我想向我的 Angular 應用發送推送通知。我是用 vanilla js 做的，而不是用 Angular service worker 或 @angular/pwa。我在angular.json的腳本選項中添加了js文件的路徑。當要注冊 Service Worker 時，它會從根目錄 ( http://127.0.0.1:8887/sw.js )重定向路徑，而不是從我放置文件的文件夾中重定向。這是 angular.json 文件：    "scripts": [      "./src/assets/js/main.js",      "./src/assets/js/sw.js"    ]main.js 文件：const applicationServerPublicKey = 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX';let isSubscribed = false;let swRegistration = null;if ('serviceWorker' in navigator && 'PushManager' in window) {    console.log('Service Worker and Push is supported');    navigator.serviceWorker.register('/sw.js')  // I tried ./sw.js and also /src/assets/js/sw.js and sw.js alone    .then(function(swReg) {      console.log('Service Worker is registered', swReg);      swRegistration = swReg;    })    .catch(function(error) {      console.error('Service Worker Error', error);    });  } else {    console.warn('Push messaging is not supported');    pushButton.textContent = 'Push Not Supported';  }服務工作者文件僅用于測試該文件目前是否可訪問：console.log('sw');這是錯誤：Service Worker Error TypeError: Failed to register a ServiceWorker for scope ('http://127.0.0.1:8887/') with script ('http://127.0.0.1:8887/sw.js'): A bad HTTP response code (404) was received when fetching the script.