diff --git a/src/libs/getSWR.ts b/src/libs/getSWR.ts
index 312edf9..0dad9a2 100644
--- a/src/libs/getSWR.ts
+++ b/src/libs/getSWR.ts
@@ -7,6 +7,7 @@ const SW = import.meta.env.MODE === 'production' ? '/notice-book/sw.js' : '/src/
 let swr: ServiceWorkerRegistration
 
 export async function getSWR() {
+  swr.active?.postMessage('close')
   return swr.active || swr.installing
 }
 
@@ -14,12 +15,18 @@ export async function SWR() {
   swr = await navigator.serviceWorker.getRegistration(SW) as ServiceWorkerRegistration
   
   if (swr) {
-    await swr.unregister()
+    await unregisterSW()
   }
 
   swr = await navigator.serviceWorker.register(SW, {
-    type: 'module'
+    type: 'module',
+    scope: `./?${Date.now()}`
   }).then(serviceWorkerRegistration => {
     return serviceWorkerRegistration
   })
 }
+
+export async function unregisterSW() {
+  swr.active?.postMessage('close')
+  await swr.unregister()
+}
\ No newline at end of file
diff --git a/src/main.ts b/src/main.ts
index 4a6b15a..134d874 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,7 +1,7 @@
 import { createApp } from 'vue'
 import './style.css'
 import App from './App.vue'
-import { SWR, getSWR, initData, initNotification } from './libs'
+import { SWR, getSWR, initData, initNotification, unregisterSW } from './libs'
 
 const app = createApp(App)
 
@@ -13,4 +13,6 @@ async function init() {
   initNotification()
 }
 
-init()
\ No newline at end of file
+init()
+
+window.onunload = unregisterSW
\ No newline at end of file
diff --git a/src/sw.ts b/src/sw.ts
index d21e905..e3d178b 100644
--- a/src/sw.ts
+++ b/src/sw.ts
@@ -8,7 +8,7 @@ interface NoticeEvent extends ExtendableMessageEvent {
   data: { 
           key: 'tmrList' | 'todayList',
           value: NoticeType[]
-        }
+        } | 'close'
 }
 
 self.skipWaiting()
@@ -32,20 +32,26 @@ const noticePool: {
   todayList: [],
   tmrList: []
 }
+let interval: number
 
 self.addEventListener('message', (e: NoticeEvent) => {
-  const notices = e.data
-  noticePool[notices.key] = []
-  notices.value.forEach(item => {
-    if (getTime(item.hour, item.minute) > Date.now()) {
-      noticePool[notices.key].push(item)
-    }
-  })
+  if (e.data != 'close') {
+    const notices = e.data
+    noticePool[notices.key] = []
+    notices.value.forEach(item => {
+      if (getTime(item.hour, item.minute) > Date.now()) {
+        noticePool[notices.key].push(item)
+      }
+    })
+  } else {
+    clearInterval(interval)
+  }
 })
+
 self.addEventListener('install', () => {
   let lastDate = new Date()
 
-  setInterval(() => {
+  interval = setInterval(() => {
     const date = new Date()
     const todayTodo = noticePool.todayList.reduce((prev, cur) => `\n--${prev + cur.noticeName}`, '')
     console.log(`%cNotice book: Today is ${ lastDate.getMonth() + 1 } / ${ lastDate.getDate() } \n There have ${ noticePool.todayList.length } notices wait for posting today: ${ todayTodo }`, 'color: green')