diff --git a/app/services/syllabuses_service.rb b/app/services/syllabuses_service.rb
index d0bf816ec..b3190182c 100644
--- a/app/services/syllabuses_service.rb
+++ b/app/services/syllabuses_service.rb
@@ -48,7 +48,7 @@ class SyllabusesService
     syllabuses = Syllabus.where("id in #{syllabus_ids} or user_id = #{user.id}").order("updated_at desc")
 
     syllabuses.each do |syllabus|
-      syllabus.courses = syllabus.courses.not_deleted
+      syllabus.courses = courses.where("syllabus_id = #{syllabus.id}").select("courses.*,(SELECT MAX(updated_at)  FROM `course_activities` WHERE course_activities.course_id = courses.id) AS updatetime").order("time desc")
     end
 
     syllabuses.to_a << other