Cannot download fonts on Fontbook In Catalina
You might be able to install it from
System/Library/PrivateFrameworks/FontServices.framework/Versions/A/Resources/Fonts/Subsets/
The filenames are Yuanti.ttc for 圆体 and Hannotate.ttc for 手札体.
You might be able to install it from
System/Library/PrivateFrameworks/FontServices.framework/Versions/A/Resources/Fonts/Subsets/
The filenames are Yuanti.ttc for 圆体 and Hannotate.ttc for 手札体.