Hello Michael Ko.,
If you are able to do some changes to files, you can use my patches i provided to Joomshaper at there github-repository.
To avoid creating more duplicate posts, please take a look here.
Here I have already documented the possibilities for another customer.
https://www.joomshaper.com/forum/question/17313#qa-answer-83050
If you find any other problems, please let me know.
I will see what I can do for you.
Important: I am not from Joomshaper Support and do this on a voluntary basis.