diff --git a/ci/jenkinsfile/deploy2dev.groovy b/ci/jenkinsfile/deploy2dev.groovy
index 6e4a23cfe7ad4a3e5e7e9a5c38853bcdbefbf17f..47497e1648776ec0596037f814365bc91370baae 100644
--- a/ci/jenkinsfile/deploy2dev.groovy
+++ b/ci/jenkinsfile/deploy2dev.groovy
@@ -1,5 +1,5 @@
 try {
-    sh 'helm init --client-only --skip-refresh'
+    sh 'helm init --client-only --skip-refresh --stable-repo-url https://kubernetes.oss-cn-hangzhou.aliyuncs.com/charts'
     sh 'helm repo add milvus https://registry.zilliz.com/chartrepo/milvus'
     sh 'helm repo update'
     sh "helm install --set engine.image.repository=registry.zilliz.com/${PROJECT_NAME}/engine --set engine.image.tag=${DOCKER_VERSION} --set expose.type=clusterIP --name ${env.JOB_NAME}-${env.BUILD_NUMBER} --version 0.3.0 milvus/milvus-gpu"
diff --git a/ci/jenkinsfile/milvus_build.groovy b/ci/jenkinsfile/milvus_build.groovy
index ed07d2b992f33cd575ce40a340ea3217f6d92683..243b6dc2da4160c1aa91d18e7f92aac96f9fd06c 100644
--- a/ci/jenkinsfile/milvus_build.groovy
+++ b/ci/jenkinsfile/milvus_build.groovy
@@ -5,6 +5,8 @@ container('milvus-build-env') {
                 try {
                     checkout([$class: 'GitSCM', branches: [[name: "${SEMVER}"]], doGenerateSubmoduleConfigurations: false, extensions: [[$class: 'SubmoduleOption',disableSubmodules: false,parentCredentials: true,recursiveSubmodules: true,reference: '',trackingSubmodules: false]], submoduleCfg: [], userRemoteConfigs: [[credentialsId: "${params.GIT_USER}", url: "git@192.168.1.105:megasearch/milvus.git"]]])
                     dir ("cpp") {
+                        sh "git config --global user.email \"test@zilliz.com\""
+                        sh "git config --global user.name \"test\""
                         sh "./build.sh -t ${params.BUILD_TYPE} -u -c"
                     }
                 } catch (exc) {
diff --git a/ci/jenkinsfile/notify.groovy b/ci/jenkinsfile/notify.groovy
new file mode 100644
index 0000000000000000000000000000000000000000..0a257b8cd888b8899af629aa346da8f1f11466e8
--- /dev/null
+++ b/ci/jenkinsfile/notify.groovy
@@ -0,0 +1,15 @@
+def notify() {
+    if (!currentBuild.resultIsBetterOrEqualTo('SUCCESS')) {
+        // Send an email only if the build status has changed from green/unstable to red
+        emailext subject: '$DEFAULT_SUBJECT',
+        body: '$DEFAULT_CONTENT',
+        recipientProviders: [
+            [$class: 'DevelopersRecipientProvider'],
+            [$class: 'RequesterRecipientProvider']
+        ], 
+        replyTo: '$DEFAULT_REPLYTO',
+        to: '$DEFAULT_RECIPIENTS'
+    }
+}
+return this
+
diff --git a/ci/main_jenkinsfile b/ci/main_jenkinsfile
index c144c46685486945f94f24877bf50a73c3353849..1c7d8be75c366ecde12fb34064c120ac761310a9 100644
--- a/ci/main_jenkinsfile
+++ b/ci/main_jenkinsfile
@@ -232,6 +232,22 @@ spec:
     }
 
     post {
+        always {
+            script {
+                if (!currentBuild.resultIsBetterOrEqualTo('SUCCESS')) {
+                    // Send an email only if the build status has changed from green/unstable to red
+                    emailext subject: '$DEFAULT_SUBJECT',
+                    body: '$DEFAULT_CONTENT',
+                    recipientProviders: [
+                        [$class: 'DevelopersRecipientProvider'],
+                        [$class: 'RequesterRecipientProvider']
+                    ],
+                    replyTo: '$DEFAULT_REPLYTO',
+                    to: '$DEFAULT_RECIPIENTS'
+                }
+            }
+        }
+
         success {
             script {
                 updateGitlabCommitStatus name: 'CI/CD', state: 'success'