diff --git a/app/helpers/attachments_helper.rb b/app/helpers/attachments_helper.rb
index 50dd79a08..2e07421f8 100644
--- a/app/helpers/attachments_helper.rb
+++ b/app/helpers/attachments_helper.rb
@@ -34,6 +34,16 @@ module AttachmentsHelper
         :locals => {:attachments => container.attachments, :options => options, :thumbnails => (options[:thumbnails] && Setting.thumbnails_enabled?)}
     end
   end
+
+  def link_to_attachments_course(container, options = {})
+    options.assert_valid_keys(:author, :thumbnails)
+
+    if container.attachments.any?
+      options = {:deletable => container.attachments_deletable?, :author => true}.merge(options)
+      render :partial => 'attachments/course_file_links',
+             :locals => {:attachments => container.attachments, :options => options, :thumbnails => (options[:thumbnails] && Setting.thumbnails_enabled?)}
+    end
+  end
   
   def attach_delete(project)
     if User.current.logged? && (User.current.admin? || (!Member.where('user_id = ? and project_id = ?', User.current.id, project.bid.courses.first.id).first.nil? && (Member.where('user_id = ? and project_id = ?', User.current.id, project.bid.courses.first.id).first.roles&Role.where('id = ? or id = ?', 3, 7)).size >0) || project.user_id == User.current.id)
diff --git a/app/views/attachments/_course_file_links.html.erb b/app/views/attachments/_course_file_links.html.erb
new file mode 100644
index 000000000..d32025787
--- /dev/null
+++ b/app/views/attachments/_course_file_links.html.erb
@@ -0,0 +1,72 @@
+<div class="attachments" style="font-weight:normal;">
+  <% is_float ||= false %>
+  <% for attachment in attachments %>
+      <p style="width: 100%;white-space: nowrap;overflow: hidden;text-overflow: ellipsis;">
+        <%if is_float%>
+          <div style="max-width:55%;white-space: nowrap; overflow: hidden;  text-overflow: ellipsis;float: left;">
+      <% end%>
+      <span title="<%= attachment.filename%>" id = "attachment_">
+        <% if options[:length] %>
+          <%= link_to_short_attachment attachment, :class => ' link_file_board', :download => true,:length => options[:length] -%>
+        <% else %>
+          <%= link_to_short_attachment attachment, :class => ' link_file_board', :download => true -%>
+        <% end %>
+      </span>
+      <%if is_float%>
+          </div>
+      <% end%>
+
+      <% if attachment.is_text? %>
+          <%= link_to image_tag('magnifier.png'),
+                      :controller => 'attachments',
+                      :action => 'show',
+                      :id => attachment,
+                      :filename => attachment.filename%>
+      <% end %>
+      <span title="<%= attachment.description%>">
+    <%= h(truncate(" - #{attachment.description}", length: options[:length] ? options[:length]:15, omission: '...')) unless attachment.description.blank? %>
+  </span>
+  <span class="size">(
+    <%= number_to_human_size attachment.filesize %>)
+  </span>
+      <% if options[:deletable] %>
+          <% if attachment.container_type == 'HomeworkAttach' %>
+              <%= link_to image_tag('delete.png'), {:controller => 'attachments', :action => 'delete_homework', :id => attachment.id},
+                          :data => {:confirm => l(:text_are_you_sure)},
+                          :method => :delete,
+                          :class => 'delete delete-homework-icon',
+                          :remote => true,
+                          :title => l(:button_delete) %>
+          <% else %>
+              <%= link_to image_tag('delete.png'), attachment_path(attachment),
+                          :data => {:confirm => l(:text_are_you_sure)},
+                          :method => :delete,
+                          :class => 'delete',
+                          #:remote => true,
+                          #:id => "attachments_" + attachment.id.to_s,
+                          :title => l(:button_delete) %>
+          <% end %>
+      <% end %>
+      <% if options[:wrap] %>
+          <br/>
+          &nbsp;
+      <% end %>
+      <% if options[:author] %>
+    <span class="author" title="<%= attachment.author%>">
+      <%= link_to h(truncate(attachment.author.name, length: 10, omission: '...')),user_path(attachment.author) %>,
+      <%= format_time(attachment.created_on) %>
+    </span>
+      <% end %>
+      </p>
+  <% end %>
+  <% if defined?(thumbnails) && thumbnails %>
+      <% images = attachments.select(&:thumbnailable?) %>
+      <% if images.any? %>
+          <div class="thumbnails">
+            <% images.each do |attachment| %>
+                <div><%= thumbnail_tag(attachment) %></div>
+            <% end %>
+          </div>
+      <% end %>
+  <% end %>
+</div>
diff --git a/app/views/messages/_course_show.html.erb b/app/views/messages/_course_show.html.erb
index e79913380..d3d392c31 100644
--- a/app/views/messages/_course_show.html.erb
+++ b/app/views/messages/_course_show.html.erb
@@ -81,7 +81,7 @@
       ) if @message.course_destroyable_by?(User.current) %>
   <div class="cl"></div>
   <div class="talk_info mb10"><%= textilizable(@topic, :content) %></div>
-  <div class="talk_info mb10"><%= link_to_attachments @topic, :author => false %></div>
+  <div class="talk_info mb10"><%= link_to_attachments_course @topic, :author => false %></div>
   <!-- <a href="#" class=" link_file ml60">附件：爱覅俄方if.zip(27.5kB)</a>-->
   <div class="cl"></div>
   <% if User.current.logged? %>
@@ -109,7 +109,7 @@
               <span class="c_grey fr"><%= format_time(message.created_on) %></span>
               <div class="cl"></div>
               <%= textilizable message,:content,:attachments => message.attachments %>
-              <%= link_to_attachments message, :author => false %>
+              <%= link_to_attachments_course message, :author => false %>
             </div>
             <div class="ping_disfoot">
               <%= link_to(
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index 388f3a822..ae96ef066 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -370,7 +370,8 @@ span.add_attachment {font-size: 80%;line-height: 2.5em;}
 .ui-widget-header{border:1px solid #628db6;background:#759fcf url(jquery/images/ui-bg_gloss-wave_35_759fcf_500x100.png) 50% 50% repeat-x;color:#fff;font-weight:bold}
 .ui-corner-left,.ui-corner-tl{-moz-border-radius-topleft:4px;-webkit-border-top-left-radius:4px;-khtml-border-top-left-radius:4px;border-top-left-radius:4px}
 .link_file{ background:url(../images/pic_file.png) 0 7px no-repeat !important; padding-left:20px !important; color:#64bdd9 !important; }
-
+a:hover.link_file_board{ background:url(../images/pic_file.png) 0 -25px no-repeat; color:#3ca5c6;}
+a.link_file_board{ background:url(../images/pic_file.png) 0 3px no-repeat !important; padding-left:20px !important; color:#64bdd9 !important; }
 
 /* colorbox
 *******************************************************************************/