课程导语从帖子中获取

app/models/course_activity.rb

@@ -67,8 +67,9 @@ class CourseActivity < ActiveRecord::Base
   # 导语
   def add_course_lead
     if self.course_act_type == "Course"
-      name = Redmine::Configuration['course_message_lead_subject']
-      content = Redmine::Configuration['course_message_lead_content']
+      lead_message = Message.find(12440)
+      name = lead_message.subject
+      content = lead_message.content
       # message的status状态为0为正常，为1表示创建课程时发送的message
       message = Message.create(:subject => name, :content => content, :board_id => self.course.boards.first.id, :author_id => self.course.tea_id , :sticky => true, :status => true )
       # 更新的目的是为了排序，因为该条动态的时间可能与课程创建的动态创建时间一直