diff --git a/app/views/messages/_course_show.html.erb b/app/views/messages/_course_show.html.erb
index 82f94ebfc..79142c441 100644
--- a/app/views/messages/_course_show.html.erb
+++ b/app/views/messages/_course_show.html.erb
@@ -147,19 +147,19 @@
 
   <% end %>
     <div class="cl"></div>
-    <div class="talkWrapMsg" nhname="about_talk_reply">
-      <em class="talkWrapArrow"></em>
-      <div class="cl"></div>
-      <div class="talkConIpt ml5 mb10" id="reply<%= @topic.id %>">
-        <% if !@topic.locked? && authorize_for_course('messages', 'reply') %>
-              <%= 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 => "blue_btn grey_btn fr c_white mt10 mr5"  %>
-                <%= 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 %>
-        <% end %>
-        <div class="cl"></div>
-      </div>
-    </div>
+    <% if !@topic.locked? && authorize_for_course('messages', 'reply') %>
+        <div class="talkWrapMsg" nhname="about_talk_reply">
+          <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 => "blue_btn grey_btn fr c_white mt10 mr5" %>
+                <%= 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 class="cl"></div>
+          </div>
+        </div>
+    <% end %>
   </div>
 </div>
\ No newline at end of file
diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index b153d7ea7..d9574dc0b 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -23,6 +23,9 @@
       <% if activity.sticky == 1%>
             <span class="sticky_btn_cir ml10">置顶</span>
       <% end%>
+      <% if activity.locked%>
+          <span class="locked_btn_cir ml10 fl" title="已锁定">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
+      <% end%>
       <div class="cl"></div>
       <div class="homepagePostDate">
         发帖时间：<%= format_time(activity.created_on) %>
@@ -56,7 +59,7 @@
       <% count=activity.children.count%>
   <% end %>
   <div class="homepagePostReply">
-    <div class="topBorder" style="display: <%= count>0 ? 'none': '' %>"></div>
+    <div class="topBorder" style="display: <%= count<=0 && !activity.locked ? '': 'none' %>"></div>
     <div class="homepagePostReplyBanner" style="display: <%= count>0 ? '': 'none' %>">
       <div class="homepagePostReplyBannerCount" onclick="expand_reply_input('#reply_input_<%= user_activity_id %>');">回复(
         <%= count %>
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index fc4a890d2..8e41df7af 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -172,6 +172,7 @@ a.f_grey:hover {color:#000000;}
 .blue_btn_cir{ background:#3498db; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal;font-size:12px;}
 .orange_btn_cir{ background:#e67e22; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal; font-size:12px;}
 .sticky_btn_cir{ background:#269ac9; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal; font-size:12px;}
+.locked_btn_cir{background: url("../images/locked.png") 0 0 no-repeat; cursor: default;}
 .bgreen_btn_cir{ background:#1abc9c; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal; font-size:12px;}
 .homepageNewsTime {width:75px; font-size:12px; color:#888888; display:block; text-align:right;}
 a.homepageWhite {color:#ffffff;}
diff --git a/public/stylesheets/new_user.css b/public/stylesheets/new_user.css
index 1301f648b..872d8df6d 100644
--- a/public/stylesheets/new_user.css
+++ b/public/stylesheets/new_user.css
@@ -297,6 +297,7 @@ a:hover.bgreen_n_btn{background:#08a384;}
 .blue_btn_cir{ background:#3498db; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal;font-size:12px;}
 .orange_btn_cir{ background:#e67e22; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal; font-size:12px;}
 .sticky_btn_cir{ background:#269ac9; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal; font-size:12px;}
+.locked_btn_cir{background: url("../images/locked.png") 0 0 no-repeat; cursor: default;}
 .bgreen_btn_cir{ background:#1abc9c; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal; font-size:12px;}
 /* commonpic */
 .pic_date{ display:block; background:url(../images/public_icon.png) -31px 0 no-repeat; width:16px; height:15px; }