flash AS 检测影片剪辑和鼠标冲突解决办法

this.createEmptyMovieClip("box_mc", 10);

with (box_mc) {
    beginFill(0xFF0000, 100);
    moveTo(100, 100);
    lineTo(200, 100);
    lineTo(200, 200);
    lineTo(100, 200);
    lineTo(100, 100);
    endFill();
}

this.createTextField("status_txt", 999, 0, 0, 100, 22);

var mouseListener:Object = new Object();
mouseListener.onMouseMove = function():Void {
    status_txt.text = _level0.hitTest(_xmouse, _ymouse, true);
}
Mouse.addListener(mouseListener);