If you don't have flatpak installed yet, learn here how to install it.
Then you can install Inkscape by running the following command on the command line:
flatpak install flathub org.inkscape.Inkscape
To start the flatpak Inkscape installation, run:
flatpak run org.inkscape.Inkscape
安装指南
此发行版包含更多的安装指南。我们强烈推荐你参照此安装指南进行安装,以确保 Inkscape 可以在您的电脑上正常运行。
手册页