diff --git a/app/controllers/ob_repository_syncs_controller.rb b/app/controllers/ob_repository_syncs_controller.rb
index d48cf1499..344a58355 100644
--- a/app/controllers/ob_repository_syncs_controller.rb
+++ b/app/controllers/ob_repository_syncs_controller.rb
@@ -48,6 +48,13 @@ class ObRepositorySyncsController < ApplicationController
   end
 
   def create_jobs
+    tip_exception "必须配置一个分支" if params[:github_branch].blank? && params[:gitee_branch].blank? && params[:gitlink_branch].blank?
+    ob_jobs = ObRepositorySyncJob.where(ob_repository_sync_id: @ob_repository_sync.id)
+    ob_jobs.where(job_type: params[:job_type]) if params[:job_type].present?
+    ob_jobs.where(github_branch: params[:github_branch]) if params[:github_branch].present?
+    ob_jobs.where(gitee_branch: params[:gitee_branch]) if params[:gitee_branch].present?
+    ob_jobs.where(gitlink_branch: params[:gitlink_branch]) if params[:gitlink_branch].present?
+    tip_exception "该分支组合已配置，不能重复！" if ob_jobs.count > 0
     service = ObRepositorySync::ApiService.new(@ob_repository_sync.name)
     res = service.create_projects_jobs(params)
     tip_exception "保存失败: #{res["msg"]}" if res["code"].to_s != "200"