From c95aa6b17be1a09674f7a2ed9c7081a0c5e573ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AD=99=E8=AF=9A?= <cheng2.sun@ly.com>
Date: Wed, 7 Jan 2026 16:07:56 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=9B=B4=E6=96=B0=20Service=20Worker?=
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---
 Web/public/service-worker.js     | 35 +++++++++++++++++++++++++-------
 Web/src/registerServiceWorker.js |  6 ++++++
 Web/vite.config.js               | 16 +++++++++++++++
 3 files changed, 50 insertions(+), 7 deletions(-)

diff --git a/Web/public/service-worker.js b/Web/public/service-worker.js
index e4b575c..6781abe 100644
--- a/Web/public/service-worker.js
+++ b/Web/public/service-worker.js
@@ -1,4 +1,5 @@
-const CACHE_NAME = 'emailbill-v1';
+const VERSION = '1.0.0'; // Build Time: 2026-01-07 15:59:36
+const CACHE_NAME = `emailbill-${VERSION}`;
 const urlsToCache = [
   '/',
   '/index.html',
@@ -57,11 +58,13 @@ self.addEventListener('fetch', (event) => {
     event.respondWith(
       fetch(request)
         .then((response) => {
-          // 克隆响应以便缓存
-          const responseClone = response.clone();
-          caches.open(CACHE_NAME).then((cache) => {
-            cache.put(request, responseClone);
-          });
+          // 只针对成功的GET请求进行缓存
+          if (request.method === 'GET' && response.status === 200) {
+            const responseClone = response.clone();
+            caches.open(CACHE_NAME).then((cache) => {
+              cache.put(request, responseClone);
+            });
+          }
           return response;
         })
         .catch(() => {
@@ -72,7 +75,25 @@ self.addEventListener('fetch', (event) => {
     return;
   }
 
-  // 静态资源使用缓存优先策略
+  // 页面请求使用网络优先策略，确保能获取到最新的 index.html
+  if (request.mode === 'navigate') {
+    event.respondWith(
+      fetch(request)
+        .then((response) => {
+          const responseClone = response.clone();
+          caches.open(CACHE_NAME).then((cache) => {
+            cache.put(request, responseClone);
+          });
+          return response;
+        })
+        .catch(() => {
+          return caches.match('/index.html') || caches.match(request);
+        })
+    );
+    return;
+  }
+
+  // 其他静态资源使用缓存优先策略
   event.respondWith(
     caches.match(request)
       .then((response) => {
diff --git a/Web/src/registerServiceWorker.js b/Web/src/registerServiceWorker.js
index f46bab9..b0d4608 100644
--- a/Web/src/registerServiceWorker.js
+++ b/Web/src/registerServiceWorker.js
@@ -20,6 +20,12 @@ export function register() {
           swRegistration = registration;
           console.log('[SW] Service Worker 注册成功:', registration.scope);
 
+          // 如果已经有等待中的更新
+          if (registration.waiting) {
+            console.log('[SW] 发现未处理的新版本');
+            needRefresh.value = true;
+          }
+
           // 检查更新
           registration.addEventListener('updatefound', () => {
             const newWorker = registration.installing;
diff --git a/Web/vite.config.js b/Web/vite.config.js
index 6495fef..e110e3f 100644
--- a/Web/vite.config.js
+++ b/Web/vite.config.js
@@ -1,4 +1,6 @@
 import { fileURLToPath, URL } from 'node:url'
+import { writeFileSync, readFileSync, existsSync } from 'node:fs'
+import { resolve } from 'node:path'
 
 import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
@@ -9,6 +11,20 @@ export default defineConfig({
   plugins: [
     vue(),
     vueDevTools(),
+    {
+      name: 'update-sw-version',
+      apply: 'build',
+      closeBundle() {
+        const swPath = resolve(fileURLToPath(new URL('.', import.meta.url)), 'dist/service-worker.js')
+        if (existsSync(swPath)) {
+          let content = readFileSync(swPath, 'utf8')
+          const timestamp = new Date().toISOString()
+          content = content.replace(/const VERSION = '.*';/, `const VERSION = '${timestamp}';`)
+          writeFileSync(swPath, content)
+          console.log(`[SW Update] Version updated to ${timestamp}`)
+        }
+      }
+    }
   ],
   resolve: {
     alias: {