diff --git a/.github/workflows/vercel-merge.yml b/.github/workflows/vercel-merge.yml
new file mode 100644
index 00000000..4cc8b635
--- /dev/null
+++ b/.github/workflows/vercel-merge.yml
@@ -0,0 +1,23 @@
+name: Deploy to vercel on merge
+on:
+  push:
+    branches:
+      - main
+permissions:
+  contents: write
+  deployments: write
+  pull-requests: write
+jobs:
+  build_and_deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: 'true'
+      - uses: amondnet/vercel-action@v25
+        with:
+          vercel-token: ${{ secrets.VERCEL_TOKEN }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          vercel-args: '--prod'
+          vercel-org-id: ${{ secrets.ORG_ID}}
+          vercel-project-id: ${{ secrets.PROJECT_ID}}
diff --git a/.github/workflows/vercel-pull-requst.yml b/.github/workflows/vercel-pull-requst.yml
new file mode 100644
index 00000000..40fe10cb
--- /dev/null
+++ b/.github/workflows/vercel-pull-requst.yml
@@ -0,0 +1,25 @@
+name: Create vercel preview URL on pull request
+on:
+  pull_request:
+    branches: [main, master]
+permissions:
+  contents: write
+  deployments: write
+  pull-requests: write
+jobs:
+  build_and_deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: 'true'
+      - uses: amondnet/vercel-action@v25
+        id: vercel-deploy
+        with:
+          vercel-token: ${{ secrets.VERCEL_TOKEN }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          vercel-org-id: ${{ secrets.ORG_ID}}
+          vercel-project-id: ${{ secrets.PROJECT_ID}}
+      - name: preview-url
+        run: |
+          echo ${{ steps.vercel-deploy.outputs.preview-url }}
diff --git a/apps/readest-app/package.json b/apps/readest-app/package.json
index e1dacd92..50d6d45d 100644
--- a/apps/readest-app/package.json
+++ b/apps/readest-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@readest/readest-app",
-  "version": "0.8.3",
+  "version": "0.8.5",
   "private": true,
   "scripts": {
     "dev": "dotenv -e .env.tauri -- next dev",
diff --git a/apps/readest-app/src/app/layout.tsx b/apps/readest-app/src/app/layout.tsx
index 30d1efbf..d9cf7139 100644
--- a/apps/readest-app/src/app/layout.tsx
+++ b/apps/readest-app/src/app/layout.tsx
@@ -25,6 +25,7 @@ export default function RootLayout({ children }: { children: React.ReactNode })
         <meta name='apple-mobile-web-app-status-bar-style' content='default' />
         <meta name='viewport' content='width=device-width, initial-scale=1, maximum-scale=1' />
         <link rel='apple-touch-icon' sizes='180x180' href='/apple-touch-icon.png' />
+        <link rel='icon' href='/favicon.ico' />
         <meta name='description' content={description} />
         <meta property='og:url' content={url} />
         <meta property='og:type' content='website' />
diff --git a/apps/readest-app/src/app/reader/components/FoliateViewer.tsx b/apps/readest-app/src/app/reader/components/FoliateViewer.tsx
index 35f2aa56..6d5b54f6 100644
--- a/apps/readest-app/src/app/reader/components/FoliateViewer.tsx
+++ b/apps/readest-app/src/app/reader/components/FoliateViewer.tsx
@@ -39,7 +39,7 @@ const FoliateViewer: React.FC<{
     return () => clearTimeout(timer);
   }, [toastMessage]);
 
-  useProgressSync(bookKey, config, setToastMessage);
+  useProgressSync(bookKey, setToastMessage);
 
   const progressRelocateHandler = (event: Event) => {
     const detail = (event as CustomEvent).detail;
diff --git a/apps/readest-app/src/app/reader/components/sidebar/SearchBar.tsx b/apps/readest-app/src/app/reader/components/sidebar/SearchBar.tsx
index 47944a19..b45b1625 100644
--- a/apps/readest-app/src/app/reader/components/sidebar/SearchBar.tsx
+++ b/apps/readest-app/src/app/reader/components/sidebar/SearchBar.tsx
@@ -34,7 +34,7 @@ const SearchBar: React.FC<SearchBarProps> = ({
   const view = getView(bookKey)!;
   const config = getConfig(bookKey)!;
   const progress = getProgress(bookKey)!;
-  const searchConfig = config.searchConfig!;
+  const searchConfig = config.searchConfig! as BookSearchConfig;
 
   const queuedSearchTerm = useRef('');
   const isSearchPending = useRef(false);
diff --git a/apps/readest-app/src/app/reader/hooks/useProgressSync.ts b/apps/readest-app/src/app/reader/hooks/useProgressSync.ts
index 7e4210d6..1d9f5ab0 100644
--- a/apps/readest-app/src/app/reader/hooks/useProgressSync.ts
+++ b/apps/readest-app/src/app/reader/hooks/useProgressSync.ts
@@ -10,17 +10,18 @@ import { useSettingsStore } from '@/store/settingsStore';
 
 export const useProgressSync = (
   bookKey: string,
-  config: BookConfig,
   setToastMessage?: React.Dispatch<React.SetStateAction<string>>,
 ) => {
-  const { setConfig } = useBookDataStore();
+  const { getConfig, setConfig } = useBookDataStore();
   const { getView } = useReaderStore();
   const { settings } = useSettingsStore();
   const { syncedConfigs, syncConfigs } = useSync();
   const { user } = useAuth();
   const view = getView(bookKey);
+  const config = getConfig(bookKey);
 
-  const pushConfig = (bookKey: string, config: BookConfig) => {
+  const pushConfig = (bookKey: string, config: BookConfig | null) => {
+    if (!config || !user) return;
     const bookHash = bookKey.split('-')[0]!;
     const newConfig = { bookHash, ...config };
     const compressedConfig = JSON.parse(
@@ -30,7 +31,7 @@ export const useProgressSync = (
   };
 
   useEffect(() => {
-    if (!user) return;
+    if (!config || !user) return;
     const bookHash = bookKey.split('-')[0]!;
     syncConfigs([], bookHash, 'pull');
     return () => {
@@ -42,7 +43,7 @@ export const useProgressSync = (
   const lastProgressSyncTime = useRef<number>(0);
   const syncTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
   useEffect(() => {
-    if (!user) return;
+    if (!config || !user) return;
     const now = Date.now();
     const timeSinceLastSync = now - lastProgressSyncTime.current;
     if (configSynced.current && timeSinceLastSync > SYNC_PROGRESS_INTERVAL_SEC * 1000) {
@@ -75,9 +76,9 @@ export const useProgressSync = (
         );
         setConfig(bookKey, { ...config, ...newConfig });
         configSynced.current = true;
-        if ((syncedConfig.progress?.[1] ?? 0) > 0 && (config.progress?.[1] ?? 0) > 0) {
+        if ((syncedConfig.progress?.[1] ?? 0) > 0 && (config?.progress?.[1] ?? 0) > 0) {
           const syncedFraction = syncedConfig.progress![0] / syncedConfig.progress![1];
-          const configFraction = config.progress![0] / config.progress![1];
+          const configFraction = config!.progress![0] / config!.progress![1];
           if (syncedFraction > configFraction) {
             view?.goToFraction(syncedFraction);
             setToastMessage?.('Progress synced');
diff --git a/package.json b/package.json
index 6a1a56c5..1b01ceaa 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@readest/monorepo",
   "private": true,
-  "repository": "chrox/readest",
+  "repository": "readest/readest",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "tauri": "pnpm --filter @readest/readest-app tauri"