diff --git a/lib/tasks/sync_projects_by_forked_project.rake b/lib/tasks/sync_projects_by_forked_project.rake
index 0e7876974..d6cd1f210 100644
--- a/lib/tasks/sync_projects_by_forked_project.rake
+++ b/lib/tasks/sync_projects_by_forked_project.rake
@@ -2,9 +2,13 @@ namespace :sync_projects_by_forked_project do
   desc "sync projects is_public by forked project"
   task is_public: :environment do 
     count = 0
-    Project.where.not(forked_from_project_id: nil).find_each do |project|
-      project.update(is_public: project&.forked_from_project&.is_public)
-      count +=1
+    Project.where.not(forked_from_project_id: nil).group(:forked_from_project_id).count.each do |k, _|
+      project = Project.find_by_id(k)
+      need_update_forked_projects = Project.where(forked_from_project_id: k)
+      need_update_forked_projects.update_all(is_public: project&.is_public)
+      need_update_forked_repositories = Repository.where(project_id: need_update_forked_projects.ids)
+      need_update_forked_repositories.update_all(hidden: !project&.is_public)
+      count +=need_update_forked_projects.size
     end
     puts "共同步了#{count}个项目"
   end