @user_activity_id %>,"","100%", "UserActivity");
+    $("#activity_post_reply_<%= @user_activity_id%>").html("<%= escape_javascript(render :partial => 'organizations/org_message_post_reply',
+                                                                                         :locals => { :activity => @topic,
+                                                                                                      :user_activity_id => @user_activity_id}) %>");
+<% end %>
+sd_create_editor_from_data(<%= @user_activity_id %>, "", "100%", "UserActivity");
\ No newline at end of file
diff --git a/app/views/projects/_act_messages.html.erb b/app/views/projects/_act_messages.html.erb
index 8e5aa4961..daa2aff4b 100644
--- a/app/views/projects/_act_messages.html.erb
+++ b/app/views/projects/_act_messages.html.erb
@@ -1,3 +1,6 @@
+<%= content_for(:header_tags) do %>
+    <%= import_ke(enable_at: true, prettify: false, init_activity: true) %>
+<% end %>
 <div class="container-big mt10" id="user_activity_<%= user_activity_id%>">
   <div class="pr">
     <div class="homepagePostPortrait">
diff --git a/app/views/users/_course_message_post_reply.html.erb b/app/views/users/_course_message_post_reply.html.erb
index 0684a57da..72d7fe5b3 100644
--- a/app/views/users/_course_message_post_reply.html.erb
+++ b/app/views/users/_course_message_post_reply.html.erb
@@ -1,3 +1,6 @@
+<%= content_for(:header_tags) do %>
+    <%= import_ke(enable_at: true, prettify: false, init_activity: true) %>
+<% end %>
 <% all_replies = Message.where("root_id = #{activity.id}").reorder("created_on desc") %>
 <% count = all_replies.count %>
 <% no_children_comments = get_no_children_comments all_replies %>