diff --git a/Jenkinsfile b/Jenkinsfile
index a5af4b8..d352a21 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,6 +1,5 @@
 node{
 stage("build"){
-echo "nitta-lab"
-checkout scm
+sh 'ls'
 }
 }