将多边形添加到Map时的IndexOutOfBoundsException

This is my code:

这是我的代码:

final PolygonOptions options = new PolygonOptions();
options.strokeColor(Color.argb(strokeAlpha, r, g, b));
options.fillColor(Color.argb(fillAlpha, r, g, b));
for (final Punto p : c.getPuntos()) {
    options.add(p.getLatLng());
}
map.getMap().addPolygon(options)
final PolygonOptio