Hmmm, it looks like the deg. symbol is not being used with the Chinese font.
please set:
https://www.imageen.com/help/TIEAngleLayer.LabelText.html
e.g.
TIEAngleLayer( ImageEnView1.CurrentLayer ).LabelText := 'Angle: %s deg.';
ImageEnView1.Update();
Nigel
Xequte Software
www.imageen.com