diff --git a/app/jobs/cron_touch_sync_job.rb b/app/jobs/cron_touch_sync_job.rb
index c1d954b17..14ebe1367 100644
--- a/app/jobs/cron_touch_sync_job.rb
+++ b/app/jobs/cron_touch_sync_job.rb
@@ -3,7 +3,10 @@ class CronTouchSyncJob < ApplicationJob
 
   def perform
     puts "开始双向同步"
-    SyncRepositoryBranch.find_each do |sync_repository_branch|
+    project_ids = EduSetting.get("cron_sync_project_ids") || ""
+    project_ids_array = project_ids.split(",")
+
+    SyncRepositoryBranch.joins(:sync_repository).where(sync_repository: {project_id: project_ids_array}).find_each do |sync_repository_branch|
       TouchSyncJob.perform_now(sync_repository_branch)
     end
   end