How to install dolfinx on my virtual environment of my pycharm project

when I first create this pycharm project, I choose this as my set up environment(the project location is /home/a/Desktop/FluidSIX/FluidSIX)


after I create a first python file, I choose the python interpreter as

then how to install the dolfinx?I have installed dolfinx by using sudo apt install fenicsx on my ubuntu terminal, but after I open this new project, the import still has errors, and I don’t know how to install dolfinx on the virtual environment

If you use apt for installation, you should use the system Python, not a additional virtual env.