I have changed the subtitle in
1.anaconda3/envs/pycdt/lib/python3.8/site-packages/pycdt-2.0.5-py3.8.egg/pycdt/utils/plotter.py
2./home/qiao/apps/pycdt/build/lib/pycdt/utils/plotter.py
3. /home/qiao/apps/pycdt/pycdt/utils/plotter.py
but the output figure still stay the same