diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index 26d8df16f..49170bf30 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -364,19 +364,20 @@ class CoursesService
       latest_course_dynamics = []
       latest_news = course.news.order("created_on desc").first
       unless latest_news.nil?
-        latest_course_dynamics << {:type => 1,:time => latest_news.created_on,:message => l(:label_recently_updated_notification,:locale => get_user_language(current_user))}
+        latest_course_dynamics << {:type => 1,:time => latest_news.created_on,
+                                   :message =>latest_news.author.realname<< l(:label_recently_updated_notification,:locale => get_user_language(current_user))<<"："<< latest_news.title }
       end
       latest_message = course.journals_for_messages.order("created_on desc").first
       unless latest_message.nil?
-        latest_course_dynamics << {:type => 2,:time => latest_message.created_on,:message => l(:label_recently_updated_message,:locale => get_user_language(current_user))}
+        latest_course_dynamics << {:type => 2,:time => latest_message.created_on,:message =>latest_message.user.realname << l(:label_recently_updated_message,:locale => get_user_language(current_user))<<"："<<latest_message.notes}
       end
       latest_attachment = course.attachments.order("created_on desc").first
       unless latest_attachment.nil?
-        latest_course_dynamics << {:type => 3,:time => latest_attachment.created_on,:message => l(:label_recently_updated_courseware,:locale => get_user_language(current_user))}
+        latest_course_dynamics << {:type => 3,:time => latest_attachment.created_on,:message =>latest_attachment.author.realname<< l(:label_recently_updated_courseware,:locale => get_user_language(current_user))<<"："<<latest_attachment.filename}
       end
       latest_bid = course.homeworks.order('updated_on DESC').first
       unless latest_bid.nil?
-        latest_course_dynamics << {:type => 4,:time => latest_bid.updated_on,:message => l(:label_recently_updated_homework,:locale => get_user_language(current_user))}
+        latest_course_dynamics << {:type => 4,:time => latest_bid.updated_on,:message => latest_bid.author.realname<<l(:label_recently_updated_homework,:locale => get_user_language(current_user))<<"："<<latest_bid.name}
       end
 
       # Time 2015-04-07 14:58:30
@@ -416,7 +417,7 @@ class CoursesService
       end
       latest_homework_attach = homeworks.first
       unless latest_homework_attach.nil?
-        latest_course_dynamics << {:type => 4,:time => latest_homework_attach.updated_at,:message => l(:label_recently_updated_homework,:locale => get_user_language(current_user))}
+        latest_course_dynamics << {:type => 4,:time => latest_homework_attach.updated_at,:message =>latest_homework_attach.user.realname<< l(:label_recently_updated_homework,:locale => get_user_language(current_user))<<"："<<(latest_homework_attach.name.nil? ? latest_homework_attach.description : latest_homework_attach.name)}
       end
       latest_course_dynamics.sort!{|order,newer| newer[:time] <=> order[:time]}
       latest_course_dynamic = latest_course_dynamics.first