Correct

走题

/ zǒutí /
Strokes

Definition

to get off the main topic/to digress

Example

As a Verb

(of a speech, etc) digress from the subject; stray from the point; be off the point

1
Mìng
命题
zuòwén
作文
bu
不许
zǒu

Digression from the subject is not allowed in a topic composition.

2
Shuō
zǒu
tír
题儿

speak beside the point; wander from the subject; keep off the point