树莓派 Ubuntu安装 Docker-CE 出现 Package 'docker-ce' has no installation candidate

sudo apt install apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=armhf] https://download.docker.com/linux/ubuntu bionic test"
sudo apt update
sudo apt install docker-ce