在`Ubuntu 22.04.5 LTS`中,正常运行前两行命令后再运行`sudo apt install rustup`会报如下错误: ``` Reading package lists... Done Building dependency tree... Done Reading state information... Done E: Unable to locate package rustup ``` 询问大模型后并自主测试后发现不用这行命令也能继续完成后面的步骤。