diff --git a/app/controllers/tags_controller.rb b/app/controllers/tags_controller.rb
index 2a0d0445d..bb9a44104 100644
--- a/app/controllers/tags_controller.rb
+++ b/app/controllers/tags_controller.rb
@@ -382,7 +382,9 @@ class TagsController < ApplicationController
     when '8'
       return 'OpenSourceProject'
     when '9'
-        return 'Course'
+      return 'Course'
+    when '10'
+      return 'Attachment'
     else
       render_error :message => e.message
       return 
diff --git a/app/helpers/tags_helper.rb b/app/helpers/tags_helper.rb
index 17b68c3f6..284ee8c43 100644
--- a/app/helpers/tags_helper.rb
+++ b/app/helpers/tags_helper.rb
@@ -20,6 +20,8 @@ module TagsHelper
       @obj= Contest.find_by_id(obj_id)
     when '9'
       @obj= Course.find_by_id(obj_id)
+    when '10'
+      @obj = Attachment.find_by_id(obj_id)
     else
       raise Exception, '[TagsHelper] ===> tag type unknow.'
     end
diff --git a/app/views/tags/remove_tag.js.erb b/app/views/tags/remove_tag.js.erb
index b102776d5..b8c65c13e 100644
--- a/app/views/tags/remove_tag.js.erb
+++ b/app/views/tags/remove_tag.js.erb
@@ -9,6 +9,10 @@ $('#tags_show_issue').html('<%= escape_javascript(render :partial => 'tags/tag_n
 <% elsif @object_flag == '9'%>
     $('#tags_show').html('<%= escape_javascript(render :partial => 'tags/new_tag_name',
                      :locals => {:obj => @obj,:non_list_all => false,:object_flag =>  @object_flag}) %>');
+<% elsif  @object_flag == '10'%>
+$("#tags_show-<%=@obj.class%>-<%=@obj.id%>").empty();
+$("#tags_show-<%=@obj.class%>-<%=@obj.id%>").html('<%= escape_javascript(render :partial => 'tags/course_attachment_tag_name',
+                     :locals => {:obj => @obj,:non_list_all => false, :object_flag => @object_flag}) %>');
 <% else%>
 $('#tags_show').html('<%= escape_javascript(render :partial => 'tags/tag_name',
                      :locals => {:obj => @obj,:non_list_all => false,:object_flag =>  @object_flag}) %>');
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index e2ba02752..4d30ce369 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -109,7 +109,7 @@ a:hover.grey_btn{ background:#717171; color:#fff;}
 .re_top input{ float:left;}
 .re_search{ margin-top:7px; margin-left:5px;}
 .re_schbox{ width:240px; height:24px; border:1px solid #64bdd9; color:#666666;}
-.re_schbtn{ width:60px; height:26px;  color:#fff; margin-right:5px; border:none;  margin-left:0px; }
+.re_schbtn{ width:60px; height:26px;  color:#fff; margin-right:5px; border:none;  margin-left:0px;padding-left: 0px;}
 a.re_fabu { display:block; width:90px; height:30px; font-size:14px; color:#fff; text-align:center; padding-top:10px; }
 a:hover.re_fabu{background:#55a1b9;}
 .re_con{ margin:5px; width:665px;}