Overlap is empty

Glyphs
1

I copy this from illustrator， but the overlap area is empty，how can i make it well？or repair it？

blob.jpg553×777 29.8 KB

thank you

2

Then the path direction of some of the paths is wrong. All black shapes should have a counterclockwise direction. You can manually fix that but you can also run Paths > Correct Path Direction.

And you might like to read this:
https://www.glyphsapp.com/tutorials/importing-from-illustrator

3

it‘s OK！thank you very much！！！！！！！！！！！！！！！！！！