diff --git a/app/views/student_work/_add_score.html.erb b/app/views/student_work/_add_score.html.erb
index e091e507d..bdfcff6e1 100644
--- a/app/views/student_work/_add_score.html.erb
+++ b/app/views/student_work/_add_score.html.erb
@@ -16,7 +16,7 @@
             <%= render :partial => 'student_work/student_work_attachment_form', :locals => {:work => work,:score => score} %>
           </div>
       <%end%>
-      <a href="javascript:void(0);" class="blue_n_btn fr" onclick="$(this).parent().parent().submit();">提交</a>
+      <a href="javascript:void(0);" class="blue_n_btn fr evaluation_submit" onclick="$(this).parent().parent().submit();">提交</a>
       <div class="cl"></div>
     </li>
 <% end%>
\ No newline at end of file
diff --git a/app/views/student_work/_show.html.erb b/app/views/student_work/_show.html.erb
index 3758ffedd..a04b5036b 100644
--- a/app/views/student_work/_show.html.erb
+++ b/app/views/student_work/_show.html.erb
@@ -54,7 +54,7 @@
 
   <% if @is_teacher || (@homework.homework_type == 1 && @homework.homework_detail_manual.comment_status == 2 && @work.user != User.current )%>
       <!-- 老师 || 匿评作业 && 开启匿评状态 && 不是当前用户自己的作品 -->
-      <div id="add_student_score_<%= @work.id%>" class="mt10    ">
+      <div id="add_student_score_<%= @work.id%>" class="mt10 evaluation">
         <%= render :partial => 'add_score',:locals => {:work => @work,:score => @score}%>
       </div>
   <% end%>
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index 85db8361d..0663dc905 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -671,6 +671,8 @@ input#score{ width:40px;}
 .ui-slider .ui-slider-range{position:absolute;z-index:1;font-size:.7em;display:block;border:0;top:0;height:100%;background:#64bdd9;left:0;}
 
 .filename { background: url(../images/pic_file.png) 0 -25px no-repeat;color: #3ca5c6;max-width: 150px;border: none; padding-left: 20px;margin-right: 10px;margin-bottom: 5px;}
+.evaluation{position: relative;}
+.evaluation_submit{position: absolute;right: 0px;bottom: 5px;}