我正在尝试安装大胆试试吧，我已按照说明从这里
用于安装的命令
sudo add-apt-repository ppa:go-for-it-team/go-for-it-daily && sudo apt-get update
但我收到错误 IP 地址未找到 404 Not Found [IP: 91.189.95.83 80]
我猜这个网站瘫痪了。
以下是完整输出
Go For It! is a simple and stylish productivity app, featuring a to-do list, merged with a timer that keeps your focus on the current task.
Website: http://manuel-kehl.de/projects/go-for-it
This ppa provides git versions of Go For It!
For stable versions use https://launchpad.net/~go-for-it-team/+archive/ubuntu/go-for-it-stable
More info: https://launchpad.net/~go-for-it-team/+archive/ubuntu/go-for-it-daily
Press [ENTER] to continue or Ctrl-c to cancel adding it.
Hit:1 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:2 http://linux.teamviewer.com/deb stable InRelease
Hit:3 http://packages.microsoft.com/repos/vscode stable InRelease
Hit:4 https://dl.winehq.org/wine-builds/ubuntu focal InRelease
Get:5 http://security.ubuntu.com/ubuntu focal-security InRelease [107 kB]
Hit:6 http://in.archive.ubuntu.com/ubuntu focal InRelease
Hit:7 http://archive.canonical.com/ubuntu focal InRelease
Hit:8 http://ppa.launchpad.net/flexiondotorg/minecraft/ubuntu focal InRelease
Hit:9 http://in.archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:10 http://in.archive.ubuntu.com/ubuntu focal-backports InRelease
Ign:12 http://ppa.launchpad.net/go-for-it-team/go-for-it-daily/ubuntu focal InRelease
Hit:13 https://repo.fortinet.com/repo/ubuntu /bionic InRelease
Get:14 http://security.ubuntu.com/ubuntu focal-security/main amd64 DEP-11 Metadata [18.6 kB]
Hit:15 http://ppa.launchpad.net/inkscape.dev/stable/ubuntu focal InRelease
Hit:16 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu focal InRelease
Get:17 http://security.ubuntu.com/ubuntu focal-security/universe amd64 DEP-11 Metadata [31.5 kB]
Hit:18 http://ppa.launchpad.net/oibaf/graphics-drivers/ubuntu focal InRelease
Hit:11 https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease
Err:19 http://ppa.launchpad.net/go-for-it-team/go-for-it-daily/ubuntu focal Release
404 Not Found [IP: 91.189.95.83 80]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/go-for-it-team/go-for-it-daily/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.