diff --git a/web/chat.html b/web/chat.html
index 08cf79b..622585e 100644
--- a/web/chat.html
+++ b/web/chat.html
@@ -7,9 +7,10 @@
 <head>
   <title>Bing AI</title>
   <meta content="text/html; charset=utf-8" http-equiv="content-type" />
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, viewport-fit=cover" />
   <meta name="referrer" content="origin-when-cross-origin" />
-  <link href="/sa/simg/favicon-trans-bg-blue-mg.ico" data-orighref="" rel="icon" />
+  <link rel="icon" type="image/svg+xml" href="/web/img/logo.svg" />
+  <link rel="manifest" href="/web/manifest.webmanifest">
   <link rel="stylesheet" href="/web/css/index.css">
   <script type="text/javascript">//<![CDATA[
     _G = { Region: "US", Lang: "zh-CN", ST: (typeof si_ST !== 'undefined' ? si_ST : new Date), Mkt: "en-US", RevIpCC: "jp", RTL: false, Ver: "19", IG: "B44E1127E95845CA8627CA7A1930433B", EventID: "645358fc208242f28e6d8f8a5f197cd3", MN: "SERP", V: "web", P: "SERP", DA: "MWHE01", SUIH: "pvMUA9xkTfwoGd2dQVAmkA", adc: "b_ad", EF: { cookss: 1, bmcov: 1, crossdomainfix: 1, bmasynctrigger: 1, bmasynctrigger3: 1, newtabsloppyclick: 1, chevroncheckmousemove: 1 }, gpUrl: "\/fd\/ls\/GLinkPing.aspx?" }; _G.lsUrl = "/fd/ls/l?IG=" + _G.IG; curUrl = "/search"; function si_T (a) { if (document.images) { _G.GPImg = new Image; _G.GPImg.src = _G.gpUrl + 'IG=' + _G.IG + '&' + a; } return true; } _G.NTT = "600000"; _G.CTT = "3000";;
diff --git a/web/img/logo.svg b/web/img/logo.svg
new file mode 100644
index 0000000..d626623
--- /dev/null
+++ b/web/img/logo.svg
@@ -0,0 +1,71 @@
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diff --git a/web/img/pwa/logo-192.png b/web/img/pwa/logo-192.png
new file mode 100644
index 0000000..9102eae
Binary files /dev/null and b/web/img/pwa/logo-192.png differ
diff --git a/web/img/pwa/logo-512.png b/web/img/pwa/logo-512.png
new file mode 100644
index 0000000..c8ea3b7
Binary files /dev/null and b/web/img/pwa/logo-512.png differ
diff --git a/web/manifest.webmanifest b/web/manifest.webmanifest
new file mode 100644
index 0000000..c750d86
--- /dev/null
+++ b/web/manifest.webmanifest
@@ -0,0 +1,27 @@
+{
+  "name": "BingAI",
+  "short_name": "BingAI",
+  "start_url": "./chat.html",
+  "display": "standalone",
+  "background_color": "#ffffff",
+  "lang": "en",
+  "scope": "./",
+  "icons": [
+    {
+      "src": "./img/pwa/logo-192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "./img/pwa/logo-512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    },
+    {
+      "src": "./img/pwa/logo-512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "any maskable"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/web/sw.js b/web/sw.js
index abdbc1e..d640657 100644
--- a/web/sw.js
+++ b/web/sw.js
@@ -1,7 +1,7 @@
 // 引入workbox 框架
 importScripts('./js/sw/workbox-sw.js');
 
-const SW_VERSION = '1.2.6';
+const SW_VERSION = '1.3.0';
 const CACHE_PREFIX = 'BingAI';
 
 workbox.setConfig({ debug: false, logLevel: 'warn' });
@@ -19,54 +19,54 @@ workbox.precaching.precacheAndRoute([
   // css
   {
     url: '/web/css/index.css',
-    revision: '2023.05.05',
+    revision: '2023.05.06',
   },
   // js
   {
     url: '/web/js/sw/workbox-sw.js',
-    revision: '2023.05.05',
+    revision: '2023.05.06',
   },
   {
     url: '/web/js/sw/workbox-window.prod.umd.min.js',
-    revision: '2023.05.05',
+    revision: '2023.05.06',
   },
   {
     url: '/rp/oJ7sDoXkkNOICsnFb57ZJHBrHcw.br.js',
-    revision: '2023.05.05',
+    revision: '2023.05.06',
   },
   {
     url: '/rp/TX6KXuLRS5pzZvnN8FM7MahUoUQ.br.js',
-    revision: '2023.05.05.14',
+    revision: '2023.05.06',
   },
   {
     url: '/rp/YFRe970EMtFzujI9pBYZBGpdHEo.br.js',
-    revision: '2023.05.05',
+    revision: '2023.05.06',
   },
   {
     url: '/rp/LOB20GsbD-KR9Gwi_Ukp8-BJZCQ.br.js',
-    revision: '2023.05.05',
+    revision: '2023.05.06',
   },
   {
     url: '/rp/6slp3E-BqFf904Cz6cCWPY1bh9E.br.js',
-    revision: '2023.05.05',
+    revision: '2023.05.06',
   },
   {
     url: '/web/js/sydneyfullscreenconv.js',
-    revision: '2023.05.05',
+    revision: '2023.05.06',
   },
   {
     url: '/web/js/index.js',
-    revision: '2023.05.05',
+    revision: '2023.05.06',
   },
   // html
   {
     url: '/web/chat.html',
-    revision: '2023.05.05.15',
+    revision: '2023.05.06',
   },
   // ico
   {
-    url: '/sa/simg/favicon-trans-bg-blue-mg.ico',
-    revision: '2023.05.05',
+    url: '/web/img/logo.svg',
+    revision: '2023.05.06',
   },
 ]);
 
