diff --git a/Jenkinsfile b/Jenkinsfile
index 2ea765759059ecb6dfc8d8136c0f00c0cbb9ddff..539a37af4fcf1fb83911ed0b7ac865600b8de73b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -43,7 +43,15 @@ def pre_test(){
     git checkout develop
     git pull
     git fetch
+    '''
+    catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
+                sh '''
+                git branch -D ${CHANGE_BRANCH}
+                '''
+    }
+    
     git checkout ${CHANGE_BRANCH}
+    git pull
     git merge develop
     cd ${WK}
     git reset --hard