Hi @maxim_k 

Thanks for your help!
I uninstalled AutoCAD for mac 2019 from my laptop, also follow the instructions that you providing me to delete the files related to autodesk. However, when I re-install AutoCAD and try to create a new document again, the same problem still not resove yet.

No matter how, I'm really appreciate what you have done for me.
Wishing you have a nice day.