diff --git a/Jenkinsfile b/Jenkinsfile
index fc67ba1..1bb1943 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -13,7 +13,7 @@ pipeline {
                 branch '**/delta'
             }
             steps {
-                checkout([$class: 'GitSCM', branches: [[name: '*/master']], extensions: [], userRemoteConfigs: [[credentialsId: '359ebf7c-e2b9-45ec-992c-ff8d5549deb6', url: 'git@dev.sys.reslate.xyz:ydeng/rsemcs.git']]])
+                sh 'git checkout master'
                 sh 'git merge --strategy-option theirs origin/delta'
                 sshagent(['359ebf7c-e2b9-45ec-992c-ff8d5549deb6']) {
                     sh 'git push origin master'