填坑

Verb

 * 1) to fill up a pit
 * 2) to amend a defect;  to fix a bug
 * 3)  (of a creator/author) to produce sequels of an existing franchise; to start working on a follow-up of a previous piece of creative work
 * 4)  to read/watch/play the sequel or remaining episode/installments of a creative work or franchise
 * 1)  to read/watch/play the sequel or remaining episode/installments of a creative work or franchise