diff --git a/app/views/files/index.html.erb b/app/views/files/index.html.erb
index 769f85ce8..31625fc33 100644
--- a/app/views/files/index.html.erb
+++ b/app/views/files/index.html.erb
@@ -119,8 +119,8 @@ div.pagination{
   <div class="clearfix"></div>
   <div id="file_buttons" class="nhidden">
     <%#= link_to('上传文件', new_project_file_path(@project), :class => 'icon m5p5 button_submit') if User.current.allowed_to?(:manage_files, @project) %>
-    <%= link_to('上传文件', 'javascript:void(0);', :class => 'icon m5p5 button_submit', :onclick => "$('#upload_file_div').slideToggle('slow');") if User.current.allowed_to?(:manage_files, @project) %>
-    <%= link_to('关联已有文件', 'javascript:void(0);', :onclick => "$('#relation_file_div').slideToggle();", :class => 'icon m5p5 button_submit') if User.current.allowed_to?(:manage_files, @project) %>
+    <%= link_to('上传文件', 'javascript:void(0);', :class => 'icon m5p5 button_submit', :onclick => "$('#relation_file_div').slideUp();$('#upload_file_div').slideToggle('slow');") if User.current.allowed_to?(:manage_files, @project) %>
+    <%= link_to('关联已有文件', 'javascript:void(0);', :onclick => "$('#upload_file_div').slideUp();$('#relation_file_div').slideToggle();", :class => 'icon m5p5 button_submit') if User.current.allowed_to?(:manage_files, @project) %>
     <div id="upload_file_div" class="relation_file_div hidden" >
       <%= render :partial => 'new', locals: {project: @project}%>
     </div> 
@@ -149,6 +149,7 @@ div.pagination{
         </div>
       <% end -%>  
       </fieldset>
+      <div class="line_under" style="margin:20px 0px;"></div>
   </div>
   </div>