diff --git a/Jenkinsfile-online b/Jenkinsfile-online
index dec0cebff..2e196a852 100644
--- a/Jenkinsfile-online
+++ b/Jenkinsfile-online
@@ -1,4 +1,7 @@
 pipeline {
+  options {
+    buildDiscarder(logRotator(numToKeepStr: '1', artifactNumToKeepStr: '1'))
+   }
   agent {
     node {
       label 'maven'
@@ -14,8 +17,8 @@ pipeline {
         GITHUB_CREDENTIAL_ID = 'github-id'
         KUBECONFIG_CREDENTIAL_ID = 'demo-kubeconfig'
         REGISTRY = 'docker.io'
-        DOCKERHUB_NAMESPACE = 'docker_username'
-        GITHUB_ACCOUNT = 'kubesphere'
+        DOCKERHUB_NAMESPACE = 'taitd'
+        GITHUB_ACCOUNT = 'taitd'
         APP_NAME = 'devops-java-sample'
         SONAR_CREDENTIAL_ID = 'sonar-token'
     }
@@ -34,7 +37,7 @@ pipeline {
                 }
             }
         }
-
+        
         stage('sonarqube analysis') {
           steps {
             container ('maven') {