diff --git a/Jenkinsfile-online b/Jenkinsfile-online
index 2ca69e7f..7e671ca5 100644
--- a/Jenkinsfile-online
+++ b/Jenkinsfile-online
@@ -14,7 +14,7 @@ pipeline {
         GITHUB_CREDENTIAL_ID = 'github-id'
         KUBECONFIG_CREDENTIAL_ID = 'demo-kubeconfig'
         REGISTRY = 'docker.io'
-        DOCKERHUB_NAMESPACE = 'docker_username'
+        DOCKERHUB_NAMESPACE = 'dockerlk'
         GITHUB_ACCOUNT = 'kubesphere'
         APP_NAME = 'devops-java-sample'
     }