diff --git a/pipline_script.jenkinsfile b/pipline_script.jenkinsfile
index 11d7730..af8e4d2 100644
--- a/pipline_script.jenkinsfile
+++ b/pipline_script.jenkinsfile
@@ -38,18 +38,18 @@ pipeline {
                     git config --global user.name "junghun_test"
                     git clone https://root:platformps@gitlab.dev-cloudps.com/root/appyaml.git
                     '''
-                    dir(appyaml) {
+                    dir('appyaml') {
                         sh 'ls -l'
                         sh 'pwd'
-                        sh '''
+                        sh """
                         rm -rf app.yaml
                         cp app.yaml.template app.yaml
-                        sed -i 's@{{URL}}@harbor.dev-cloudps.com/reviews/reviews:${BUILD_NUMBER}@' app.yaml
+                        sed -i 's|{{URL}}|harbor.dev-cloudps.com/reviews/reviews:${BUILD_NUMBER}|' app.yaml
                         git add *
                         git status
                         git commit -m 'Images & Version Changed'
                         git push -u origin master
-                        ''' 
+                        """
                         }                 
                 }
             }