BUG1:[code]package ui.test
{
	import laya.display.Sprite;
	import laya.utils.Tween;
	
	public class MyBox extends Sprite
	{
		private var _shape:Sprite;
		public function MyBox()
		{
			super();
			
			graphics.drawRect(0,0,200,200,"#00ff00");
			
			_shape=new Sprite();
			_shape.graphics.drawCircle(0,0,20,"#ff0000");
			addChild(_shape);

//加上这句正常，反之则异常

			//_shape.cacheAsBitmap=true;
			
			pos(300,300);
			
			Tween.to(this,{rotation:360},3000);
		}
		
		override public function get width():Number{
			return _shape.width;
		}
		
		override public function get height():Number{
			return _shape.height;
		}
	}

}[/code]

BUG2:[code]package ui.test
{
	import laya.display.Sprite;
	import laya.events.Event;
	
	public class MyBox1 extends Sprite
	{
		private var _sprite:Sprite;
		public function MyBox1()
		{
			super();
			
			_sprite=new Sprite();

//这里明明传入了尺寸，为什么graphics没有宽高信息

			_sprite.graphics.drawRect(0,0,200,200,"#ff0000");
			_sprite.cacheAsBitmap=true;
			addChild(_sprite);

trace(_sprite.width,_sprite.height);//这里输出居然是 0，0.
//所以这里必须手动设置尺寸，才能生效

			_sprite.size(200,200);
			on(Event.CLICK,this,function():void{
				trace("click");
			});
		}
		
		override public function get width():Number{
			return _sprite.width;
		}
		
		override public function get height():Number{
			return _sprite.height;
		}
	}

}[/code]