diff --git a/app/views/homework_common/index.html.erb b/app/views/homework_common/index.html.erb
index e4b63a536..e34cf0736 100644
--- a/app/views/homework_common/index.html.erb
+++ b/app/views/homework_common/index.html.erb
@@ -47,7 +47,7 @@
           <ul style="max-height:240px; overflow-y:auto; overflow-x:hidden;">
             <% @homework_commons.each_with_index do |homework_common,index |%>
                 <li class="pr10">
-                  <%= link_to "作业#{@homework_commons.count - index}：#{homework_common.name}",student_work_index_path(:homework => homework_common.id)%>
+                  <%= link_to "作业#{@homework_commons.count - index}：#{homework_common.name}",student_work_index_path(:homework => homework_common.id),:target=>"_blank"%>
                 </li>
             <% end%>
           </ul>