1.安装flatpak(CentOS 7已默认安装Flatpak)
yum -y install flatpak
2.添加Flathub仓库
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
3.安装你想要的软件
软件首页：https://flathub.org/home
flatpak install flathub com.github.alecaddd.sequeler
4.运行软件
flatpak run com.github.alecaddd.sequeler