[]CSSStyle中的leading设置值无效

			var t:HTMLDivElement = new HTMLDivElement ;

			Laya.stage.addChild(t);

			t.style.valign = "top";//如果要设置leading，务必设置valign='top'

			t.size(60, 120);

			t.style.wordWrap = true;

			t.style.leading = 30;

			t.style.letterSpacing=5;

			t.innerHTML = "akshfkjashfkjhakshjdfhkasjdfhsaf";//赋值写到设置样式之后