Encounter a small black, how to go away, only in the Apple 6 below the phone has this problem on the diagram

Look at the comment on the piece, the name has a small black vertical line, and then only under the Apple 6 has this problem, more than 6 are good to show the effect.

The reason is that I have a reply to every line here has 4 sub-space, the name of the content of the comment also has a reply to the words, is in imitation of friends circle

But my own comments are not replied to and commented on the person's so these 2 controls I output log frame is all 0, supposedly no problem should not be shown, but there is a small black line in the

So I'm just going to have to delete the two controls.

Encounter a little black, how to go away, only in the Apple 6 below the phone has this problem