Separable word"跟" and "帖" can be combined as one word, or be used separately with other elements inserted.我刚才好像跟错帖了。
I think I have followed the wrong post.
帖子一发布，就有网友跟了帖。
As soon as the post was published, some netizens followed it.
前几天我也在这个话题下面跟过帖。
I also posted on this topic the other day.