diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index 5731244c3..226d24afa 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -47,6 +47,9 @@ class MessagesController < ApplicationController
     all_comments = []
     @replies = get_all_children(all_comments, @topic)
     @reply_count = @replies.count
+    @page = params[:page] ? params[:page].to_i + 1 : 0
+    @limit = 10
+    @replies = @replies[@page * @limit..@page * @limit + 9]
     @reply = Message.new(:subject => "RE: #{@message.subject}")
     if @course
       #@replies =  @topic.children.
@@ -57,7 +60,11 @@ class MessagesController < ApplicationController
           #all
       #@replies = paginateHelper messages_replies,10
       @left_nav_type = 2
-      render :action => "show", :layout => "base_courses"#by young
+      respond_to do |format|
+        format.js
+        format.html {render :layout => 'base_courses'}
+      end
+      #render :action => "show", :layout => "base_courses"#by young
     elsif @project
       #@reply_pages = Paginator.new @reply_count, REPLIES_PER_PAGE, page
       # @replies =  @topic.children.
@@ -66,8 +73,10 @@ class MessagesController < ApplicationController
       #     limit(@reply_pages.per_page).
       #     offset(@reply_pages.offset).
       #     all
-
-      render :action => "show", :layout => "base_projects"#by young
+      respond_to do |format|
+        format.js
+        format.html {render :layout => 'base_projects'}
+      end
     else
       # @reply_pages = Paginator.new @reply_count, REPLIES_PER_PAGE, page
       # @replies =  @topic.children.
@@ -78,7 +87,10 @@ class MessagesController < ApplicationController
       #     all
 
       @organization = @org_subfield.organization
-      render :action => "show", :layout => "base_org"#by young
+      respond_to do |format|
+        format.js
+        format.html {render :layout => 'base_org'}
+      end
     end
   end
 
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 2c427bbea..c3e0bee54 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -3244,17 +3244,32 @@ def get_reply_parents_no_root parents_rely, comment
   parents_rely
 end
 
+def get_all_children_ex result, jour
+  if jour.kind_of? Message
+    jour.children.includes(:author, :praise_tread_cache).each do |jour_child|
+      result << jour_child
+      get_all_children_ex result, jour_child
+    end
+  elsif (jour.kind_of? JournalsForMessage) || (jour.kind_of? BlogComment) || (jour.kind_of? OrgDocumentComment)
+    jour.children.each do |jour_child|
+      result << jour_child
+      get_all_children_ex result, jour_child
+    end
+  end
+  result
+end
+
 #获取所有子节点
 def get_all_children result, jour
   if jour.kind_of? Message
     jour.children.includes(:author, :praise_tread_cache).each do |jour_child|
       result << jour_child
-      get_all_children result, jour_child
+      get_all_children_ex result, jour_child
     end
   elsif (jour.kind_of? JournalsForMessage) || (jour.kind_of? BlogComment) || (jour.kind_of? OrgDocumentComment)
     jour.children.each do |jour_child|
       result << jour_child
-      get_all_children result, jour_child
+      get_all_children_ex result, jour_child
     end
   end
   if jour.respond_to?(:created_on)
diff --git a/app/views/messages/_course_show.html.erb b/app/views/messages/_course_show.html.erb
index abdeef255..80661078a 100644
--- a/app/views/messages/_course_show.html.erb
+++ b/app/views/messages/_course_show.html.erb
@@ -95,58 +95,8 @@
     </div>
     <%# all_comments = []%>
     <%# comments = get_all_children(all_comments, @topic) %>
-    <div class="" id="reply_div_<%=  @topic.id %>">
-      <% @replies.each do |reply| %>
-          <script type="text/javascript">
-              $(function(){
-                  showNormalImage('reply_message_description_<%= reply.id %>');
-                  autoUrl('reply_message_description_<%= reply.id %>');
-              });
-          </script>
-          <div class="homepagePostReplyContainer" onmouseover="$('#reply_edit_menu_<%= reply.id%>').show();" onmouseout="$('#reply_edit_menu_<%= reply.id%>').hide();">
-            <div class="homepagePostReplyPortrait">
-              <%= link_to image_tag(url_to_avatar(reply.author), :width => 33,:height => 33), user_path(reply.author) %>
-            </div>
-            <div class="homepagePostReplyDes" onmouseover="$('#delete_reply_<%=reply.id %>').show();" onmouseout="$('#delete_reply_<%=reply.id %>').hide();">
-              <%= render :partial => 'users/message_contents', :locals => {:comment => reply}%>
-
-              <div class="homepagePostReplyContent upload_img break_word table_maxWidth" id="reply_message_description_<%= reply.id %>">
-                <%= reply.content.html_safe%>
-              </div>
-              <div class="orig_reply mb10 mt-10">
-                <div class="reply">
-                <span class="reply-right">
-                <span id="reply_praise_count_<%= reply.id %>">
-                  <%= render :partial => "praise_tread/praise", :locals => {:activity => reply, :user_activity_id => reply.id, :type => "reply"} %>
-                </span>
-                <span style="position: relative" class="fr mr20">
-                  <%= link_to(
-                              l(:button_reply),
-                              {:action => 'quote', :id => reply},
-                              :remote => true,
-                              :method => 'get',
-                              :title => l(:button_reply)) if !@topic.locked? && authorize_for('messages', 'reply') %>
-                  <span id="reply_iconup_<%= reply.id %>" class="reply_iconup02" style="display: none"> ︿</span>
-                </span>
-                  <%= link_to(
-                              l(:button_delete),
-                              {:action => 'destroy', :id => reply},
-                              :method => :post,
-                              :id => "delete_reply_#{reply.id}",
-                              :class => 'fr mr20 undis',
-                              :data => {:confirm => l(:text_are_you_sure)},
-                              :title => l(:button_delete)
-                      ) if reply.course_destroyable_by?(User.current) %>
-                </span>
-
-                  <div class="cl"></div>
-                </div>
-              </div>
-              <p id="reply_message_<%= reply.id%>"></p>
-            </div>
-            <div class="cl"></div>
-          </div>
-      <% end %>
+    <div class="" id="reply_div_<%= @topic.id %>">
+      <%= render :partial => "messages/course_show_replies" %>
     </div>
 
     <div class="cl"></div>
diff --git a/app/views/messages/_course_show_replies.html.erb b/app/views/messages/_course_show_replies.html.erb
new file mode 100644
index 000000000..ad715df20
--- /dev/null
+++ b/app/views/messages/_course_show_replies.html.erb
@@ -0,0 +1,60 @@
+<% @replies.each do |reply| %>
+    <script type="text/javascript">
+        $(function(){
+            showNormalImage('reply_message_description_<%= reply.id %>');
+            autoUrl('reply_message_description_<%= reply.id %>');
+        });
+    </script>
+    <div class="homepagePostReplyContainer" onmouseover="$('#reply_edit_menu_<%= reply.id%>').show();" onmouseout="$('#reply_edit_menu_<%= reply.id%>').hide();">
+      <div class="homepagePostReplyPortrait">
+        <%= link_to image_tag(url_to_avatar(reply.author), :width => 33,:height => 33), user_path(reply.author) %>
+      </div>
+      <div class="homepagePostReplyDes" onmouseover="$('#delete_reply_<%=reply.id %>').show();" onmouseout="$('#delete_reply_<%=reply.id %>').hide();">
+        <%= render :partial => 'users/message_contents', :locals => {:comment => reply}%>
+
+        <div class="homepagePostReplyContent upload_img break_word table_maxWidth" id="reply_message_description_<%= reply.id %>">
+          <%= reply.content.html_safe%>
+        </div>
+        <div class="orig_reply mb10 mt-10">
+          <div class="reply">
+                <span class="reply-right">
+                <span id="reply_praise_count_<%= reply.id %>">
+                  <%= render :partial => "praise_tread/praise", :locals => {:activity => reply, :user_activity_id => reply.id, :type => "reply"} %>
+                </span>
+                <span style="position: relative" class="fr mr20">
+                  <%= link_to(
+                              l(:button_reply),
+                              {:action => 'quote', :id => reply},
+                              :remote => true,
+                              :method => 'get',
+                              :title => l(:button_reply)) if !@topic.locked? && authorize_for('messages', 'reply') %>
+                  <span id="reply_iconup_<%= reply.id %>" class="reply_iconup02" style="display: none"> ︿</span>
+                </span>
+                  <%= link_to(
+                              l(:button_delete),
+                              {:action => 'destroy', :id => reply},
+                              :method => :post,
+                              :id => "delete_reply_#{reply.id}",
+                              :class => 'fr mr20 undis',
+                              :data => {:confirm => l(:text_are_you_sure)},
+                              :title => l(:button_delete)
+                      ) if reply.course_destroyable_by?(User.current) %>
+                </span>
+
+            <div class="cl"></div>
+          </div>
+        </div>
+        <p id="reply_message_<%= reply.id%>"></p>
+      </div>
+      <div class="cl"></div>
+    </div>
+<% end %>
+<% if @reply_count > @page * @limit + 10 %>
+    <div id="more_message_replies">
+        <div class="detail_cont_hide clearfix">
+          <span class="orig_icon" >&darr; </span>
+          <span class="orig_icon" style="display:none;" > &uarr;</span>
+          <%= link_to '点击展开更多回复', board_message_path(@topic.board_id, @topic, :page => @page),:remote=>true %>
+        </div>
+    </div>
+<% end %>
\ No newline at end of file
diff --git a/app/views/messages/_org_show_replies.html.erb b/app/views/messages/_org_show_replies.html.erb
new file mode 100644
index 000000000..fbde35fcf
--- /dev/null
+++ b/app/views/messages/_org_show_replies.html.erb
@@ -0,0 +1,59 @@
+<% @replies.each_with_index do |reply, i| %>
+    <script type="text/javascript">
+        $(function () {
+            showNormalImage('reply_message_description_<%= reply.id %>');
+            autoUrl('reply_message_description_<%= reply.id %>');
+        });
+    </script>
+    <div class="homepagePostReplyContainer" onmouseover="$('#reply_edit_menu_<%= reply.id%>').show();" onmouseout="$('#reply_edit_menu_<%= reply.id%>').hide();">
+      <div class="homepagePostReplyPortrait">
+        <%= link_to image_tag(url_to_avatar(reply.author), :width => 33, :height => 33), user_path(reply.author) %>
+      </div>
+      <div class="homepagePostReplyDes">
+        <%= render :partial => 'users/message_contents', :locals => {:comment => reply} %>
+
+        <div class="homepagePostReplyContent upload_img break_word table_maxWidth" id="reply_message_description_<%= reply.id %>">
+          <%= reply.content.html_safe %>
+        </div>
+        <div class="orig_reply mb10 mt-10">
+          <div class="reply">
+                <span class="reply-right">
+                <span id="reply_praise_count_<%= reply.id %>">
+                  <%= render :partial => "praise_tread/praise", :locals => {:activity => reply, :user_activity_id => reply.id, :type => "reply"} %>
+                </span>
+                <span style="position: relative" class="fr mr20">
+                  <%= link_to(
+                              l(:button_reply),
+                              {:action => 'quote', :id => reply},
+                              :remote => true,
+                              :method => 'get',
+                              :title => l(:button_reply)) if !@topic.locked? && authorize_for('messages', 'reply') %>
+                  <span id="reply_iconup_<%= reply.id %>" class="reply_iconup02" style="display: none"> ︿</span>
+                </span>
+                  <%= link_to(
+                              l(:button_delete),
+                              {:action => 'destroy', :id => reply},
+                              :method => :post,
+                              :class => 'fr mr20',
+                              :data => {:confirm => l(:text_are_you_sure)},
+                              :title => l(:button_delete)
+                      ) if reply.course_destroyable_by?(User.current) %>
+                </span>
+
+            <div class="cl"></div>
+          </div>
+        </div>
+        <p id="reply_message_<%= reply.id %>"></p>
+      </div>
+      <div class="cl"></div>
+    </div>
+<% end %>
+<% if @reply_count > @page * @limit + 10 %>
+    <div id="more_message_replies">
+      <div class="detail_cont_hide clearfix">
+        <span class="orig_icon" >&darr; </span>
+        <span class="orig_icon" style="display:none;" > &uarr;</span>
+        <%= link_to '点击展开更多回复', board_message_path(@topic.board_id, @topic, :page => @page),:remote=>true %>
+      </div>
+    </div>
+<% end %>
\ No newline at end of file
diff --git a/app/views/messages/_org_subfield_show.html.erb b/app/views/messages/_org_subfield_show.html.erb
index 6b6983bb1..19e8b30d5 100644
--- a/app/views/messages/_org_subfield_show.html.erb
+++ b/app/views/messages/_org_subfield_show.html.erb
@@ -130,56 +130,7 @@
         <%# all_comments = [] %>
         <%# comments = get_all_children(all_comments, @topic) %>
         <div class="" id="reply_div_<%= @topic.id %>">
-          <% @replies.each_with_index do |reply, i| %>
-              <script type="text/javascript">
-                  $(function () {
-                      showNormalImage('reply_message_description_<%= reply.id %>');
-                      autoUrl('reply_message_description_<%= reply.id %>');
-                  });
-              </script>
-              <div class="homepagePostReplyContainer" onmouseover="$('#reply_edit_menu_<%= reply.id%>').show();" onmouseout="$('#reply_edit_menu_<%= reply.id%>').hide();">
-                <div class="homepagePostReplyPortrait">
-                  <%= link_to image_tag(url_to_avatar(reply.author), :width => 33, :height => 33), user_path(reply.author) %>
-                </div>
-                <div class="homepagePostReplyDes">
-                  <%= render :partial => 'users/message_contents', :locals => {:comment => reply} %>
-
-                  <div class="homepagePostReplyContent upload_img break_word table_maxWidth" id="reply_message_description_<%= reply.id %>">
-                    <%= reply.content.html_safe %>
-                  </div>
-                  <div class="orig_reply mb10 mt-10">
-                    <div class="reply">
-                <span class="reply-right">
-                <span id="reply_praise_count_<%= reply.id %>">
-                  <%= render :partial => "praise_tread/praise", :locals => {:activity => reply, :user_activity_id => reply.id, :type => "reply"} %>
-                </span>
-                <span style="position: relative" class="fr mr20">
-                  <%= link_to(
-                              l(:button_reply),
-                              {:action => 'quote', :id => reply},
-                              :remote => true,
-                              :method => 'get',
-                              :title => l(:button_reply)) if !@topic.locked? && authorize_for('messages', 'reply') %>
-                  <span id="reply_iconup_<%= reply.id %>" class="reply_iconup02" style="display: none"> ︿</span>
-                </span>
-                  <%= link_to(
-                              l(:button_delete),
-                              {:action => 'destroy', :id => reply},
-                              :method => :post,
-                              :class => 'fr mr20',
-                              :data => {:confirm => l(:text_are_you_sure)},
-                              :title => l(:button_delete)
-                      ) if reply.course_destroyable_by?(User.current) %>
-                </span>
-
-                      <div class="cl"></div>
-                    </div>
-                  </div>
-                  <p id="reply_message_<%= reply.id %>"></p>
-                </div>
-                <div class="cl"></div>
-              </div>
-          <% end %>
+          <%= render :partial => "messages/org_show_replies" %>
         </div>
 
     <% end %>
diff --git a/app/views/messages/_project_show.html.erb b/app/views/messages/_project_show.html.erb
index f46d70ad2..e7d12c3d3 100644
--- a/app/views/messages/_project_show.html.erb
+++ b/app/views/messages/_project_show.html.erb
@@ -160,57 +160,7 @@
       <%# all_comments = []%>
       <%# comments = get_all_children(all_comments, @topic) %>
       <div class="" id="reply_div_<%=  @topic.id %>">
-        <% @replies.each_with_index  do |reply,i| %>
-            <script type="text/javascript">
-                $(function(){
-                    showNormalImage('reply_message_description_<%= reply.id %>');
-                    autoUrl('reply_message_description_<%= reply.id %>');
-                });
-            </script>
-            <div class="homepagePostReplyContainer" onmouseover="$('#reply_edit_menu_<%= reply.id%>').show();" onmouseout="$('#reply_edit_menu_<%= reply.id%>').hide();">
-              <div class="homepagePostReplyPortrait">
-                <%= link_to image_tag(url_to_avatar(reply.author), :width => 33,:height => 33), user_path(reply.author) %>
-              </div>
-              <div class="homepagePostReplyDes" onmouseover="$('#delete_reply_<%=reply.id %>').show();" onmouseout="$('#delete_reply_<%=reply.id %>').hide();">
-                <%= render :partial => 'users/message_contents', :locals => {:comment => reply}%>
-
-                <div class="homepagePostReplyContent upload_img break_word table_maxWidth" id="reply_message_description_<%= reply.id %>">
-                  <%= reply.content.html_safe%>
-                </div>
-                <div class="orig_reply mb10 mt-10">
-                  <div class="reply">
-                <span class="reply-right">
-                <span id="reply_praise_count_<%= reply.id %>">
-                  <%= render :partial => "praise_tread/praise", :locals => {:activity => reply, :user_activity_id => reply.id, :type => "reply"} %>
-                </span>
-                <span style="position: relative" class="fr mr20">
-                  <%= link_to(
-                              l(:button_reply),
-                              {:action => 'quote', :id => reply},
-                              :remote => true,
-                              :method => 'get',
-                              :title => l(:button_reply)) if !@topic.locked? && authorize_for('messages', 'reply') %>
-                  <span id="reply_iconup_<%= reply.id %>" class="reply_iconup02" style="display: none"> ︿</span>
-                </span>
-                  <%= link_to(
-                              l(:button_delete),
-                              {:action => 'destroy', :id => reply},
-                              :method => :post,
-                              :id => "delete_reply_#{reply.id}",
-                              :class => 'fr mr20 undis',
-                              :data => {:confirm => l(:text_are_you_sure)},
-                              :title => l(:button_delete)
-                      ) if reply.destroyable_by?(User.current) %>
-                </span>
-
-                    <div class="cl"></div>
-                  </div>
-                </div>
-                <p id="reply_message_<%= reply.id%>"></p>
-              </div>
-              <div class="cl"></div>
-            </div>
-        <% end %>
+        <%= render :partial => "messages/project_show_replies" %>
       </div>
       <div class="cl"></div>
       <% if !@topic.locked? && authorize_for('messages', 'reply') %>
diff --git a/app/views/messages/_project_show_replies.html.erb b/app/views/messages/_project_show_replies.html.erb
new file mode 100644
index 000000000..ea0b64069
--- /dev/null
+++ b/app/views/messages/_project_show_replies.html.erb
@@ -0,0 +1,60 @@
+<% @replies.each_with_index  do |reply,i| %>
+    <script type="text/javascript">
+        $(function(){
+            showNormalImage('reply_message_description_<%= reply.id %>');
+            autoUrl('reply_message_description_<%= reply.id %>');
+        });
+    </script>
+    <div class="homepagePostReplyContainer" onmouseover="$('#reply_edit_menu_<%= reply.id%>').show();" onmouseout="$('#reply_edit_menu_<%= reply.id%>').hide();">
+      <div class="homepagePostReplyPortrait">
+        <%= link_to image_tag(url_to_avatar(reply.author), :width => 33,:height => 33), user_path(reply.author) %>
+      </div>
+      <div class="homepagePostReplyDes" onmouseover="$('#delete_reply_<%=reply.id %>').show();" onmouseout="$('#delete_reply_<%=reply.id %>').hide();">
+        <%= render :partial => 'users/message_contents', :locals => {:comment => reply}%>
+
+        <div class="homepagePostReplyContent upload_img break_word table_maxWidth" id="reply_message_description_<%= reply.id %>">
+          <%= reply.content.html_safe%>
+        </div>
+        <div class="orig_reply mb10 mt-10">
+          <div class="reply">
+                <span class="reply-right">
+                <span id="reply_praise_count_<%= reply.id %>">
+                  <%= render :partial => "praise_tread/praise", :locals => {:activity => reply, :user_activity_id => reply.id, :type => "reply"} %>
+                </span>
+                <span style="position: relative" class="fr mr20">
+                  <%= link_to(
+                              l(:button_reply),
+                              {:action => 'quote', :id => reply},
+                              :remote => true,
+                              :method => 'get',
+                              :title => l(:button_reply)) if !@topic.locked? && authorize_for('messages', 'reply') %>
+                  <span id="reply_iconup_<%= reply.id %>" class="reply_iconup02" style="display: none"> ︿</span>
+                </span>
+                  <%= link_to(
+                              l(:button_delete),
+                              {:action => 'destroy', :id => reply},
+                              :method => :post,
+                              :id => "delete_reply_#{reply.id}",
+                              :class => 'fr mr20 undis',
+                              :data => {:confirm => l(:text_are_you_sure)},
+                              :title => l(:button_delete)
+                      ) if reply.destroyable_by?(User.current) %>
+                </span>
+
+            <div class="cl"></div>
+          </div>
+        </div>
+        <p id="reply_message_<%= reply.id%>"></p>
+      </div>
+      <div class="cl"></div>
+    </div>
+<% end %>
+<% if @reply_count > @page * @limit + 10 %>
+    <div id="more_message_replies">
+      <div class="detail_cont_hide clearfix">
+        <span class="orig_icon" >&darr; </span>
+        <span class="orig_icon" style="display:none;" > &uarr;</span>
+        <%= link_to '点击展开更多回复', board_message_path(@topic.board_id, @topic, :page => @page),:remote=>true %>
+      </div>
+    </div>
+<% end %>
\ No newline at end of file
diff --git a/app/views/messages/show.js.erb b/app/views/messages/show.js.erb
new file mode 100644
index 000000000..fcfaa3858
--- /dev/null
+++ b/app/views/messages/show.js.erb
@@ -0,0 +1,7 @@
+<% if @project %>
+$("#more_message_replies").replaceWith("<%= escape_javascript(render :partial =>  'messages/project_show_replies')%>");
+<% elsif @course %>
+$("#more_message_replies").replaceWith("<%= escape_javascript(render :partial =>  'messages/course_show_replies')%>");
+<% else %>
+$("#more_message_replies").replaceWith("<%= escape_javascript(render :partial =>  'messages/org_show_replies')%>");
+<% end %>
\ No newline at end of file
diff --git a/public/stylesheets/css/public.css b/public/stylesheets/css/public.css
index d4cce2679..cce278668 100644
--- a/public/stylesheets/css/public.css
+++ b/public/stylesheets/css/public.css
@@ -1403,6 +1403,7 @@ a:hover.comment_ding_link{ color:#269ac9;}
 .orig_icon{ color:#888; margin-right:10px; font-size:14px; font-weight:bold;}
 
 .relateText {font-size:16px; color:#269ac9; line-height:16px; padding-top:20px; display:inline-block; font-weight: bold;}
+.detail_cont_hide{ text-align:center; width:690px; display:block; font-size:14px; color:#333; border-bottom:1px solid #e3e3e3; padding:8px 0; margin: 0px auto;}
 
 /* 未登录的提示信息 */
 .syllabusbox_tishi{