linux Deepin 20 系统更新源
sudo deepin-editor /etc/apt/sources.list
deb [by-hash=force] http://packages.deepin.com/deepin stable main contrib non-free
sudo apt-get update
## Generated by deepin-installer
#deb [by-hash=force] https://community-packages.deepin.com/deepin/ apricot main contrib non-free
#deb-src https://community-packages.deepin.com/deepin/ apricot main contrib non-fresa
## Generated by deepin-installer
deb [by-hash=force] http://ftp.sjtu.edu.cn/deepin panda main contrib non-free
#deb-src http://ftp.sjtu.edu.cn/deepin panda main contrib non-free
#南京大学
## Generated by deepin-installer
deb [by-hash=force] http://mirrors.nju.edu.cn/deepin panda main contrib non-free
#deb-src http://mirrors.nju.edu.cn/deepin panda main contrib non-free
#清华大学系统更新源
## Generated by deepin-installer
deb [by-hash=force] https://mirrors.tuna.tsinghua.edu.cn/deepin panda main contrib non-free
#deb-src https://mirrors.tuna.tsinghua.edu.cn/deepin panda main contrib non-free