Does anyone know why missing fonts of Roboto always happened on new XD file but not on an old one?

I always use Roboto on my company work, since my first XD work started it's about two years, and I use it very smoothly till one day I found it shows a symbol and tells it got a font missing...  

I thought it must be something wrong with the font system but nothing particular on it and so as Illustrator, they all got entire font set as good as usual. 

The weird thing is when I opened my old working file which used Rorobo, the fonts are showing perfectly without any warning symbols.

This problem caused if I have to work and use Roboto on my design, there is no choice, I always need to open an old XD file which has been using the Roboto fonts, and save as a new name then I can start my new work to use Roboto on my design working. Can someone tell me what's happening on it and how should I do for it? Thank you!