let scale9Sprite = new ccui.Scale9Sprite(filePath);
scale9Sprite.setCapInsets(cc.rect(x,y,w,h));
而非
let scale9Sprite = new ccui.Scale9Sprite(filePath，cc.rect(x,y,w,h));
Scale9Sprite不要在初始化的时候setCapInsets
原文：https://www.cnblogs.com/guomengkai/p/11413667.html