diff --git a/Jenkinsfile b/Jenkinsfile
index 0e6ed96..a640b31 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -4,7 +4,9 @@ pipeline {
     stages {
         stage('Checkout') {
             steps {
-                git url: 'http://47.95.203.241:3000/ReeseLin/golang-dy-back.git',
+                git 
+                    git branch: 'main',
+                    url: 'http://47.95.203.241:3000/ReeseLin/golang-dy-back.git',
                     credentialsId: '932fcb89-1c39-4005-b664-15e862f09e20'
             }
         }