When adding plugins in Pycharm, cannot save settings:please specify a different SDK name appears when saving

No relevant solutions were found on the web, and there was little discussion about this error, and there was no solution to the problem of same boat on GitHub alone, and there were no solutions to try the following method 5555

Workaround: Remove the Mxonline virtual environment and the Mxonline project, re-establish the Mxonline virtual environment, configure the required Django and pillow versions directly when setting up the environment, and avoid changing the version in Pycharm. This avoids the problem that Pycharm cannot save the virtual environment after changing the version