报错如下：

sudo apt update && sudo apt upgrade
请输入密码:
验证成功
命中:1 https://pro-driver-packages.uniontech.com eagle InRelease
命中:2 https://community-packages.deepin.com/deepin apricot InRelease
命中:3 https://community-packages.deepin.com/printer eagle InRelease
命中:5 https://d.store.deepinos.org.cn InRelease
命中:4 https://home-store-img.uniontech.com/appstore deepin InRelease
忽略:6 https://repo.steampowered.com/steam stable InRelease
错误:7 https://repo.steampowered.com/steam stable Release
Could not wait for server fd - select (11: 资源暂时不可用) [IP: 104.17.152.86 443]
正在读取软件包列表... 完成
E: 仓库 “https://repo.steampowered.com/steam stable Release” 不再含有 Release 文件。
N: 无法安全地用该源进行更新，所以默认禁用该源。
N: 参见 apt-secure(8) 手册以了解仓库创建和用户配置方面的细节。