Jiamin Yag enhanced the cleanup script for the kubeovn/kube-ovn repository, focusing on improving the thoroughness of Kube-OVN component removal from Kubernetes clusters. By extending the script to delete two additional ConfigMaps and remove specific RoleBindings within the kube-system namespace, Jiamin addressed the risk of residual resources persisting after upgrades or uninstalls. This work, implemented using shell scripting and leveraging DevOps and Kubernetes expertise, ensures a cleaner cluster state and simplifies ongoing maintenance. The contribution demonstrates a targeted approach to operational reliability, with depth in understanding cluster resource management and automation, though the scope was limited to a single feature.