ios - Xcode 8.1 XIB 向右约束不准确

Question

XIB向右约束出现偏差 距离父视图-22，但是才刚好靠边，望大神指教

Answer 1

Enhanced relative setting ability.
So if you go to the right, this time, for example, you want to set the distance from the right to 20;
Then you need to set the distance from the right to -20.

Answer 2