diff --git a/app/views/avatar/_new_avatar_form.html.erb b/app/views/avatar/_new_avatar_form.html.erb
index de3bf2b65..2593bf1f5 100644
--- a/app/views/avatar/_new_avatar_form.html.erb
+++ b/app/views/avatar/_new_avatar_form.html.erb
@@ -1,10 +1,11 @@
 <a href="javascript:void(0)" class="upimg fl">
   <%= image_tag(url_to_avatar(source), id: "avatar_image", :width =>"60", :height =>"60",:alt=>"上传图片")%>
 </a>
-<a href="javascript:void(0)" class="upbtn fl" onclick="$('#upload_img').click();"><%= l(:button_upload_photo) %></a>
+<%#= link_to l(:button_delete_file),{:controller => :avatar,:action => :delete_image,:remote=>true,:source_type=> source.class,:source_id=>source.id},:confirm => l(:text_are_you_sure), :method => :post, :class => "upbtn fl" %>
+<a href="javascript:void(0)" class="upbtn fl" onclick="$('#upload_course_logo').click();"><%= l(:button_upload_photo) %></a>
 <%= file_field_tag 'avatar[image]',
-                   :id => "upload_img",
-                   :class => 'undis',
+                   :id => 'upload_course_logo',
+                   :class => 'undis upload_file',
                    :size => "1",
                    :multiple => true,
                    :data => {