CEDICT
to bury the hatchet; to become reconciled
Wiktionary
归于和好。如:「经过一番对谈沟通,双方终于前嫌尽释,言归于好。」也作「言归和好」、「言归于好」。
重編國語辭典
It looks like they have made up again.
Source: Tatoeba
Now shake hands and make up.