计算棒上安装opencv报错

pip3 install --user rockx -i http://repo.rock-chips.com/pypi/simple --trusted-host=repo.rock-chips.com
通过指定上面的地址安装成功了。

谢谢版主及时帮助，

Total download size: 119 M
Installed size: 460 M
Downloading Packages:
版主，出现出现如下问题：
The downloaded packages were saved in cache until the next successful transaction.
You can remove cached packages by executing 'dnf clean packages'.
Error: Error downloading packages:
  Curl error (28): Timeout was reached for https://mirrors.fedoraproject.or ... 28&arch=aarch64 [Resolving timed out after 30000 milliseconds]

链接一直timeout如何解决？