diff --git a/app/views/files/_course_list.html.erb b/app/views/files/_course_list.html.erb
index 42f51e07a..888910ac1 100644
--- a/app/views/files/_course_list.html.erb
+++ b/app/views/files/_course_list.html.erb
@@ -25,27 +25,27 @@
   <% if file.is_public? || User.current.member_of_course?(course) %>
     <div class="re_con_box">
       <div class="">
-        <%= link_to_attachment file, :download => true,:text => truncate(file.filename,length: 35, omission: '...'), :title => file.filename+"\n"+file.description.to_s, :style => "overflow: hidden; white-space: nowrap;text-overflow: ellipsis;",:class => "c_dblue f_14 f_b f_l" %>
+        <%= link_to_attachment file, :download => true,:text => truncate(file.filename,length: 35, omission: '...'), :title => file.filename+"\n"+file.description.to_s,:class => "c_dblue f_14 f_b f_l hiddent" %>
         <% if User.current.logged? %>
           <% if (is_course_teacher(User.current,@course) || file.author_id == User.current.id) && course_contains_attachment?(@course,file) %>
-            <%= link_to("选入我的其他课程",quote_resource_show_course_file_path(@course,file),:class => "f_l re_select",:remote => true) if has_course?(User.current,file) %>
+            <%= link_to("选入我的其他课程",quote_resource_show_course_file_path(@course,file),:class => "f_l re_select c_lorange",:remote => true) if has_course?(User.current,file) %>
 
             <% if delete_allowed && file.container_id == @course.id && file.container_type == "Course"  %>
               <span id="is_public_<%= file.id %>">
-                <%= link_to (file.is_public? ? "公开":"私有"), update_file_dense_attachments_path(:attachmentid=>file.id,:newtype=>(file.is_public? ? 0:1)),:remote=>true,:class=>"f_l re_open",:method => :post  %>
+                <%= link_to (file.is_public? ? "公开":"私有"), update_file_dense_attachments_path(:attachmentid=>file.id,:newtype=>(file.is_public? ? 0:1)),:remote=>true,:class=>"f_l re_open c_blue",:method => :post  %>
               </span>
             <% else %>
               <!--  <#%= link_to (file.is_public? ? "公开":"私有"),"javascript:void(0)",:class=>"f_l re_open" %> -->
             <% end %>
           <% else %>
-           <%= link_to("选入我的课程",quote_resource_show_course_file_path(@course,file),:class => "f_l re_select",:remote => true) if has_course?(User.current,file) %>
+           <%= link_to("选入我的课程",quote_resource_show_course_file_path(@course,file),:class => "f_l re_select c_lorange",:remote => true) if has_course?(User.current,file) %>
           <% end %>
         <% else %>
         <% end %>
       </div>
       <div class="cl"></div>
       <div class="">
-        <p class="f_l c_grey02 font">文件大小：<%= number_to_human_size(file.filesize) %></p>
+        <p class="f_l mb5 c_grey02">文件大小：<%= number_to_human_size(file.filesize) %></p>
         <%= link_to( l(:button_delete), attachment_path(file),
                      :data => {:confirm => l(:text_are_you_sure)}, :method => :delete,:class => "f_r re_de") if delete_allowed && file.container_id == @course.id && file.container_type == "Course"%>
         <p class="f_r c_grey02" ><%= time_tag(file.created_on).html_safe %><%= l(:label_bids_published_ago) %>&nbsp;&nbsp;|&nbsp;&nbsp;下载<%= file.downloads %>&nbsp;&nbsp;|&nbsp;&nbsp;引用<%= file.quotes.nil? ? 0:file.quotes  %> </p>