diff --git a/ci/jenkins/Jenkinsfile b/ci/jenkins/Jenkinsfile
index 67bff5ac1ed780cc20004b1f7eb9770b36bcbc64..40d9686415d424715151a2182706aae05ec476f0 100644
--- a/ci/jenkins/Jenkinsfile
+++ b/ci/jenkins/Jenkinsfile
@@ -1,3 +1,5 @@
+#!/usr/bin/env groovy
+
 String cron_timezone = "TZ=Asia/Shanghai"
 String cron_string = BRANCH_NAME == "master" ? "H 0 * * * " : ""
 cron_string =  BRANCH_NAME == "0.5.1" ? "H 1 * * * " : cron_string
@@ -16,7 +18,6 @@ pipeline {
 
     parameters{
         choice choices: ['Release', 'Debug'], description: '', name: 'BUILD_TYPE'
-        string defaultValue: 'cf1434e7-5a4b-4d25-82e8-88d667aef9e5', description: 'GIT CREDENTIALS ID', name: 'GIT_CREDENTIALS_ID', trim: true
         string defaultValue: 'registry.zilliz.com', description: 'DOCKER REGISTRY URL', name: 'DOKCER_REGISTRY_URL', trim: true
         string defaultValue: 'ba070c98-c8cc-4f7c-b657-897715f359fc', description: 'DOCKER CREDENTIALS ID', name: 'DOCKER_CREDENTIALS_ID', trim: true
         string defaultValue: 'http://192.168.1.202/artifactory/milvus', description: 'JFROG ARTFACTORY URL', name: 'JFROG_ARTFACTORY_URL', trim: true
@@ -56,7 +57,7 @@ pipeline {
                             steps {
                                 container('milvus-build-env') {
                                     script {
-                                        load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/build.groovy"
+                                        load "${env.WORKSPACE}/ci/jenkins/step/build.groovy"
                                     }
                                 }
                             }
@@ -65,7 +66,7 @@ pipeline {
                             steps {
                                 container('milvus-build-env') {
                                     script {
-                                        load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/coverage.groovy"
+                                        load "${env.WORKSPACE}/ci/jenkins/step/coverage.groovy"
                                     }
                                 }
                             }
@@ -74,7 +75,7 @@ pipeline {
                             steps {
                                 container('milvus-build-env') {
                                     script {
-                                        load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/package.groovy"
+                                        load "${env.WORKSPACE}/ci/jenkins/step/package.groovy"
                                     }
                                 }
                             }
@@ -96,7 +97,7 @@ pipeline {
                             steps {
                                 container('publish-images'){
                                     script {
-                                        load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/publishImages.groovy"
+                                        load "${env.WORKSPACE}/ci/jenkins/step/publishImages.groovy"
                                     }
                                 }
                             }
@@ -118,7 +119,7 @@ pipeline {
                             steps {
                                 container('milvus-test-env') {
                                     script {
-                                        load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/deploySingle2Dev.groovy"
+                                        load "${env.WORKSPACE}/ci/jenkins/step/deploySingle2Dev.groovy"
                                     }
                                 }
                             }
@@ -130,9 +131,9 @@ pipeline {
                                     script {
                                         boolean isNightlyTest = isTimeTriggeredBuild()
                                         if (isNightlyTest) {
-                                            load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/singleDevNightlyTest.groovy"
+                                            load "${env.WORKSPACE}/ci/jenkins/step/singleDevNightlyTest.groovy"
                                         } else {
-                                            load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/singleDevTest.groovy"
+                                            load "${env.WORKSPACE}/ci/jenkins/step/singleDevTest.groovy"
                                         }
                                     }
                                 }
@@ -143,7 +144,7 @@ pipeline {
                             steps {
                                 container('milvus-test-env') {
                                     script {
-                                        load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/cleanupSingleDev.groovy"
+                                        load "${env.WORKSPACE}/ci/jenkins/step/cleanupSingleDev.groovy"
                                     }
                                 }
                             }
@@ -153,7 +154,7 @@ pipeline {
                         unsuccessful {
                             container('milvus-test-env') {
                                 script {
-                                    load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/cleanupSingleDev.groovy"
+                                    load "${env.WORKSPACE}/ci/jenkins/step/cleanupSingleDev.groovy"
                                 }
                             }
                         }
diff --git a/ci/jenkins/jenkinsfile/build.groovy b/ci/jenkins/step/build.groovy
similarity index 100%
rename from ci/jenkins/jenkinsfile/build.groovy
rename to ci/jenkins/step/build.groovy
diff --git a/ci/jenkins/jenkinsfile/cleanupSingleDev.groovy b/ci/jenkins/step/cleanupSingleDev.groovy
similarity index 100%
rename from ci/jenkins/jenkinsfile/cleanupSingleDev.groovy
rename to ci/jenkins/step/cleanupSingleDev.groovy
diff --git a/ci/jenkins/jenkinsfile/coverage.groovy b/ci/jenkins/step/coverage.groovy
similarity index 100%
rename from ci/jenkins/jenkinsfile/coverage.groovy
rename to ci/jenkins/step/coverage.groovy
diff --git a/ci/jenkins/jenkinsfile/deploySingle2Dev.groovy b/ci/jenkins/step/deploySingle2Dev.groovy
similarity index 57%
rename from ci/jenkins/jenkinsfile/deploySingle2Dev.groovy
rename to ci/jenkins/step/deploySingle2Dev.groovy
index bc6c6f443812d8ec778dab361896b7ff0d29f764..f4964df5e23530e5091e998229dd3bcab8499a64 100644
--- a/ci/jenkins/jenkinsfile/deploySingle2Dev.groovy
+++ b/ci/jenkins/step/deploySingle2Dev.groovy
@@ -1,7 +1,7 @@
 sh 'helm init --client-only --skip-refresh --stable-repo-url https://kubernetes.oss-cn-hangzhou.aliyuncs.com/charts'
 sh 'helm repo update'
 dir ('milvus-helm') {
-    checkout([$class: 'GitSCM', branches: [[name: "0.5.0"]], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: "${params.GIT_CREDENTIALS_ID}", url: "https://github.com/milvus-io/milvus-helm.git", name: 'origin', refspec: "+refs/heads/0.5.0:refs/remotes/origin/0.5.0"]]])
+    checkout([$class: 'GitSCM', branches: [[name: "0.5.0"]], userRemoteConfigs: [[url: "https://github.com/milvus-io/milvus-helm.git", name: 'origin', refspec: "+refs/heads/0.5.0:refs/remotes/origin/0.5.0"]]])
     dir ("milvus-gpu") {
         sh "helm install --wait --timeout 300 --set engine.image.tag=${DOCKER_VERSION} --set expose.type=clusterIP --name ${env.PIPELINE_NAME}-${env.BUILD_NUMBER}-single-gpu -f ci/db_backend/sqlite_values.yaml -f ci/filebeat/values.yaml --namespace milvus ."
     }
diff --git a/ci/jenkins/jenkinsfile/package.groovy b/ci/jenkins/step/package.groovy
similarity index 100%
rename from ci/jenkins/jenkinsfile/package.groovy
rename to ci/jenkins/step/package.groovy
diff --git a/ci/jenkins/jenkinsfile/publishImages.groovy b/ci/jenkins/step/publishImages.groovy
similarity index 100%
rename from ci/jenkins/jenkinsfile/publishImages.groovy
rename to ci/jenkins/step/publishImages.groovy
diff --git a/ci/jenkins/jenkinsfile/singleDevNightlyTest.groovy b/ci/jenkins/step/singleDevNightlyTest.groovy
similarity index 79%
rename from ci/jenkins/jenkinsfile/singleDevNightlyTest.groovy
rename to ci/jenkins/step/singleDevNightlyTest.groovy
index 5140ad858f4ecac6b891aab15126d2faf8fbde15..9aeab2eb4e3bb10acc86021d20a78a1c0d7f4e85 100644
--- a/ci/jenkins/jenkinsfile/singleDevNightlyTest.groovy
+++ b/ci/jenkins/step/singleDevNightlyTest.groovy
@@ -8,7 +8,7 @@ timeout(time: 90, unit: 'MINUTES') {
 
     if (!fileExists('milvus-helm')) {
         dir ("milvus-helm") {
-            checkout([$class: 'GitSCM', branches: [[name: "0.5.0"]], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: "${params.GIT_CREDENTIALS_ID}", url: "https://github.com/milvus-io/milvus-helm.git", name: 'origin', refspec: "+refs/heads/0.5.0:refs/remotes/origin/0.5.0"]]])
+            checkout([$class: 'GitSCM', branches: [[name: "0.5.0"]], userRemoteConfigs: [[url: "https://github.com/milvus-io/milvus-helm.git", name: 'origin', refspec: "+refs/heads/0.5.0:refs/remotes/origin/0.5.0"]]])
         }
     }
     dir ("milvus-helm") {
diff --git a/ci/jenkins/jenkinsfile/singleDevTest.groovy b/ci/jenkins/step/singleDevTest.groovy
similarity index 81%
rename from ci/jenkins/jenkinsfile/singleDevTest.groovy
rename to ci/jenkins/step/singleDevTest.groovy
index 16fe65a9b3b4dd400ccee917a0dad3adac109645..86e6f126d901045bef7d5368b0eddf44decd3762 100644
--- a/ci/jenkins/jenkinsfile/singleDevTest.groovy
+++ b/ci/jenkins/step/singleDevTest.groovy
@@ -10,7 +10,7 @@ timeout(time: 60, unit: 'MINUTES') {
 
     // if (!fileExists('milvus-helm')) {
     //     dir ("milvus-helm") {
-    //         checkout([$class: 'GitSCM', branches: [[name: "0.5.0"]], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: "${params.GIT_CREDENTIALS_ID}", url: "https://github.com/milvus-io/milvus-helm.git", name: 'origin', refspec: "+refs/heads/0.5.0:refs/remotes/origin/0.5.0"]]])
+    //         checkout([$class: 'GitSCM', branches: [[name: "0.5.0"]], userRemoteConfigs: [[url: "https://github.com/milvus-io/milvus-helm.git", name: 'origin', refspec: "+refs/heads/0.5.0:refs/remotes/origin/0.5.0"]]])
     //     }
     // }
     // dir ("milvus-helm") {