diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index 46428d5e8..c310087f7 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -191,7 +191,8 @@ class AttachmentsController < ApplicationController
       if !@attachment.container.nil? &&
          (@attachment.container.is_a?(Course) || ((@attachment.container.has_attribute?(:course) || @attachment.container.has_attribute?(:course_id) )  &&
          @attachment.container.course ) || ((@attachment.container.has_attribute?(:board) || @attachment.container.has_attribute?(:board_id)) &&
-         @attachment.container.board && @attachment.container.board.course ) || @attachment.container.is_a?(StudentWorksScore) ||  @attachment.container.is_a?(HomeworkCommon))
+         @attachment.container.board && @attachment.container.board.course ) || @attachment.container.is_a?(StudentWorksScore) ||  @attachment.container.is_a?(HomeworkCommon) ||
+         @attachment.container.is_a?(StudentWork))
         if @attachment.container.is_a?(News)
           format.html { redirect_to_referer_or news_path(@attachment.container) }
         elsif @attachment.container.is_a?(StudentWorksScore)
@@ -200,6 +201,9 @@ class AttachmentsController < ApplicationController
         elsif @attachment.container.is_a?(HomeworkCommon)
           @is_destroy = true #根据ID删除页面对应的数据，js刷新页面
           format.js
+        elsif @attachment.container.is_a?(StudentWork)
+          @is_destroy = true #根据ID删除页面对应的数据，js刷新页面
+          format.js
         elsif @attachment.container.is_a?(Message)
           format.html { redirect_to_referer_or new_board_message_path(@attachment.container) }
         elsif @course.nil?
diff --git a/app/views/student_work/_show.html.erb b/app/views/student_work/_show.html.erb
index 603875d5b..4e9f337c0 100644
--- a/app/views/student_work/_show.html.erb
+++ b/app/views/student_work/_show.html.erb
@@ -60,7 +60,7 @@
   <% end%>
 </ul>
 
-<div class="ping_box" id="score_list_<%= @work.id%>" style="<%= @work.student_works_scores.empty? ? 'padding:0px;' : ''%>">
+<div class="ping_box mt10" id="score_list_<%= @work.id%>" style="<%= @work.student_works_scores.empty? ? 'padding:0px;' : ''%>">
   <%@work.student_works_scores.order("created_at desc").each do |score|%>
       <div id="work_score_<%= score.id%>">
         <%= render :partial => 'student_work_score',:locals => {:score => score}%>
diff --git a/app/views/student_work/_work_attachments.html.erb b/app/views/student_work/_work_attachments.html.erb
index 373b84b74..f303897bc 100644
--- a/app/views/student_work/_work_attachments.html.erb
+++ b/app/views/student_work/_work_attachments.html.erb
@@ -1,7 +1,7 @@
 <% attachments.each_with_index do |attachment,i| %>
     <div id="attachment_<%= attachment.id%>">
       <%= link_to_short_attachment attachment, :class => 'link_file', :download => true -%>
-      <%= link_to('&nbsp;'.html_safe, attachment_path(attachment, :format => 'js'), :method => 'delete', :remote => true, :title => '删除', :class => 'remove-upload') if attachment.id && User.current == attachment.author %>
+      <%= link_to('&nbsp;'.html_safe, attachment_path(attachment, :format => 'js'), :method => 'delete', :remote => true, :title => '删除', :class => 'remove-upload', :confirm => l(:text_are_you_sure)) if attachment.id && User.current == attachment.author %>
       <span class="ml5">(<%= number_to_human_size attachment.filesize %>)</span>
       <div class="cl"></div>
     </div>