cocoscreator 2.4.11 cc.resources.loadDir 资源加载报错

[david20011204 (deepfan)]

    cc.resources.loadDir('resources/LevelConfig', (err, resource) => {
        console.log(resource);
    });

Uncaught TypeError: Cannot read properties of undefined (reading ‘loadDir’)，新建一个空项目，有的正常，有的报同样的错误。