openkylin换成兰州大学的源

如题：

修改/etc/apt/sources.list:
#deb http://archive.build.openkylin.top/openkylin/ yangtze main cross pty
#deb http://archive.build.openkylin.top/openkylin/ yangtze-security main cross pty
#deb http://archive.build.openkylin.top/openkylin/ yangtze-updates main cross
deb http://mirrors.lzu.edu.cn/openkylin/ yangtze main cross pty
deb http://mirrors.lzu.edu.cn/openkylin/ yangtze-security main cross pty
deb http://mirrors.lzu.edu.cn/openkylin/ yangtze-updates main cross pty

科大的源
deb https://mirrors.ustc.edu.cn/ubuntu/ jammy main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse