diff --git a/lib/tasks/batch_user_add_projects.rake b/lib/tasks/batch_user_add_projects.rake
new file mode 100644
index 000000000..c2158117b
--- /dev/null
+++ b/lib/tasks/batch_user_add_projects.rake
@@ -0,0 +1,25 @@
+namespace :batch_user_add_projects do
+  desc "batch add projects"
+  task done: :environment do
+    user_id = ENV['user_id']
+    puts "user_id=================#{user_id}"
+    next if user_id.blank?
+    project_ids = Project.find_by_sql("SELECT id FROM projects WHERE forked_from_project_id IN (SELECT id FROM projects WHERE user_id IN (SELECT id FROM users WHERE login='OSKYCX'))").pluck(:id)
+    if ENV['project_id'].present?
+      project_ids = [ENV['project_id']]
+    end
+    next if project_ids.blank?
+    puts "project_ids=================#{project_ids}"
+    project_ids.each do |project_id|
+      begin
+        user = User.find_by(id: user_id)
+        next if user.blank?
+        project = Project.find_by(id: project_id)
+        next if project.blank?
+        Projects::AddMemberInteractor.call(project.owner, project, user, "admin")
+      rescue Exception => e
+        puts "batch add projects error: #{user_id}"
+      end
+    end
+  end
+end
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