1.修复作业界面点击所属任务链接出错的BUG

2.点击所属任务返回作业列表界面

app/views/homework_attach/show.html.erb

@@ -24,7 +24,7 @@
             发布人员：<%= link_to @homework.user, user_path(@homework.user)%>
           </td>
           <td style="width: 240px; word-wrap: break-word; word-break: break-all">
-            所属任务：<%= link_to(@homework.bid.name, project_for_bid_path(@homework.bid))%>
+            所属任务：<%= link_to(@homework.bid.name, course_for_bid_path(@homework.bid))%>
           </td>
         </tr>
         <tr>

app/views/layouts/_base_homework_attach.html.erb

@@ -9,7 +9,7 @@
       <td style="padding-left: 8px"><a><%= link_to request.host()+"/courses", :controller => 'courses', :action => 'index'%></a></td>
       <td><p class="top-content-list-homework"><%=link_to "主页", home_path %> > <%=link_to l(:label_course_practice), :controller => 'courses', :action => 'index' %> >
         <span><%= link_to(homework_attach.bid.courses.first.name.to_s, homework_course_path(homework_attach.bid.courses.first)) if homework_attach.bid.courses.first%></span> >
-        <%=link_to(homework_attach.bid.name, respond_path(homework_attach.bid)) %> > <span><%= link_to homework_attach.name.nil? ? homework_attach.attachments.first.filename : homework_attach.name,homework_attach_path(homework_attach)%></span></p></td>
+        <%=link_to(homework_attach.bid.name, course_for_bid_path(homework_attach.bid)) %> > <span><%= link_to homework_attach.name.nil? ? homework_attach.user.name + "提交的作业" : homework_attach.name,homework_attach_path(homework_attach)%></span></p></td>
     </tr>
   </table>
 </div>