解决问题了！
新建文本文件，复制粘贴下面内容，设置为可执行文件，双击运行后产生一个新文件sources.list，把这个文件复制到etc/apt/
#!/bin/bash
    echo '这里写上你的开机密码'|sudo -S `date +%Y-%m-%d-%H-%M-%S`
    echo -n \e'"]0;还原仓库列表文件"\a'
    cd /etc/apt/preferences.d
    sudo cp -r /etc/apt/preferences.d/*.list /etc/apt/preferences.d/*.back
    sudo rm -rf /etc/apt/preferences.d/*.list
    cd /etc/apt/sources.list.d
    sudo cp -r /etc/apt/sources.list.d/*.list /etc/apt/sources.list.d/*.back
    sudo rm -rf /etc/apt/sources.list.d/*.list
    sources='## Generated by deepin-installer
    deb [by-hash=force] http://packages.deepin.com/deepin lion main contrib non-free
    #deb-src http://packages.deepin.com/deepin lion main contrib non-free'
    echo "${sources}" >> ${HOME}/Desktop/sources.list
    cd /etc/apt
    sudo cp -r /etc/apt/sources.list /etc/apt/sources.list.back
    sudo rm -rf /etc/apt/sources.list
    sudo cp -r ${HOME}/Desktop/sources.list /etc/apt
    chmod -R 600 /etc/apt/sources.list
    sudo rm -rf ${HOME}/.cache/deepin/deepin-appstore* -rf && sudo apt update -y
    sudo apt update -y && sudo apt upgrade -y
    #重启
    shutdown - r now