sub.js-loadApp方法改成了顺序执行还是加载不了子应用报

load.js?e580:55 Uncaught TypeError: application 'vue3' died in status LOADING_SOURCE_CODE: Cannot convert undefined or null to object

async function loadApp(urls, name, csslist) {
    // await Promise.all(urls.map(async url => await createScript(url)))
    await createScript[urls[0]]
    await createScript[urls[1]]
    return window[name];

}