wsl install problem

[xiaohaha123]

I want to install Ubuntu-20.04 in the cmd, but it failed:

C:\Users\lenovo>wsl --install -d Ubuntu-20.04
正在安装: Ubuntu 20.04 LTS
安装过程中出现错误。分发名称: 'Ubuntu 20.04 LTS' 错误代码: 0x80072ee2

please give me some advice about how to solve this problem