课程列表中，自己的课程没星号标志问题

app/helpers/courses_helper.rb

@@ -219,7 +219,7 @@ module CoursesHelper
 
   def render_course_hierarchy(courses)
     render_course_nested_lists(courses) do |course|
-      s = link_to_course(course, {}, :class => "#{course.css_classes} #{User.current.member_of?(course) ? 'my-course' : nil}").html_safe
+      s = link_to_course(course, {}, :class => "#{course.css_classes} #{User.current.member_of_course?(course) ? 'my-course' : nil}").html_safe
       s
     end
   end

app/views/courses/_course.html.erb

@@ -15,7 +15,7 @@
               <%= l(:label_private) %>
             </span>
         <% end %>
-		<%= content_tag('span', link_to("#{@course.name}", course_path(@course), :class => "info"))%>
+		<%= content_tag('span', link_to("#{@course.name}", course_path(@course), :class => "info #{User.current.member_of_course?(@course) ? 'my-project' : nil}"))%>
 	</p>
 	<p >
 		<%= content_tag('span', "#{l(:label_institution_name)}:", :class => "course-font")%>