解决作业留言和课程留言导致的bug

app/models/journals_for_message.rb

@@ -267,7 +267,7 @@ class JournalsForMessage < ActiveRecord::Base
 
   # 课程成员得分（英雄榜）
   def act_as_student_score
-    if !self.user.allowed_to?(:as_teacher, self.jour) 
+    if !self.user.allowed_to?(:as_teacher, self.jour) && self.jour_type == "Course"
       course_member_score(self.jour_id, self.user_id, "JournalForMessage")
     end
   end