[]ipad端textinput设置为scroll还是不能滚动

        let input: Laya.TextInput = new Laya.TextInput();

        input.skin = "new/textinput.png";

        input.x = 256;

        input.y = 128;

        input.sizeGrid = "50, 50, 50, 50";

        input.fontSize = 60;

        input.size(256, 128);

        input.align = "center";

        input.color = "#ff0000";

        input.overflow = Laya.Text.SCROLL;

        input.wordWrap = false;

        input.maxChars = 10;