diff --git a/app/jobs/graduation_task_publish_notify_job.rb b/app/jobs/graduation_task_publish_notify_job.rb
index 16f5893ae..84049fe90 100644
--- a/app/jobs/graduation_task_publish_notify_job.rb
+++ b/app/jobs/graduation_task_publish_notify_job.rb
@@ -20,7 +20,7 @@ class GraduationTaskPublishNotifyJob < ApplicationJob
       viewed: 0, tiding_type: 'GraduationTask'
     }
     Tiding.bulk_insert(*attrs) do |worker|
-      course.course_members.pluck(:user_id).uniq.find_each do |user_id|
+      course.course_members.pluck(:user_id).uniq.each do |user_id|
         worker.add same_attrs.merge(user_id: user_id)
       end
     end