diff --git a/app/views/layouts/_user_courses.html.erb b/app/views/layouts/_user_courses.html.erb
index 2f43b36fa..1ba7e9483 100644
--- a/app/views/layouts/_user_courses.html.erb
+++ b/app/views/layouts/_user_courses.html.erb
@@ -2,7 +2,7 @@
     <li class="homepageLeftMenuCoursesLine pr">
       <% is_teacher = User.current.logged? && (User.current.admin? || User.current.allowed_to?(:as_teacher,course)) %>
       <%= link_to course.name, course_path(course.id,:host=>Setting.host_course), :class => "coursesLineGrey hidden #{course_endTime_timeout?(course) ? 'c_dark_grey' : ''}",
-                  :title => (course.is_public? ? "公开课程：":"私有课程：")+course.name+"（"+course.time.to_s+course.term+"）"%>
+                  :id => "show_course_#{course.id}",:title => (course.is_public? ? "公开课程：":"私有课程：")+course.name+"（"+course.time.to_s+course.term+"）"%>
         <% count = ShieldActivity.where("container_type='User' and container_id=#{user.id} and shield_type='Course' and shield_id=#{course.id}").count %>
         <ul class="<%= count > 0 ? 'shild shildP':'subNavArrow'%>">
           <li>