patch up

verb

1. To repair by adding a patch.

   “I needed to patch up my trousers after ripping them on the brambles.”

2. To mend quickly.
3. To repair relations; to improve relations.

   “You need to patch things up with your sister after that horrible argument.”

   “But capital was proving difficult to raise; rumours were in the air that the G.W.R. and L.S.W.R. were about to patch up their quarrel, and the people of Southampton, who twelve months earlier had staged a torch-light procession to celebrate the passing of the D.N.S.R. Act, were increasingly loath to part with their cash.”

4. To overlay.