HELP! Since i used senceManager,text not displayed

Phaser 3
1 
var config = {
    type: Phaser.AUTO,
    width: 800,
    height: 600,
    parent: 'game',
};
let game = new Phaser.Game(config);
let senceManager = new Phaser.Scenes.SceneManager(game);


let senceBoot = {
    preload() {
        console.log(123);
    },
    create() {
        var t = this.add.text(200, 200, 'Phaser');
    },
    update(){
        console.log('update');
    },
    render() {
        
    },
}

senceManager.add('boot', senceBoot);
senceManager.start('boot');
2

You’re not supposed to make your own scene manager. Check the scene examples to see how to use scenes.

3

thanks!