更新pwa

public/sw.js

@@ -0,0 +1,24 @@
+// public/sw.js
+self.addEventListener('install', (e) => {
+  self.skipWaiting();
+});
+self.addEventListener('activate', (e) => {
+  self.registration
+    .unregister()
+    .then(() => self.clients.matchAll())
+    .then((clients) => {
+      clients.forEach((client) => {
+        if (client instanceof WindowClient) client.navigate(client.url);
+      });
+      return Promise.resolve();
+    })
+    .then(() => {
+      self.caches.keys().then((cacheNames) => {
+        Promise.all(
+          cacheNames.map((cacheName) => {
+            return self.caches.delete(cacheName);
+          })
+        );
+      });
+    });
+});