Reactjs PWA突然停止安装-我应该改进缓存处理吗？怎么用？

我正在React中做一个PWA-我在这方面是一个noob，但PWA已经工作了好几个星期了，并且已经可以安装了。：）

突然我得到了这个信息：

无法安装站点：页面无法脱机工作。从Chrome93开始，可安装性标准正在改变，该网站将无法安装。有关更多信息，请参阅。

我想问题在于这家伙在这里写的是什么：

但我的技能太差，无法在我的服务人员中实施他的建议

如果你能看看下面我的服务人员，告诉我该换什么，我将不胜感激

window.location.hostname === 'localhost' ||
window.location.hostname === '[::1]' ||
window.location.hostname.match(
  /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
)
);
export function register(config) {
if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
if (publicUrl.origin !== window.location.origin) {
  return;
}
window.addEventListener('load', () => {

const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;

if (isLocalhost) {
    checkValidServiceWorker(swUrl, config);

    navigator.serviceWorker.ready.then(() => {
      console.log(
        'This web app is being served cache-first by a service ' +
          'worker. '
      );
    });
  } else {
    registerValidSW(swUrl, config);
  }
});
}
}
function registerValidSW(swUrl, config) {
navigator.serviceWorker
.register(swUrl)
.then(registration => {
  registration.onupdatefound = () => {
    const installingWorker = registration.installing;
    if (installingWorker == null) {
      return;
    }
    installingWorker.onstatechange = () => {
      if (installingWorker.state === 'installed') {
        if (navigator.serviceWorker.controller) {
          console.log(
            'New content is available and will be used when all ' +
              'tabs for this page are closed.'
          );

          if (config && config.onUpdate) {
            config.onUpdate(registration);
          }
        } else {
          console.log('Content is cached for offline use.');

          if (config && config.onSuccess) {
            config.onSuccess(registration);
          }
        }
      }
    };
  };
})
.catch(error => {
  console.error('Error during service worker registration:', error);
});
}
function checkValidServiceWorker(swUrl, config) {
fetch(swUrl, {
headers: { 'Service-Worker': 'script' }
})
.then(response => {
  const contentType = response.headers.get('content-type');
  if (
    response.status === 404 ||
    (contentType != null && contentType.indexOf('javascript') === -1)
  ) {
    navigator.serviceWorker.ready.then(registration => {
      registration.unregister().then(() => {
        window.location.reload();
      });
    });
  } else {
    registerValidSW(swUrl, config);
  }
})
.catch(() => {
  console.log(
    'No internet connection found. App is running in offline mode.'
  );
});
}
export function unregister() {
if ('serviceWorker' in navigator) {
navigator.serviceWorker.ready
  .then(registration => {
    registration.unregister();
  })
  .catch(error => {
    console.error(error.message);
  });
}}

很抱歉这里的格式。不太擅长在Stackoverflow中粘贴代码