Glad to see you’re enjoying woodworking, this table looks nice but you need to attach your top differently, like many new woodworkers your top does not allow for wood movement this can cause your top to crack
Here’s some information about wood movement.
http://www.finewoodworking.com/membership/pdf/41120/011165044.pdf

https://www.artisticwoodstudio.com/videos

woodworking classes, custom furniture maker