ItemBaiFadeOut.ts

const { ccclass, property } = cc._decorator;

@ccclass
export default class ItemBaiFadeOut extends cc.Component {

    onLoad() { }

    onEnable() {
        cc.tween(this.node)
            .to(0.5, {opacity: 200})
            .to(0.5, {opacity: 0})
            .call(() => {
                this.node.active = false;
        }).start();
    }
}