diff --git a/app/controllers/news_controller.rb b/app/controllers/news_controller.rb
index d5c248f77..5d83c1320 100644
--- a/app/controllers/news_controller.rb
+++ b/app/controllers/news_controller.rb
@@ -175,19 +175,19 @@ class NewsController < ApplicationController
           update_kindeditor_assets_owner ids,@news.id,OwnerTypeHelper::NEWS
         end
         # ������ض�̬�ļ�¼add start
-        teachers = searchTeacherAndAssistant(@course)
-        for teacher in teachers
-          if(teacher.user_id != User.current.id)
-            notify = ActivityNotify.new()
-            notify.activity_container_id = @course.id
-            notify.activity_container_type = 'Course'
-            notify.activity_id = @news.id
-            notify.activity_type = 'News'
-            notify.notify_to = teacher.user_id
-            notify.is_read = 0
-            notify.save()
-          end
-        end
+        # teachers = searchTeacherAndAssistant(@course)
+        # for teacher in teachers
+        #   if(teacher.user_id != User.current.id)
+        #     notify = ActivityNotify.new()
+        #     notify.activity_container_id = @course.id
+        #     notify.activity_container_type = 'Course'
+        #     notify.activity_id = @news.id
+        #     notify.activity_type = 'News'
+        #     notify.notify_to = teacher.user_id
+        #     notify.is_read = 0
+        #     notify.save()
+        #   end
+        # end
         # ������ض�̬�ļ�¼add end
         render_attachment_warning_if_needed(@news)
         flash[:notice] = l(:notice_successful_create)
diff --git a/app/views/memos/_praise_tread.html.erb b/app/views/memos/_praise_tread.html.erb
index 32b4a0ac0..5850cf50a 100644
--- a/app/views/memos/_praise_tread.html.erb
+++ b/app/views/memos/_praise_tread.html.erb
@@ -7,13 +7,13 @@
           <% if @is_valuate.size > 0 %> <!-- 评价过   1代表赞 0代表踩 -->
               <% @flag = @is_valuate.first.praise_or_tread %>
               <% if  @flag == 1 %> <!-- 顶过  --><!-- modified by bai -->
-                  <a href="javascript:void(0);" class="<%= @memo.author.id == User.current.id ? 'linkGrey2 postLikeIcon mr30':'linkGrey2 postLikeIcon' %>" title="<%= l(:label_issue_praise_over)%>" >   <%= get_praise_num(obj)%></a>
+                  <a href="javascript:void(0);" class="<%= @obj.author.id == User.current.id ? 'linkGrey2 postLikeIcon mr30':'linkGrey2 postLikeIcon' %>" title="<%= l(:label_issue_praise_over)%>" >   <%= get_praise_num(obj)%></a>
               <% end %>
           <% else %>
               <% if user_id == obj.author_id %>
 
                         <!--<%#= image_tag "/images/praise_tread/praise_true.png" , weight:"22px", height:"22px",:title => l(:label_issue_not_praise_over) %>-->
-                        <a href="javascript:void(0);" class="linkGrey2 postLikeIcon" title="<%= l(:label_issue_not_praise_over)%>" >   <%= get_praise_num(obj)%></a>
+                        <a href="javascript:void(0);" class="linkGrey2 postLikeIcon mr30" title="<%= l(:label_issue_not_praise_over)%>" >   <%= get_praise_num(obj)%></a>
 
               <% else %>
                   <!-- 积分少于2分不能踩帖 -->
diff --git a/app/views/memos/show.html.erb b/app/views/memos/show.html.erb
index aaf5a5846..4224d0987 100644
--- a/app/views/memos/show.html.erb
+++ b/app/views/memos/show.html.erb
@@ -33,7 +33,7 @@
 
     function del_confirm(){
         if(confirm('确认删除么?')){
-            $("#del_link").click();
+            $("#del_memo_link").click();
         }else{
 
         }
@@ -52,7 +52,7 @@
             <ul class="homepagePostSettiongText">
               <li><a href="<%= edit_forum_memo_path(@memo.forum,@memo)%>" class="postOptionLink">编辑</a></li>
               <li><a href="javascript:void(0);"  class="postOptionLink" onclick="del_confirm();">删除</a></li>
-              <li style="display: none"><a href="<%= forum_memo_path(@memo.forum,@memo) %>" data-method="delete" id="del_link" ></a></li>
+              <li style="display: none"><a href="<%= forum_memo_path(@memo.forum,@memo) %>" data-method="delete" id="del_memo_link" ></a></li>
             </ul>
           </li>
         </ul>
diff --git a/public/assets/kindeditor/plugins/emoticons/emoticons.js b/public/assets/kindeditor/plugins/emoticons/emoticons.js
index c89e0c6ee..b9dfec431 100644
--- a/public/assets/kindeditor/plugins/emoticons/emoticons.js
+++ b/public/assets/kindeditor/plugins/emoticons/emoticons.js
@@ -13,7 +13,7 @@ KindEditor.plugin('emoticons', function(K) {
 		allowPreview = self.allowPreviewEmoticons === undefined ? true : self.allowPreviewEmoticons,
 		currentPageNum = 1;
 	self.clickToolbar(name, function() {
-		this.edit.focus();//���û����� �����ȡ�������� ����_getSel()Ϊ�� ���� 
+		this.edit.focus();//���û����� �����ȡ�������� ����_getSel()Ϊ�� ���� 
 		var rows = 5, cols = 9, total = 135, startNum = 0,
 			cells = rows * cols, pages = Math.ceil(total / cells),
 			colsHalf = Math.floor(cols / 2),
@@ -55,6 +55,9 @@ KindEditor.plugin('emoticons', function(K) {
 				K(this).removeClass('ke-on');
 			});
 			cell.click(function(e) {
+                if(/^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*<\/\w*\>\s*$/.test(self.edit.html())){
+                    self.edit.html('');
+                }
 				self.insertHtml('<img src="' + path + num + '.gif" border="0" alt="" />').hideMenu().focus();
 				e.stop();
 			});
diff --git a/public/stylesheets/prettify.css b/public/stylesheets/prettify.css
index c7d16ffd4..2e750f076 100644
--- a/public/stylesheets/prettify.css
+++ b/public/stylesheets/prettify.css
@@ -75,3 +75,7 @@ li.L9 { background: #eee }
 /*.prettyprint .dec,*/
 /*.prettyprint .var { color: #A6E22E; }*/
 /*.prettyprint .pln { color: #66D9EF; }*/
+.memo-content pre {
+    white-space:pre !important;
+    word-wrap: break-word;
+}
\ No newline at end of file