我使用以下链接在 Ubuntu 22.04 上安装 Docker Engine https://docs.docker.com/engine/install/ubuntu/，一切正常，直到我到达sudo apt-get update，它给了我以下错误：
E: Conflicting values set for option Signed-By regarding source https://download.docker.com/linux/ubuntu/ jammy: /etc/apt/keyrings/docker.gpg !=
E: The list of sources could not be read.
我必须编辑该文件的权限：
E: Conflicting values set for option Signed-By regarding source https://download.docker.com/linux/ubuntu/ jammy: /etc/apt/keyrings/docker.gpg !=
E: The list of sources could not be read.
但还是发现错误，怎么办？
我试图删除 keyrings 目录，
sudo rm -r ./keyrings
并且仍然发现 sudo apt update 错误：
sudo apt update
E: Conflicting values set for option Signed-By …