未配置课程的班级打开报500

app/helpers/courses_helper.rb

@@ -595,19 +595,19 @@ module CoursesHelper
   def get_acts_list_type type
     case type
       when "homework"
-        ">" + l(:label_homework_acts)
+        "> " + l(:label_homework_acts)
       when "news"
-        ">" + l(:label_news_acts)
+        "> " + l(:label_news_acts)
       when "attachment"
-        ">" + l(:label_attachment_acts)
+        "> " + l(:label_attachment_acts)
       when "message"
-        ">" + l(:label_message_acts)
+        "> " + l(:label_message_acts)
       when "journalsForMessage"
-        ">" + l(:label_journalsForMessage_acts)
+        "> " + l(:label_journalsForMessage_acts)
       when "poll"
-        ">" + l(:label_poll_acts)
+        "> " + l(:label_poll_acts)
       else
-        ">" + l(:label_all_cats)
+        "> " + l(:label_all_cats)
     end
   end
 

app/views/layouts/_course_base_info.html.erb

@@ -3,8 +3,10 @@
 <% student_num = studentCount(@course) %>
 <% course_file_num = visable_attachemnts_incourse(@course).count %>
 <p class="sy_cgrey mb10">
+  <% if @course.syllabus %>
       <%=link_to @course.syllabus.title, syllabus_path(@course.syllabus_id), :class => 'sy_cgrey' %>
       &nbsp;&gt;&nbsp;
+  <% end %>
   <%=link_to @course.name, course_path(@course), :class => 'sy_cgrey' %>
 </p>
 
@@ -16,7 +18,9 @@
             <li><%= link_to "班级配置", {:controller => 'courses', :action => 'settings', :id => @course}, :class => "postOptionLink" %></li>
             <li><%= link_to @course.is_public == 0 ? "设为公开" : "设为私有", {:controller => 'courses', :action => 'private_or_public', :id => @course},:remote=>true,:confirm=>"您确定要设置为"+(@course.is_public == 0 ? "公开" : "私有")+"吗", :class => "postOptionLink" %></li>
             <li><%= link_to "复制学期", copy_course_course_path(@course.id),:remote=>true, :class => "postOptionLink" %></li>
+            <% if @course.syllabus %>
                 <li><%= link_to "进入课程", syllabus_path(@course.syllabus), :class => "postOptionLink", :target => "_blank" %></li>
+            <% end %>
           </ul>
         </li>
       </ul>