点击作业，新打开一个tab页

app/views/homework_common/index.html.erb

@@ -16,9 +16,9 @@
     <div class="problem_main">
       <%= link_to(image_tag(url_to_avatar(homework.user), :width => "42", :height => "42"), user_path(homework.user), :class => "problem_pic fl") %>
       <div class="problem_txt fl mt5">
-        <%= link_to(homework.user.lastname+homework.user.firstname, user_path(homework.user),:class => 'problem_name fl') %>
+        <%= link_to(homework.user.lastname+homework.user.firstname, user_path(homework.user),:class => 'problem_name fl',:target => "_blank") %>
         <span class="fl"> <%= l(:label_user_create_project_homework) %>：</span>
-        <%= link_to(homework.name, student_work_index_path(:homework => homework.id), :class => 'problem_tit fl fb c_dblue') %>
+        <%= link_to(homework.name, student_work_index_path(:homework => homework.id), :class => 'problem_tit fl fb c_dblue',:target => "_blank") %>
         <div class="cl mb5"></div>
         <p class="fl ">
           <%= l(:lebel_homework_commit)%>