优化base_head代码

app/views/layouts/_user_courses_list.html.erb

@@ -1,6 +1,6 @@
 <% if hasCourse %>
     <li  id="course_loggedas_li" style="white-space: nowrap;overflow: hidden;text-overflow: ellipsis;">
-      <%=link_to l(:label_my_course), "http://" + Setting.host_course + user_courses_user_path(User.current.id) %>
+      <%=link_to l(:label_my_course), user_courses_user_path(User.current.id) %>
       <ul class="course_sub_menu">
         <% course_index = 0 %>
         <% User.current.courses.each do |course| %>

app/views/layouts/_user_homework_list.html.erb

@@ -1,10 +1,10 @@
 <% if course %>
     <li id="homework_loggedas_li" style="white-space: nowrap;overflow: hidden;text-overflow: ellipsis;" title="<%=course.name%>" onmouseover="homeworkSlipMenuOver(<%= course.id%>);" onmouseout="homeworkSlipMenuOut(<%= course.id%>);">
-      <%= link_to course.name, "http://" + Setting.host_course + course_path(course.id) %>
+      <%= link_to course.name, course_path(course.id, host: Setting.host_course) %>
       <ul class="homework_sub_menu" id="homework_loggedas_ul_<%= course.id%>" style="top:<%= course_index * 28.1%>px;">
         <% course.homework_for_courses.map(&:bid).each do |bid| %>
             <li style="overflow: hidden;text-overflow: ellipsis;white-space: nowrap;" title="<%=bid.name%>">
-              <%= link_to bid.name, "http://" + Setting.host_course + course_for_bid_path(bid), :target => "_blank" %>
+              <%= link_to bid.name,  course_for_bid_path(bid, host: Setting.host_course), :target => "_blank" %>
             </li>
         <% end %>
       </ul>