[LayaAir 2.0]Button文本位置错误

let btn = new Button();

btn.anchorX = btn.anchorY = 0.5;

btn.skin = 'https://layaair2.ldc2.layabox.com/demo2/h5/res/ui/button-1.png';

btn.labelSize = 22;

btn.label = 'aaaa';

Laya.stage.addChild(btn);

let btn = new Button();

btn.skin = 'https://layaair2.ldc2.layabox.com/demo2/h5/res/ui/button-1.png';

btn.labelSize = 22;

btn.label = 'aaaa';

btn.anchorX = btn.anchorY = 0.5;

Laya.stage.addChild(btn);