root@tencent-sh1:~# cat /etc/rancher/k3s/registries.yaml 
mirrors:
  "docker.io":
    endpoint:
      - "https://harbor.xxx.me"
    rewrite:
      "^(.*)": "mirror-dockerhub/$1"
  "registry.k8s.io":
    endpoint:
      - "https://harbor.xxx.me"
    rewrite:
      "^(.*)": "mirror-registry-k8s-io/$1"
  "ghcr.io":
    endpoint:
      - "https://harbor.xxx.me"
    rewrite:
      "^(.*)": "mirror-registry-ghcr-io/$1"
  "quay.io":
    endpoint:
      - "https://harbor.xxx.me"
    rewrite:
      "^(.*)": "mirror-registry-quay-io/$1"