Missed "悠然小楷.ttf" at chapter2 of SwiftUI完全开发

[Pslydhh]

As I find "悠然小楷.ttf" at chapter2 of SwiftUI完全开发, but It isn't in this repository.
So Is it matter?

[Pslydhh]

Oh, maybe It's slideyouran-Regular.ttf.