Xiaowu Zhu focused on modernizing Jenkins deployment workflows by upgrading the Jenkins Helm chart to versions 0.4.5 and 0.4.6 within the DaoCloud/dce-charts-repackage repository. Using DevOps practices and expertise in Kubernetes and YAML, Xiaowu updated version references across chart configurations, image definitions, and agent builder components to ensure consistent, reliable deployments. The work centralized version management and included thorough documentation of upgrade changes, improving maintainability and reducing the risk of configuration drift. By validating consistency across all chart files, Xiaowu ensured that the deployment process leveraged the latest stable components without introducing breaking changes or regressions.