diff --git a/src/client/app/desktop/views/components/notes.vue b/src/client/app/desktop/views/components/notes.vue
index efb9db70fa..a1c1207a7b 100644
--- a/src/client/app/desktop/views/components/notes.vue
+++ b/src/client/app/desktop/views/components/notes.vue
@@ -193,7 +193,7 @@ export default Vue.extend({
 
 		clearNotification() {
 			this.unreadCount = 0;
-			document.title = config.name;
+			document.title = (this as any).os.instanceName;
 		},
 
 		onVisibilitychange() {
diff --git a/src/client/app/desktop/views/pages/home-customize.vue b/src/client/app/desktop/views/pages/home-customize.vue
index 4318e89821..174fbf45ed 100644
--- a/src/client/app/desktop/views/pages/home-customize.vue
+++ b/src/client/app/desktop/views/pages/home-customize.vue
@@ -4,11 +4,10 @@
 
 <script lang="ts">
 import Vue from 'vue';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	mounted() {
-		document.title = `${config.name} - %i18n:@title%`;
+		document.title = `${(this as any).os.instanceName} - %i18n:@title%`;
 	}
 });
 </script>
diff --git a/src/client/app/desktop/views/pages/home.vue b/src/client/app/desktop/views/pages/home.vue
index 3d3c24bfa4..c7ff0904e0 100644
--- a/src/client/app/desktop/views/pages/home.vue
+++ b/src/client/app/desktop/views/pages/home.vue
@@ -7,7 +7,6 @@
 <script lang="ts">
 import Vue from 'vue';
 import Progress from '../../../common/scripts/loading';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	props: {
@@ -17,7 +16,7 @@ export default Vue.extend({
 		}
 	},
 	mounted() {
-		document.title = config.name;
+		document.title = (this as any).os.instanceName;
 
 		Progress.start();
 	},
diff --git a/src/client/app/desktop/views/pages/share.vue b/src/client/app/desktop/views/pages/share.vue
index 4a7bdb14cd..4dd6080690 100644
--- a/src/client/app/desktop/views/pages/share.vue
+++ b/src/client/app/desktop/views/pages/share.vue
@@ -12,12 +12,11 @@
 
 <script lang="ts">
 import Vue from 'vue';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	data() {
 		return {
-			name: config.name,
+			name: (this as any).os.instanceName,
 			posted: false,
 			text: new URLSearchParams(location.search).get('text')
 		};
diff --git a/src/client/app/desktop/views/pages/welcome.vue b/src/client/app/desktop/views/pages/welcome.vue
index 585a23de2d..ac2f921a21 100644
--- a/src/client/app/desktop/views/pages/welcome.vue
+++ b/src/client/app/desktop/views/pages/welcome.vue
@@ -5,7 +5,7 @@
 		<template v-if="$store.state.device.darkmode">%fa:moon%</template>
 		<template v-else>%fa:R moon%</template>
 	</button>
-	<div class="body" :style="{ backgroundImage: `url('${ welcomeBgUrl }')` }">
+	<div class="body">
 		<div class="container">
 			<div class="info">
 				<span><b>{{ host }}</b></span>
@@ -46,22 +46,26 @@
 
 <script lang="ts">
 import Vue from 'vue';
-import { host, name, description, copyright, welcomeBgUrl } from '../../../config';
+import { host, copyright } from '../../../config';
 
 export default Vue.extend({
 	data() {
 		return {
 			stats: null,
 			copyright,
-			welcomeBgUrl,
 			host,
-			name,
-			description,
+			name: 'Misskey',
+			description: '',
 			pointerInterval: null,
 			tags: []
 		};
 	},
 	created() {
+		(this as any).os.getMeta().then(meta => {
+			this.name = meta.name;
+			this.description = meta.description;
+		});
+
 		(this as any).api('stats').then(stats => {
 			this.stats = stats;
 		});
diff --git a/src/client/app/mios.ts b/src/client/app/mios.ts
index 565c8bf1f5..664848b5e7 100644
--- a/src/client/app/mios.ts
+++ b/src/client/app/mios.ts
@@ -70,6 +70,10 @@ export default class MiOS extends EventEmitter {
 		chachedAt: Date;
 	};
 
+	public get instanceName() {
+		return this.meta ? this.meta.data.name : 'Misskey';
+	}
+
 	private isMetaFetching = false;
 
 	public app: Vue;
diff --git a/src/client/app/mobile/views/components/notes.vue b/src/client/app/mobile/views/components/notes.vue
index cce81d1b78..714e521c0f 100644
--- a/src/client/app/mobile/views/components/notes.vue
+++ b/src/client/app/mobile/views/components/notes.vue
@@ -38,7 +38,6 @@
 <script lang="ts">
 import Vue from 'vue';
 import getNoteSummary from '../../../../../misc/get-note-summary';
-import * as config from '../../../config';
 
 const displayLimit = 30;
 
@@ -190,7 +189,7 @@ export default Vue.extend({
 
 		clearNotification() {
 			this.unreadCount = 0;
-			document.title = config.name;
+			document.title = (this as any).os.instanceName;
 		},
 
 		onVisibilitychange() {
diff --git a/src/client/app/mobile/views/components/ui.header.vue b/src/client/app/mobile/views/components/ui.header.vue
index b87c6f1eb7..a616586c56 100644
--- a/src/client/app/mobile/views/components/ui.header.vue
+++ b/src/client/app/mobile/views/components/ui.header.vue
@@ -8,7 +8,7 @@
 			<button class="nav" @click="$parent.isDrawerOpening = true">%fa:bars%</button>
 			<template v-if="hasUnreadNotification || hasUnreadMessagingMessage || hasGameInvitation">%fa:circle%</template>
 			<h1>
-				<slot>config.name</slot>
+				<slot>{{ os.instanceName }}</slot>
 			</h1>
 			<slot name="func"></slot>
 		</div>
@@ -20,13 +20,11 @@
 <script lang="ts">
 import Vue from 'vue';
 import * as anime from 'animejs';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	props: ['func'],
 	data() {
 		return {
-			config,
 			hasGameInvitation: false,
 			connection: null,
 			connectionId: null
diff --git a/src/client/app/mobile/views/pages/drive.vue b/src/client/app/mobile/views/pages/drive.vue
index 72427a4780..c7cbe0f72e 100644
--- a/src/client/app/mobile/views/pages/drive.vue
+++ b/src/client/app/mobile/views/pages/drive.vue
@@ -25,7 +25,6 @@
 <script lang="ts">
 import Vue from 'vue';
 import Progress from '../../../common/scripts/loading';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	data() {
@@ -44,7 +43,7 @@ export default Vue.extend({
 		window.addEventListener('popstate', this.onPopState);
 	},
 	mounted() {
-		document.title = `${config.name} Drive`;
+		document.title = `${(this as any).os.instanceName} Drive`;
 		document.documentElement.style.background = '#fff';
 	},
 	beforeDestroy() {
@@ -64,7 +63,7 @@ export default Vue.extend({
 			(this.$refs as any).browser.openContextMenu();
 		},
 		onMoveRoot(silent) {
-			const title = `${config.name} Drive`;
+			const title = `${(this as any).os.instanceName} Drive`;
 
 			if (!silent) {
 				// Rewrite URL
@@ -77,7 +76,7 @@ export default Vue.extend({
 			this.folder = null;
 		},
 		onOpenFolder(folder, silent) {
-			const title = `${folder.name} | ${config.name} Drive`;
+			const title = `${folder.name} | ${(this as any).os.instanceName} Drive`;
 
 			if (!silent) {
 				// Rewrite URL
@@ -90,7 +89,7 @@ export default Vue.extend({
 			this.folder = folder;
 		},
 		onOpenFile(file, silent) {
-			const title = `${file.name} | ${config.name} Drive`;
+			const title = `${file.name} | ${(this as any).os.instanceName} Drive`;
 
 			if (!silent) {
 				// Rewrite URL
diff --git a/src/client/app/mobile/views/pages/favorites.vue b/src/client/app/mobile/views/pages/favorites.vue
index 491890bb0e..6b9aec6a0c 100644
--- a/src/client/app/mobile/views/pages/favorites.vue
+++ b/src/client/app/mobile/views/pages/favorites.vue
@@ -14,7 +14,6 @@
 <script lang="ts">
 import Vue from 'vue';
 import Progress from '../../../common/scripts/loading';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	data() {
@@ -29,7 +28,7 @@ export default Vue.extend({
 		this.fetch();
 	},
 	mounted() {
-		document.title = `${config.name} | %i18n:@notifications%`;
+		document.title = `${(this as any).os.instanceName} | %i18n:@notifications%`;
 	},
 	methods: {
 		fetch() {
diff --git a/src/client/app/mobile/views/pages/followers.vue b/src/client/app/mobile/views/pages/followers.vue
index 5bba534ba0..421c150856 100644
--- a/src/client/app/mobile/views/pages/followers.vue
+++ b/src/client/app/mobile/views/pages/followers.vue
@@ -21,7 +21,6 @@ import Vue from 'vue';
 import Progress from '../../../common/scripts/loading';
 import parseAcct from '../../../../../misc/acct/parse';
 import getUserName from '../../../../../misc/get-user-name';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	data() {
@@ -50,7 +49,7 @@ export default Vue.extend({
 				this.user = user;
 				this.fetching = false;
 
-				document.title = '%i18n:@followers-of%'.replace('{}', this.name) + ' | ' + config.name;
+				document.title = '%i18n:@followers-of%'.replace('{}', this.name) + ' | ' + (this as any).os.instanceName;
 			});
 		},
 		onLoaded() {
diff --git a/src/client/app/mobile/views/pages/following.vue b/src/client/app/mobile/views/pages/following.vue
index cdc009b768..ff201ff2bd 100644
--- a/src/client/app/mobile/views/pages/following.vue
+++ b/src/client/app/mobile/views/pages/following.vue
@@ -20,7 +20,6 @@
 import Vue from 'vue';
 import Progress from '../../../common/scripts/loading';
 import parseAcct from '../../../../../misc/acct/parse';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	data() {
@@ -49,7 +48,7 @@ export default Vue.extend({
 				this.user = user;
 				this.fetching = false;
 
-				document.title = '%i18n:@followers-of%'.replace('{}', this.name) + ' | ' + config.name;
+				document.title = '%i18n:@followers-of%'.replace('{}', this.name) + ' | ' + (this as any).os.instanceName;
 			});
 		},
 		onLoaded() {
diff --git a/src/client/app/mobile/views/pages/games/reversi.vue b/src/client/app/mobile/views/pages/games/reversi.vue
index 448c9b8d77..d6849a1c11 100644
--- a/src/client/app/mobile/views/pages/games/reversi.vue
+++ b/src/client/app/mobile/views/pages/games/reversi.vue
@@ -7,11 +7,10 @@
 
 <script lang="ts">
 import Vue from 'vue';
-import * as config from '../../../../config';
 
 export default Vue.extend({
 	mounted() {
-		document.title = `${config.name} %i18n:@reversi%`;
+		document.title = `${(this as any).os.instanceName} %i18n:@reversi%`;
 		document.documentElement.style.background = '#fff';
 	},
 	methods: {
diff --git a/src/client/app/mobile/views/pages/home.vue b/src/client/app/mobile/views/pages/home.vue
index c1ed97ac13..706c9cd28b 100644
--- a/src/client/app/mobile/views/pages/home.vue
+++ b/src/client/app/mobile/views/pages/home.vue
@@ -49,7 +49,6 @@
 import Vue from 'vue';
 import Progress from '../../../common/scripts/loading';
 import XTl from './home.timeline.vue';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	components: {
@@ -97,7 +96,7 @@ export default Vue.extend({
 	},
 
 	mounted() {
-		document.title = config.name;
+		document.title = (this as any).os.instanceName;
 
 		Progress.start();
 
diff --git a/src/client/app/mobile/views/pages/messaging-room.vue b/src/client/app/mobile/views/pages/messaging-room.vue
index e2016fc82a..401397d856 100644
--- a/src/client/app/mobile/views/pages/messaging-room.vue
+++ b/src/client/app/mobile/views/pages/messaging-room.vue
@@ -11,7 +11,6 @@
 <script lang="ts">
 import Vue from 'vue';
 import parseAcct from '../../../../../misc/acct/parse';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	data() {
@@ -48,7 +47,7 @@ export default Vue.extend({
 				this.user = user;
 				this.fetching = false;
 
-				document.title = `%i18n:@messaging%: ${Vue.filter('userName')(this.user)} | ${config.name}`;
+				document.title = `%i18n:@messaging%: ${Vue.filter('userName')(this.user)} | ${(this as any).os.instanceName}`;
 			});
 		}
 	}
diff --git a/src/client/app/mobile/views/pages/messaging.vue b/src/client/app/mobile/views/pages/messaging.vue
index 9f2beb860c..3883505281 100644
--- a/src/client/app/mobile/views/pages/messaging.vue
+++ b/src/client/app/mobile/views/pages/messaging.vue
@@ -8,11 +8,10 @@
 <script lang="ts">
 import Vue from 'vue';
 import getAcct from '../../../../../misc/acct/render';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	mounted() {
-		document.title = `${config.name} %i18n:@messaging%`;
+		document.title = `${(this as any).os.instanceName} %i18n:@messaging%`;
 	},
 	methods: {
 		navigate(user) {
diff --git a/src/client/app/mobile/views/pages/note.vue b/src/client/app/mobile/views/pages/note.vue
index 8b1095c509..fee60b350e 100644
--- a/src/client/app/mobile/views/pages/note.vue
+++ b/src/client/app/mobile/views/pages/note.vue
@@ -16,7 +16,6 @@
 <script lang="ts">
 import Vue from 'vue';
 import Progress from '../../../common/scripts/loading';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	data() {
@@ -32,7 +31,7 @@ export default Vue.extend({
 		this.fetch();
 	},
 	mounted() {
-		document.title = config.name;
+		document.title = (this as any).os.instanceName;
 	},
 	methods: {
 		fetch() {
diff --git a/src/client/app/mobile/views/pages/search.vue b/src/client/app/mobile/views/pages/search.vue
index 0b37a3c7bd..6e8118ff94 100644
--- a/src/client/app/mobile/views/pages/search.vue
+++ b/src/client/app/mobile/views/pages/search.vue
@@ -12,7 +12,6 @@
 <script lang="ts">
 import Vue from 'vue';
 import Progress from '../../../common/scripts/loading';
-import * as config from '../../../config';
 
 const limit = 20;
 
@@ -35,7 +34,7 @@ export default Vue.extend({
 		}
 	},
 	mounted() {
-		document.title = `%i18n:@search%: ${this.q} | ${config.name}`;
+		document.title = `%i18n:@search%: ${this.q} | ${(this as any).os.instanceName}`;
 
 		this.fetch();
 	},
diff --git a/src/client/app/mobile/views/pages/share.vue b/src/client/app/mobile/views/pages/share.vue
index dcb55e6702..588b0941e6 100644
--- a/src/client/app/mobile/views/pages/share.vue
+++ b/src/client/app/mobile/views/pages/share.vue
@@ -12,12 +12,11 @@
 
 <script lang="ts">
 import Vue from 'vue';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	data() {
 		return {
-			name: config.name,
+			name: (this as any).os.instanceName,
 			posted: false,
 			text: new URLSearchParams(location.search).get('text')
 		};
diff --git a/src/client/app/mobile/views/pages/user.vue b/src/client/app/mobile/views/pages/user.vue
index 11ca1caebf..5ecd0b6950 100644
--- a/src/client/app/mobile/views/pages/user.vue
+++ b/src/client/app/mobile/views/pages/user.vue
@@ -67,7 +67,6 @@ import * as age from 's-age';
 import parseAcct from '../../../../../misc/acct/parse';
 import Progress from '../../../common/scripts/loading';
 import XHome from './user/home.vue';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	components: {
@@ -107,7 +106,7 @@ export default Vue.extend({
 				this.fetching = false;
 
 				Progress.done();
-				document.title = Vue.filter('userName')(this.user) + ' | ' + config.name;
+				document.title = Vue.filter('userName')(this.user) + ' | ' + (this as any).os.instanceName;
 			});
 		}
 	}
diff --git a/src/client/app/mobile/views/pages/welcome.vue b/src/client/app/mobile/views/pages/welcome.vue
index f8a7ff1c80..49227790ff 100644
--- a/src/client/app/mobile/views/pages/welcome.vue
+++ b/src/client/app/mobile/views/pages/welcome.vue
@@ -30,7 +30,7 @@
 
 <script lang="ts">
 import Vue from 'vue';
-import { apiUrl, copyright, host, name, description } from '../../../config';
+import { apiUrl, copyright, host } from '../../../config';
 
 export default Vue.extend({
 	data() {
@@ -39,12 +39,17 @@ export default Vue.extend({
 			copyright,
 			stats: null,
 			host,
-			name,
-			description,
+			name: 'Misskey',
+			description: '',
 			tags: []
 		};
 	},
 	created() {
+		(this as any).os.getMeta().then(meta => {
+			this.name = meta.name;
+			this.description = meta.description;
+		});
+
 		(this as any).api('stats').then(stats => {
 			this.stats = stats;
 		});
diff --git a/src/client/app/mobile/views/pages/widgets.vue b/src/client/app/mobile/views/pages/widgets.vue
index b90d710c67..a83103632e 100644
--- a/src/client/app/mobile/views/pages/widgets.vue
+++ b/src/client/app/mobile/views/pages/widgets.vue
@@ -53,7 +53,6 @@
 import Vue from 'vue';
 import * as XDraggable from 'vuedraggable';
 import * as uuid from 'uuid';
-import * as config from '../../../config';
 
 export default Vue.extend({
 	components: {
@@ -103,7 +102,7 @@ export default Vue.extend({
 	},
 
 	mounted() {
-		document.title = config.name;
+		document.title = (this as any).os.instanceName;
 	},
 
 	methods: {
diff --git a/src/server/api/endpoints/meta.ts b/src/server/api/endpoints/meta.ts
index 505ff60068..2b39f26b8e 100644
--- a/src/server/api/endpoints/meta.ts
+++ b/src/server/api/endpoints/meta.ts
@@ -33,7 +33,7 @@ export default () => new Promise(async (res, rej) => {
 		},
 		broadcasts: meta.broadcasts,
 		disableRegistration: meta.disableRegistration,
-		recaptchaSitekey: config.recaptcha.site_key,
-		swPublickey: config.sw.public_key
+		recaptchaSitekey: config.recaptcha ? config.recaptcha.site_key : null,
+		swPublickey: config.sw ? config.sw.public_key : null
 	});
 });