JavaFX里使用image类的小程序运行不了，求大佬指点一下

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.HBox;
//import javafx.scene.layout.Pane;
import javafx.stage.Stage;

public class ShowImage extends Application{

    public void start(Stage primaryStage) {
        HBox pane = new HBox(10);
        pane.setPadding(new Insets(5,5,5,5));
        Image image = new Image("image/us.gif");
        pane.getChildren().add(new ImageView(image));

        Scene scene = new Scene(pane);
        primaryStage.setTitle("ShowImage");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public static void main(String[] args) {
        Application.launch(args);
    }

}

http://blog.csdn.net/maosijunzi/article/details/43149389