#1301所有教师都能配置课程、发布作业

app/views/layouts/base_courses.html.erb

@@ -74,7 +74,7 @@
                 <td align="center">
                   <div id="join_in_course">
                     <% if User.current.logged? %>
-                        <% if @course.teacher.id == User.current.id %>
+                        <% if User.current.allowed_to?(:as_teacher,@course) %>
                             <%= link_to l(:label_course_modify_settings), {:controller => 'courses', :action => 'settings', :id => @course} %>
                             <%= render :partial => 'courses/set_course_time', :locals => {:course => @course} %>
                         <% else %>