diff --git a/app/views/boards/_course_show.html.erb b/app/views/boards/_course_show.html.erb
index ef16d0c23..5c0120f11 100644
--- a/app/views/boards/_course_show.html.erb
+++ b/app/views/boards/_course_show.html.erb
@@ -71,7 +71,8 @@
 
           $(function () {
               init_activity_KindEditor_data(<%= topic.id%>, null, "87%");
-              var description_images=$("div#activity_description_<%= topic.id %>").find("img");
+              showNormalImage('activity_description_<%= topic.id %>');
+              /*var description_images=$("div#activity_description_<%#= topic.id %>").find("img");
               if (description_images.length>0) {
                   for (var i=0; i<description_images.length; i++){
                       var image=$(description_images[i]);
@@ -79,17 +80,7 @@
                       image.wrap(element);
                   }
               }
-              $('#activity_description_<%= topic.id %> a').colorbox({rel:'nofollow', close: "关闭", returnFocus: false});
-
-              var reply_images=$("div#reply_content_<%= topic.id %>").find("img");
-              if (reply_images.length>0) {
-                  for (var i=0; i<reply_images.length; i++){
-                      var image=$(reply_images[i]);
-                      var element=$("<a></a>").attr("href",image.attr('src'));
-                      image.wrap(element);
-                  }
-              }
-              $('#reply_content_<%= topic.id %> a').colorbox({rel:'nofollow', close: "关闭", returnFocus: false});
+              $('#activity_description_<%#= topic.id %> a').colorbox({rel:'nofollow', close: "关闭", returnFocus: false});*/
           });
       </script>
       <% if topic %>
diff --git a/app/views/courses/_course_activity.html.erb b/app/views/courses/_course_activity.html.erb
index 74856197e..aa99236df 100644
--- a/app/views/courses/_course_activity.html.erb
+++ b/app/views/courses/_course_activity.html.erb
@@ -74,25 +74,7 @@
 
             $(function () {
                 init_activity_KindEditor_data(<%= activity.id%>, null, "87%");
-                var description_images=$("div#activity_description_<%= activity.id %>").find("img");
-                if (description_images.length>0) {
-                    for (var i=0; i<description_images.length; i++){
-                        var image=$(description_images[i]);
-                        var element=$("<a></a>").attr("href",image.attr('src'));
-                        image.wrap(element);
-                    }
-                }
-                $('#activity_description_<%= activity.id %> a').colorbox({rel:'nofollow', close: "关闭", returnFocus: false});
-
-                var reply_images=$("div#reply_content_<%= activity.id %>").find("img");
-                if (reply_images.length>0) {
-                    for (var i=0; i<reply_images.length; i++){
-                        var image=$(reply_images[i]);
-                        var element=$("<a></a>").attr("href",image.attr('src'));
-                        image.wrap(element);
-                    }
-                }
-                $('#reply_content_<%= activity.id %> a').colorbox({rel:'nofollow', close: "关闭", returnFocus: false});
+                showNormalImage('activity_description_<%= activity.id %>');
             });
         </script>
             <% if activity && activity.course_act%>
diff --git a/app/views/messages/_course_show.html.erb b/app/views/messages/_course_show.html.erb
index 1611bc725..82f94ebfc 100644
--- a/app/views/messages/_course_show.html.erb
+++ b/app/views/messages/_course_show.html.erb
@@ -25,6 +25,7 @@
     }
     $(function() {
         init_activity_KindEditor_data(<%= @topic.id%>,null,"85%");
+        showNormalImage('message_description_<%= @topic.id %>');
     });
 </script>
 <div class="postRightContainer ml10" onmouseover="$('#message_setting_<%= @topic.id%>').show();" onmouseout="$('#message_setting_<%= @topic.id%>').hide();">
@@ -73,7 +74,7 @@
       </div>
       <div class="postDetailDate mb5"><%= format_time( @topic.created_on)%></div>
       <div class="cl"></div>
-      <div class="memo-content upload_img break_word" style="word-break: break-all; word-wrap:break-word;margin-bottom: 0px !important;" >
+      <div class="memo-content upload_img break_word" id="message_description_<%= @topic.id %>" style="word-break: break-all; word-wrap:break-word;margin-bottom: 0px !important;" >
         <%= @topic.content.html_safe%>
       </div>
       <div class="cl"></div>
@@ -97,6 +98,11 @@
     </div>
     <div class="" id="reply_div_<%=  @topic.id %>">
       <% @replies.each_with_index  do |reply,i| %>
+          <script type="text/javascript">
+              $(function(){
+                  showNormalImage('reply_message_description_<%= reply.id %>');
+              });
+          </script>
           <div class="homepagePostReplyContainer" onmouseover="$('#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) %>
@@ -109,7 +115,9 @@
                     <%= link_to reply.try(:author).try(:realname), user_path(reply.author_id,:host=>Setting.host_user), :class => "newsBlue mr10 f14" %>
                 <% end %>
               </div>
-              <div class="homepagePostReplyContent upload_img break_word"><%= reply.content.html_safe%></div>
+              <div class="homepagePostReplyContent upload_img break_word" id="reply_message_description_<%= reply.id %>">
+                <%= reply.content.html_safe%>
+              </div>
               <div style="margin-top: -7px; margin-bottom: 5px">
                 <%= format_time(reply.created_on) %>
                 <div class="fr" id="reply_edit_menu_<%= reply.id%>" style="display: none">
diff --git a/app/views/messages/_reply_message.html.erb b/app/views/messages/_reply_message.html.erb
index 3e9550ee2..a859a088a 100644
--- a/app/views/messages/_reply_message.html.erb
+++ b/app/views/messages/_reply_message.html.erb
@@ -16,8 +16,8 @@
   <div class="ReplyToMessageInputContainer mb10">
     <div nhname='new_message_<%= reply.id%>'>
       <%= form_for @reply, :as => :reply, :url => {:action => 'reply', :id => @topic}, :html => {:multipart => true, :id => 'new_form'} do |f| %>
-          <input type="hidden" name="quote[quote]" value="<%= temp.content %>">
-          <input type="hidden" name="reply[subject]" value="<%= subject %>">
+          <input type="hidden" name="quote[quote]" id="quote_quote">
+          <input type="hidden" name="reply[subject]" id="reply_subject">
           <textarea placeholder="有问题或有建议，请直接给我留言吧！" style="display: none" nhname='new_message_textarea_<%= reply.id%>' name="reply[content]"></textarea>
           <div nhname='toolbar_container_<%= reply.id%>' style="float:left; margin-left: 5px; padding-top:3px;"></div>
           <a id="new_message_submit_btn_<%= reply.id%>" href="javascript:void(0)" class="blue_n_btn fr" style="display:none;margin-top:6px;">发送</a>
diff --git a/app/views/messages/quote.js.erb b/app/views/messages/quote.js.erb
index 78ba0c142..eee820c61 100644
--- a/app/views/messages/quote.js.erb
+++ b/app/views/messages/quote.js.erb
@@ -9,6 +9,8 @@ $("img").removeAttr("align");*/
 if($("#reply_message_<%= @message.id%>").length > 0) {
     $("#reply_message_<%= @message.id%>").replaceWith("<%= escape_javascript(render :partial => 'reply_message', :locals => {:reply => @message,:temp =>@temp,:subject =>@subject}) %>");
     $(function(){
+        $('#reply_subject').val("<%= raw escape_javascript(@subject) %>");
+        $('#quote_quote').val("<%= raw escape_javascript(@temp.content.html_safe) %>");
         init_activity_KindEditor_data(<%= @message.id%>,null,"85%");
     });
 }else if($("#reply_to_message_<%= @message.id%>").length >0) {
diff --git a/app/views/users/_course_journalsformessage.html.erb b/app/views/users/_course_journalsformessage.html.erb
index 93e7f0c29..dbf00ea19 100644
--- a/app/views/users/_course_journalsformessage.html.erb
+++ b/app/views/users/_course_journalsformessage.html.erb
@@ -48,6 +48,11 @@
         <div class="" id="reply_div_<%= user_activity_id %>">
           <ul>
             <% course.journals_for_messages.where('m_parent_id IS NULL').reorder("created_on desc").each do |comment| %>
+                <script type="text/javascript">
+                    $(function(){
+                        showNormalImage('reply_content_<%= comment.id %>');
+                    });
+                </script>
                 <% replies_all_i = replies_all_i + 1 %>
                 <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i > 3 ? 'none' : '' %>">
                   <div class="homepagePostReplyPortrait">
@@ -62,9 +67,14 @@
                       <% end %>
                       <%= format_time(comment.created_on) %>
                     </div>
-                    <div class="homepagePostReplyContent break_word list_style upload_img" id="reply_content_<%= user_activity_id %>">
+                    <div class="homepagePostReplyContent break_word list_style upload_img" id="reply_content_<%= comment.id %>">
                       <%= comment.notes.html_safe %></div>
                     <% fetch_user_leaveWord_reply(comment).each do |reply| unless fetch_user_leaveWord_reply(comment).nil? %>
+                        <script type="text/javascript">
+                            $(function(){
+                                showNormalImage('reply_to_content_<%= reply.id %>');
+                            });
+                        </script>
                         <div class="recall">
                           <div class="homepagePostReplyPortrait">
                             <%= link_to image_tag(url_to_avatar(reply.user), :width => "33", :height => "33", :class =>"mt8"), user_path(reply.user_id), :alt => "用户头像" %>
@@ -84,7 +94,7 @@
                                 <% end %>
                                 <%= format_time reply.created_on %>
                               </div>
-                            <div class="homepagePostReplyContent break_word list_style upload_img" style="max-width: 580px;" id="reply_content_<%= user_activity_id %>">
+                            <div class="homepagePostReplyContent break_word list_style upload_img" style="max-width: 580px;" id="reply_to_content_<%= reply.id %>">
                               <%= reply.notes.html_safe %></div>
                               <div class="cl"></div>
                           </div>
diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index 7fe15bd1e..7e5882dcd 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -77,6 +77,11 @@
         <div class="" id="reply_div_<%= user_activity_id %>">
           <ul>
             <% activity.children.reorder("created_on desc").each do |reply|%>
+                <script type="text/javascript">
+                  $(function(){
+                      showNormalImage('reply_content_<%= reply.id %>');
+                  });
+                </script>
                 <% replies_all_i=replies_all_i+1 %>
                 <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i>3 ? 'none' : '' %>">
                   <div class="homepagePostReplyPortrait">
@@ -91,7 +96,7 @@
                       <% end %>
                       <%= format_time(reply.created_on) %>
                     </div>
-                    <div class="homepagePostReplyContent break_word list_style upload_img" id="reply_content_<%= user_activity_id %>">
+                    <div class="homepagePostReplyContent break_word list_style upload_img" id="reply_content_<%= reply.id %>">
                       <%= reply.content.html_safe %>
                     </div>
                   </div>
@@ -102,6 +107,7 @@
         </div>
     <% end %>
 
+    <% if !activity.locked? && authorize_for_course('messages', 'reply') %>
     <div class="homepagePostReplyContainer borderBottomNone minHeight48">
       <div class="homepagePostReplyPortrait mr15 imageFuzzy" id="reply_image_<%= user_activity_id%>"><%= link_to image_tag(url_to_avatar(User.current), :width => "33", :height => "33"), user_path(activity.author_id), :alt => "用户头像" %></div>
       <div class="homepagePostReplyInputContainer  mb10">
@@ -121,5 +127,6 @@
       </div>
       <div class="cl"></div>
     </div>
+   <% end %>
   </div>
 </div>
diff --git a/app/views/users/_course_news.html.erb b/app/views/users/_course_news.html.erb
index c74b43031..11f9f44ed 100644
--- a/app/views/users/_course_news.html.erb
+++ b/app/views/users/_course_news.html.erb
@@ -46,6 +46,11 @@
         <div class="" id="reply_div_<%= user_activity_id %>">
           <ul>
             <% activity.comments.reorder("created_on desc").each do |comment| %>
+                <script type="text/javascript">
+                    $(function(){
+                        showNormalImage('reply_content_<%= comment.id %>');
+                    });
+                </script>
                 <% replies_all_i = replies_all_i + 1 %>
                 <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i > 3 ? 'none' : '' %>">
                   <div class="homepagePostReplyPortrait">
@@ -60,7 +65,7 @@
                       <% end %>
                       <%= format_time(comment.created_on) %>
                     </div>
-                    <div class="homepagePostReplyContent break_word list_style upload_img" id="reply_content_<%= user_activity_id %>">
+                    <div class="homepagePostReplyContent break_word list_style upload_img" id="reply_content_<%= comment.id %>">
                       <%= comment.comments.html_safe %></div>
                   </div>
                   <div class="cl"></div>
diff --git a/app/views/users/_project_issue.html.erb b/app/views/users/_project_issue.html.erb
index 34e840b50..8d0203563 100644
--- a/app/views/users/_project_issue.html.erb
+++ b/app/views/users/_project_issue.html.erb
@@ -83,6 +83,11 @@
         <div class="" id="reply_div_<%= user_activity_id %>">
           <ul>
             <% activity.journals.reorder("created_on desc").each do |reply| %>
+                <script type="text/javascript">
+                    $(function(){
+                        showNormalImage('reply_content_<%= reply.id %>');
+                    });
+                </script>
                 <% replies_all_i=replies_all_i + 1 %>
                 <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i>3 ? 'none' : '' %>">
                   <div class="homepagePostReplyPortrait">
@@ -97,7 +102,7 @@
                       <% end %>
                       <%= format_time(reply.created_on) %>
                     </div>
-                    <div class="homepagePostReplyContent break_word list_style upload_img" id="reply_content_<%= user_activity_id %>">
+                    <div class="homepagePostReplyContent break_word list_style upload_img" id="reply_content_<%= reply.id %>">
                       <% if reply.details.any? %>
                           <% details_to_strings(reply.details).each do |string| %>
                               <p><%= string %></p>
diff --git a/app/views/users/_project_message.html.erb b/app/views/users/_project_message.html.erb
index 1d0a5ce8c..0e3c38368 100644
--- a/app/views/users/_project_message.html.erb
+++ b/app/views/users/_project_message.html.erb
@@ -60,6 +60,11 @@
         <div class="" id="reply_div_<%= user_activity_id %>">
           <ul>
             <% activity.children.reorder("created_on desc").each do |reply| %>
+                <script type="text/javascript">
+                    $(function(){
+                        showNormalImage('reply_content_<%= reply.id %>');
+                    });
+                </script>
                 <% replies_all_i=replies_all_i+1 %>
                 <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i>3 ? 'none' : '' %>">
                   <div class="homepagePostReplyPortrait">
@@ -74,7 +79,7 @@
                       <% end %>
                       <%= format_time(reply.created_on) %>
                     </div>
-                    <div class="homepagePostReplyContent break_word list_style upload_img" id="reply_content_<%= user_activity_id %>">
+                    <div class="homepagePostReplyContent break_word list_style upload_img" id="reply_content_<%= reply.id %>">
                       <%= reply.content.html_safe %></div>
                   </div>
                   <div class="cl"></div>
diff --git a/app/views/users/_user_activities.html.erb b/app/views/users/_user_activities.html.erb
index dcb6cd9da..042a62ae2 100644
--- a/app/views/users/_user_activities.html.erb
+++ b/app/views/users/_user_activities.html.erb
@@ -37,27 +37,8 @@
             }
 
             $(function() {
-                init_activity_KindEditor_data(<%= user_activity.id%>,null,"87%");
-                var description_images=$("div#activity_description_<%= user_activity.id %>").find("img");
-                if (description_images.length>0) {
-                    for (var i=0; i<description_images.length; i++){
-                        var image=$(description_images[i]);
-                        var element=$("<a></a>").attr("href",image.attr('src'));
-                        image.wrap(element);
-                    }
-                }
-                $('#activity_description_<%= user_activity.id %> a').colorbox({rel:'nofollow', close: "关闭", returnFocus: false});
-
-                var reply_images=$("div#reply_content_<%= user_activity.id %>").find("img");
-                if (reply_images.length>0) {
-                    for (var i=0; i<reply_images.length; i++){
-                        var image=$(reply_images[i]);
-                        var element=$("<a></a>").attr("href",image.attr('src'));
-                        image.wrap(element);
-                    }
-                }
-                $('#reply_content_<%= user_activity.id %> a').colorbox({rel:'nofollow', close: "关闭", returnFocus: false});
-
+                init_activity_KindEditor_data(<%= user_activity.id%>, null, "87%");
+                showNormalImage('activity_description_<%= user_activity.id %>');
             });
         </script>
         <% act= user_activity.act unless user_activity.act_type == "ProjectCreateInfo" %>
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index 8e5e38ee4..4ab267c1a 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -952,3 +952,16 @@ $(document).ready(function () {
         $("pre").addClass("break_word");
     }
 });
+
+//点击图片即显示大图
+function showNormalImage(id) {
+    var description_images=$('div#'+id).find("img");
+    if (description_images.length>0) {
+        for (var i=0; i<description_images.length; i++){
+            var image=$(description_images[i]);
+            var element=$("<a></a>").attr("href",image.attr('src'));
+            image.wrap(element);
+        }
+    }
+    $('#'+id+' a').colorbox({rel:'nofollow', close: "关闭", returnFocus: false});
+}