```sh
# cat /etc/rancher/k3s/registries.yaml
mirrors:
  docker.io:
    endpoint:
      - "https://docker.m.daocloud.io"
      - "https://dockerproxy.net/"
      - "https://docker.cnb.cool/kevisual/dev-env"
```

```sh
#cat config.toml
disabled_plugins = ["cri"]

[plugins."io.containerd.grpc.v1.cri".registry]
  [plugins."io.containerd.grpc.v1.cri".registry.mirrors]
    [plugins."io.containerd.grpc.v1.cri".registry.mirrors."docker.io"]
      endpoint = [
        "https://docker.1ms.run",
        "https://docker.m.daocloud.io",
        "https://dockerproxy.net/",
      ]


# [plugins."io.containerd.grpc.v1.cri".registry.mirrors."registry.k8s.io"]
#   endpoint = [
#     "https://k8s.m.daocloud.io"
#     "https://docker.m.daocloud.io",
#  ]
```