diff --git a/App.tsx b/App.tsx
index 0f2a51c6..67a67c16 100644
--- a/App.tsx
+++ b/App.tsx
@@ -7,6 +7,7 @@ import { PersistGate } from 'redux-persist/integration/react'
 import { Index } from '@root/Index'
 import { persistor, store } from '@root/store'
 import ThemeManager from '@utils/styles/ThemeManager'
+import { resetLocal, updateLocal } from '@root/utils/slices/instancesSlice'
 
 const queryClient = new QueryClient()
 
@@ -49,7 +50,19 @@ const App: React.FC = () => {
       <Provider store={store}>
         <PersistGate
           persistor={persistor}
-          onBeforeLift={() => setAppLoaded(true)}
+          onBeforeLift={async () => {
+            const localUrl = store.getState().instances.local.url
+            const localToken = store.getState().instances.local.token
+            if (localUrl && localToken) {
+              const dispatchStatus = await store.dispatch(
+                updateLocal({ url: localUrl, token: localToken })
+              )
+              if (dispatchStatus.type.includes('/rejected')) {
+                store.dispatch(resetLocal())
+              }
+            }
+            setAppLoaded(true)
+          }}
         >
           {bootstrapped => {
             if (bootstrapped) {
diff --git a/src/@types/mastodon.d.ts b/src/@types/mastodon.d.ts
index e28a7ae7..eeb2416d 100644
--- a/src/@types/mastodon.d.ts
+++ b/src/@types/mastodon.d.ts
@@ -31,6 +31,32 @@ declare namespace Mastodon {
     source: Source
   }
 
+  type Announcement = {
+    // Base
+    id: string
+    text: string
+    published: boolean
+    all_day: boolean
+    created_at: string
+    updated_at: string
+    read: boolean
+    reactions: AnnouncementReaction[]
+
+    // Others
+    scheduled_at?: string
+    starts_at?: string
+    ends_at?: string
+  }
+
+  type AnnouncementReaction = {
+    // Base
+    name: string
+    count: number
+    me: boolean
+    url: string
+    static_url: string
+  }
+
   type Application = {
     // Base
     name: string
diff --git a/src/Index.tsx b/src/Index.tsx
index 7612e74d..320fa505 100644
--- a/src/Index.tsx
+++ b/src/Index.tsx
@@ -3,7 +3,7 @@ import { createBottomTabNavigator } from '@react-navigation/bottom-tabs'
 import { NavigationContainer } from '@react-navigation/native'
 import { enableScreens } from 'react-native-screens'
 
-import React, { useEffect } from 'react'
+import React from 'react'
 import { StatusBar } from 'react-native'
 import Toast from 'react-native-toast-message'
 import { Feather } from '@expo/vector-icons'
@@ -18,12 +18,8 @@ import { useTheme } from '@utils/styles/ThemeManager'
 import getCurrentTab from '@utils/getCurrentTab'
 import { toastConfig } from '@components/toast'
 import { useTranslation } from 'react-i18next'
-import { useDispatch, useSelector } from 'react-redux'
-import {
-  getLocalToken,
-  getLocalUrl,
-  updateLocal
-} from './utils/slices/instancesSlice'
+import { useSelector } from 'react-redux'
+import { getLocalUrl } from './utils/slices/instancesSlice'
 
 enableScreens()
 const Tab = createBottomTabNavigator<RootStackParamList>()
@@ -37,9 +33,7 @@ export type RootStackParamList = {
 }
 
 export const Index: React.FC = () => {
-  const dispatch = useDispatch()
   const localInstance = useSelector(getLocalUrl)
-  const localToken = useSelector(getLocalToken)
   const { i18n } = useTranslation()
   const { mode, theme } = useTheme()
   enum barStyle {
@@ -47,12 +41,6 @@ export const Index: React.FC = () => {
     dark = 'light-content'
   }
 
-  useEffect(() => {
-    if (localInstance && localToken) {
-      dispatch(updateLocal({ url: localInstance, token: localToken }))
-    }
-  }, [])
-
   return (
     <>
       <StatusBar barStyle={barStyle[mode]} />
diff --git a/src/utils/slices/instancesSlice.ts b/src/utils/slices/instancesSlice.ts
index 3e0c3f7c..ccef4e73 100644
--- a/src/utils/slices/instancesSlice.ts
+++ b/src/utils/slices/instancesSlice.ts
@@ -82,7 +82,11 @@ const instancesSlice = createSlice({
       url: 'm.cmx.im'
     }
   } as InstancesState,
-  reducers: {},
+  reducers: {
+    resetLocal: state => {
+      state.local = initialStateLocal
+    }
+  },
   extraReducers: builder => {
     builder.addCase(updateLocal.fulfilled, (state, action) => {
       state.local = action.payload
@@ -98,4 +102,6 @@ export const getLocalAccountId = (state: RootState) =>
 export const getLocalAccountPreferences = (state: RootState) =>
   state.instances.local.account.preferences
 
+export const { resetLocal } = instancesSlice.actions
+
 export default instancesSlice.reducer