The official Helm repo https://charts.helm.sh/stable is unreachable from some machines in China, so you need to configure a mirror. 1. Official Repo 1 helm repo add stable https://charts.helm.sh/stable 2. Git Pages Mirror 1 helm repo add stable https://burdenbear.github.io/kube-charts-mirror/ See kube-charts-mirror for a reference on building a self-hosted, self-controlled mirror.