diff --git a/src/client/app/common/scripts/note-mixin.ts b/src/client/app/common/scripts/note-mixin.ts
index 93debf81e..6d86c7082 100644
--- a/src/client/app/common/scripts/note-mixin.ts
+++ b/src/client/app/common/scripts/note-mixin.ts
@@ -88,7 +88,7 @@ export default (opts: Opts = {}) => ({
 
 	methods: {
 		reply(viaKeyboard = false) {
-			(this as any).apis.post({
+			this.$root.apis.post({
 				reply: this.appearNote,
 				animation: !viaKeyboard,
 				cb: () => {
@@ -98,7 +98,7 @@ export default (opts: Opts = {}) => ({
 		},
 
 		renote(viaKeyboard = false) {
-			(this as any).apis.post({
+			this.$root.apis.post({
 				renote: this.appearNote,
 				animation: !viaKeyboard,
 				cb: () => {
diff --git a/src/client/app/common/views/components/api-settings.vue b/src/client/app/common/views/components/api-settings.vue
index 139aa4407..a6b74d7bb 100644
--- a/src/client/app/common/views/components/api-settings.vue
+++ b/src/client/app/common/views/components/api-settings.vue
@@ -50,7 +50,7 @@ export default Vue.extend({
 
 	methods: {
 		regenerateToken() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('enter-password'),
 				type: 'password'
 			}).then(password => {
diff --git a/src/client/app/common/views/components/games/reversi/reversi.index.vue b/src/client/app/common/views/components/games/reversi/reversi.index.vue
index eb657365a..f020e8208 100644
--- a/src/client/app/common/views/components/games/reversi/reversi.index.vue
+++ b/src/client/app/common/views/components/games/reversi/reversi.index.vue
@@ -100,7 +100,7 @@ export default Vue.extend({
 		},
 
 		match() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('enter-username')
 			}).then(username => {
 				this.$root.api('users/show', {
diff --git a/src/client/app/common/views/components/messaging-room.form.vue b/src/client/app/common/views/components/messaging-room.form.vue
index 32cceb0c0..7c45df47d 100644
--- a/src/client/app/common/views/components/messaging-room.form.vue
+++ b/src/client/app/common/views/components/messaging-room.form.vue
@@ -131,7 +131,7 @@ export default Vue.extend({
 		},
 
 		chooseFileFromDrive() {
-			(this as any).apis.chooseDriveFile({
+			this.$root.apis.chooseDriveFile({
 				multiple: false
 			}).then(file => {
 				this.file = file;
diff --git a/src/client/app/common/views/components/password-settings.vue b/src/client/app/common/views/components/password-settings.vue
index 01396bf32..048770401 100644
--- a/src/client/app/common/views/components/password-settings.vue
+++ b/src/client/app/common/views/components/password-settings.vue
@@ -12,20 +12,20 @@ export default Vue.extend({
 	i18n: i18n('common/views/components/password-settings.vue'),
 	methods: {
 		reset() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('enter-current-password'),
 				type: 'password'
 			}).then(currentPassword => {
-				(this as any).apis.input({
+				this.$root.apis.input({
 					title: this.$t('enter-new-password'),
 					type: 'password'
 				}).then(newPassword => {
-					(this as any).apis.input({
+					this.$root.apis.input({
 						title: this.$t('enter-new-password-again'),
 						type: 'password'
 					}).then(newPassword2 => {
 						if (newPassword !== newPassword2) {
-							(this as any).apis.dialog({
+							this.$root.apis.dialog({
 								title: null,
 								text: this.$t('not-match'),
 								actions: [{
@@ -38,7 +38,7 @@ export default Vue.extend({
 							currentPasword: currentPassword,
 							newPassword: newPassword
 						}).then(() => {
-							(this as any).apis.notify(this.$t('changed'));
+							this.$root.apis.notify(this.$t('changed'));
 						});
 					});
 				});
diff --git a/src/client/app/common/views/widgets/slideshow.vue b/src/client/app/common/views/widgets/slideshow.vue
index 689048172..58b19d0ab 100644
--- a/src/client/app/common/views/widgets/slideshow.vue
+++ b/src/client/app/common/views/widgets/slideshow.vue
@@ -114,7 +114,7 @@ export default define({
 			});
 		},
 		choose() {
-			(this as any).apis.chooseDriveFolder().then(folder => {
+			this.$root.apis.chooseDriveFolder().then(folder => {
 				this.props.folder = folder ? folder.id : null;
 				this.save();
 				this.fetch();
diff --git a/src/client/app/desktop/views/components/drive.file.vue b/src/client/app/desktop/views/components/drive.file.vue
index 779856006..c403418b2 100644
--- a/src/client/app/desktop/views/components/drive.file.vue
+++ b/src/client/app/desktop/views/components/drive.file.vue
@@ -149,7 +149,7 @@ export default Vue.extend({
 		},
 
 		rename() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('contextmenu.rename-file'),
 				placeholder: this.$t('contextmenu.input-new-file-name'),
 				default: this.file.name,
@@ -171,7 +171,7 @@ export default Vue.extend({
 
 		copyUrl() {
 			copyToClipboard(this.file.url);
-			(this as any).apis.dialog({
+			this.$root.apis.dialog({
 				title: this.$t('contextmenu.copied'),
 				text: this.$t('contextmenu.copied-url-to-clipboard'),
 				actions: [{
@@ -181,11 +181,11 @@ export default Vue.extend({
 		},
 
 		setAsAvatar() {
-			(this as any).apis.updateAvatar(this.file);
+			this.$root.apis.updateAvatar(this.file);
 		},
 
 		setAsBanner() {
-			(this as any).apis.updateBanner(this.file);
+			this.$root.apis.updateBanner(this.file);
 		},
 
 		addApp() {
diff --git a/src/client/app/desktop/views/components/drive.folder.vue b/src/client/app/desktop/views/components/drive.folder.vue
index 7ce9f7401..2f595ddbe 100644
--- a/src/client/app/desktop/views/components/drive.folder.vue
+++ b/src/client/app/desktop/views/components/drive.folder.vue
@@ -156,7 +156,7 @@ export default Vue.extend({
 				}).catch(err => {
 					switch (err) {
 						case 'detected-circular-definition':
-							(this as any).apis.dialog({
+							this.$root.apis.dialog({
 								title: this.$t('unable-to-process'),
 								text: this.$t('circular-reference-detected'),
 								actions: [{
@@ -196,7 +196,7 @@ export default Vue.extend({
 		},
 
 		rename() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('contextmenu.rename-folder'),
 				placeholder: this.$t('contextmenu.input-new-folder-name'),
 				default: this.folder.name
diff --git a/src/client/app/desktop/views/components/drive.vue b/src/client/app/desktop/views/components/drive.vue
index 8c004af87..cf9b8e715 100644
--- a/src/client/app/desktop/views/components/drive.vue
+++ b/src/client/app/desktop/views/components/drive.vue
@@ -314,7 +314,7 @@ export default Vue.extend({
 				}).catch(err => {
 					switch (err) {
 						case 'detected-circular-definition':
-							(this as any).apis.dialog({
+							this.$root.apis.dialog({
 								title: this.$t('unable-to-process'),
 								text: this.$t('circular-reference-detected'),
 								actions: [{
@@ -335,7 +335,7 @@ export default Vue.extend({
 		},
 
 		urlUpload() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('url-upload'),
 				placeholder: this.$t('url-of-file')
 			}).then(url => {
@@ -344,7 +344,7 @@ export default Vue.extend({
 					folderId: this.folder ? this.folder.id : undefined
 				});
 
-				(this as any).apis.dialog({
+				this.$root.apis.dialog({
 					title: this.$t('url-upload-requested'),
 					text: this.$t('may-take-time'),
 					actions: [{
@@ -355,7 +355,7 @@ export default Vue.extend({
 		},
 
 		createFolder() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('create-folder'),
 				placeholder: this.$t('folder-name')
 			}).then(name => {
diff --git a/src/client/app/desktop/views/components/home.vue b/src/client/app/desktop/views/components/home.vue
index 315171e3a..aa25b5b95 100644
--- a/src/client/app/desktop/views/components/home.vue
+++ b/src/client/app/desktop/views/components/home.vue
@@ -186,7 +186,7 @@ export default Vue.extend({
 
 	methods: {
 		hint() {
-			(this as any).apis.dialog({
+			this.$root.apis.dialog({
 				title: this.$t('@.customization-tips.title'),
 				text: this.$t('@.customization-tips.paragraph'),
 				actions: [{
diff --git a/src/client/app/desktop/views/components/post-form.vue b/src/client/app/desktop/views/components/post-form.vue
index 483908b7a..0af8a63ae 100644
--- a/src/client/app/desktop/views/components/post-form.vue
+++ b/src/client/app/desktop/views/components/post-form.vue
@@ -36,7 +36,7 @@
 	<button class="drive" :title="$t('attach-media-from-drive')" @click="chooseFileFromDrive"><fa icon="cloud"/></button>
 	<button class="kao" :title="$t('insert-a-kao')" @click="kao"><fa :icon="['far', 'smile']"/></button>
 	<button class="poll" :title="$t('create-poll')" @click="poll = !poll"><fa icon="chart-pie"/></button>
-	<button class="cw%" :title="$t('hide-contents%')" @click="useCw = !useCw"><fa icon="eye-slash"/></button>
+	<button class="cw" :title="$t('hide-contents%')" @click="useCw = !useCw"><fa icon="eye-slash"/></button>
 	<button class="geo" :title="$t('attach-location-information')" @click="geo ? removeGeo() : setGeo()"><fa icon="map-marker-alt"/></button>
 	<button class="visibility" :title="$t('visibility')" @click="setVisibility" ref="visibilityButton">
 		<span v-if="visibility === 'public'"><fa icon="globe"/></span>
@@ -45,9 +45,9 @@
 		<span v-if="visibility === 'specified'"><fa icon="envelope"/></span>
 		<span v-if="visibility === 'private'"><fa icon="lock"/></span>
 	</button>
-	<p class="text-count" :class="{ over: this.trimmedLength(text) > this.maxNoteTextLength }">{{ this.maxNoteTextLength - this.trimmedLength(text) }}</p>
+	<p class="text-count" :class="{ over: trimmedLength(text) > maxNoteTextLength }">{{ maxNoteTextLength - trimmedLength(text) }}</p>
 	<button :class="{ posting }" class="submit" :disabled="!canPost" @click="post">
-		{{ posting ? this.$t('posting') : submitText }}<mk-ellipsis v-if="posting"/>
+		{{ posting ? $t('posting') : submitText }}<mk-ellipsis v-if="posting"/>
 	</button>
 	<input ref="file" type="file" multiple="multiple" tabindex="-1" @change="onChangeFile"/>
 	<div class="dropzone" v-if="draghover"></div>
@@ -245,7 +245,7 @@ export default Vue.extend({
 		},
 
 		chooseFileFromDrive() {
-			(this as any).apis.chooseDriveFile({
+			this.$root.apis.chooseDriveFile({
 				multiple: true
 			}).then(files => {
 				files.forEach(this.attachMedia);
@@ -363,7 +363,7 @@ export default Vue.extend({
 		},
 
 		addVisibleUser() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('enter-username')
 			}).then(acct => {
 				if (acct.startsWith('@')) acct = acct.substr(1);
@@ -401,13 +401,13 @@ export default Vue.extend({
 				this.clear();
 				this.deleteDraft();
 				this.$emit('posted');
-				(this as any).apis.notify(this.renote
+				this.$root.apis.notify(this.renote
 					? this.$t('reposted')
 					: this.reply
 						? this.$t('replied')
 						: this.$t('posted'));
 			}).catch(err => {
-				(this as any).apis.notify(this.renote
+				this.$root.apis.notify(this.renote
 					? this.$t('renote-failed')
 					: this.reply
 						? this.$t('reply-failed')
@@ -689,6 +689,7 @@ export default Vue.extend({
 	> .drive
 	> .kao
 	> .poll
+	> .cw
 	> .geo
 	> .visibility
 		display inline-block
diff --git a/src/client/app/desktop/views/components/renote-form.vue b/src/client/app/desktop/views/components/renote-form.vue
index 79e21a28a..d2b3c25c0 100644
--- a/src/client/app/desktop/views/components/renote-form.vue
+++ b/src/client/app/desktop/views/components/renote-form.vue
@@ -34,9 +34,9 @@ export default Vue.extend({
 				renoteId: this.note.id
 			}).then(data => {
 				this.$emit('posted');
-				(this as any).apis.notify(this.$t('success'));
+				this.$root.apis.notify(this.$t('success'));
 			}).catch(err => {
-				(this as any).apis.notify(this.$t('failure'));
+				this.$root.apis.notify(this.$t('failure'));
 			}).then(() => {
 				this.wait = false;
 			});
diff --git a/src/client/app/desktop/views/components/settings.2fa.vue b/src/client/app/desktop/views/components/settings.2fa.vue
index 71d4eeb78..885b19d42 100644
--- a/src/client/app/desktop/views/components/settings.2fa.vue
+++ b/src/client/app/desktop/views/components/settings.2fa.vue
@@ -35,7 +35,7 @@ export default Vue.extend({
 	},
 	methods: {
 		register() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('enter-password'),
 				type: 'password'
 			}).then(password => {
@@ -48,14 +48,14 @@ export default Vue.extend({
 		},
 
 		unregister() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('enter-password'),
 				type: 'password'
 			}).then(password => {
 				this.$root.api('i/2fa/unregister', {
 					password: password
 				}).then(() => {
-					(this as any).apis.notify(this.$t('unregistered'));
+					this.$root.apis.notify(this.$t('unregistered'));
 					this.$store.state.i.twoFactorEnabled = false;
 				});
 			});
@@ -65,10 +65,10 @@ export default Vue.extend({
 			this.$root.api('i/2fa/done', {
 				token: this.token
 			}).then(() => {
-				(this as any).apis.notify(this.$t('success'));
+				this.$root.apis.notify(this.$t('success'));
 				this.$store.state.i.twoFactorEnabled = true;
 			}).catch(() => {
-				(this as any).apis.notify(this.$t('failed'));
+				this.$root.apis.notify(this.$t('failed'));
 			});
 		}
 	}
diff --git a/src/client/app/desktop/views/components/settings.vue b/src/client/app/desktop/views/components/settings.vue
index 81177b3f6..001928813 100644
--- a/src/client/app/desktop/views/components/settings.vue
+++ b/src/client/app/desktop/views/components/settings.vue
@@ -513,7 +513,7 @@ export default Vue.extend({
 			this.$emit('done');
 		},
 		updateWallpaper() {
-			(this as any).apis.chooseDriveFile({
+			this.$root.apis.chooseDriveFile({
 				multiple: false
 			}).then(file => {
 				this.$root.api('i/update', {
@@ -537,12 +537,12 @@ export default Vue.extend({
 				this.checkingForUpdate = false;
 				this.latestVersion = newer;
 				if (newer == null) {
-					(this as any).apis.dialog({
+					this.$root.apis.dialog({
 						title: this.$t('no-updates'),
 						text: this.$t('no-updates-desc')
 					});
 				} else {
-					(this as any).apis.dialog({
+					this.$root.apis.dialog({
 						title: this.$t('update-available'),
 						text: this.$t('update-available-desc')
 					});
@@ -551,7 +551,7 @@ export default Vue.extend({
 		},
 		clean() {
 			localStorage.clear();
-			(this as any).apis.dialog({
+			this.$root.apis.dialog({
 				title: this.$t('cache-cleared'),
 				text: this.$t('cache-cleared-desc')
 			});
diff --git a/src/client/app/desktop/views/components/timeline.vue b/src/client/app/desktop/views/components/timeline.vue
index 3629b19f3..d0929c4dc 100644
--- a/src/client/app/desktop/views/components/timeline.vue
+++ b/src/client/app/desktop/views/components/timeline.vue
@@ -109,7 +109,7 @@ export default Vue.extend({
 				icon: 'plus',
 				text: this.$t('add-list'),
 				action: () => {
-					(this as any).apis.input({
+					this.$root.apis.input({
 						title: this.$t('list-name'),
 					}).then(async title => {
 						const list = await this.$root.api('users/lists/create', {
diff --git a/src/client/app/desktop/views/components/ui.header.post.vue b/src/client/app/desktop/views/components/ui.header.post.vue
index 85f202f7a..79c1abd87 100644
--- a/src/client/app/desktop/views/components/ui.header.post.vue
+++ b/src/client/app/desktop/views/components/ui.header.post.vue
@@ -12,7 +12,7 @@ export default Vue.extend({
 	i18n: i18n('desktop/views/components/ui.header.post.vue'),
 	methods: {
 		post() {
-			(this as any).apis.post();
+			this.$root.apis.post();
 		}
 	}
 });
diff --git a/src/client/app/desktop/views/components/ui.sidebar.vue b/src/client/app/desktop/views/components/ui.sidebar.vue
index f1396093b..ac6740b93 100644
--- a/src/client/app/desktop/views/components/ui.sidebar.vue
+++ b/src/client/app/desktop/views/components/ui.sidebar.vue
@@ -139,7 +139,7 @@ export default Vue.extend({
 		},
 
 		post() {
-			(this as any).apis.post();
+			this.$root.apis.post();
 		},
 
 		drive() {
diff --git a/src/client/app/desktop/views/components/ui.vue b/src/client/app/desktop/views/components/ui.vue
index 18465922f..09a3aa790 100644
--- a/src/client/app/desktop/views/components/ui.vue
+++ b/src/client/app/desktop/views/components/ui.vue
@@ -67,7 +67,7 @@ export default Vue.extend({
 
 	methods: {
 		post() {
-			(this as any).apis.post();
+			this.$root.apis.post();
 		},
 
 		toggleZenMode() {
diff --git a/src/client/app/desktop/views/components/user-lists-window.vue b/src/client/app/desktop/views/components/user-lists-window.vue
index c8d789dea..2f4ed16d8 100644
--- a/src/client/app/desktop/views/components/user-lists-window.vue
+++ b/src/client/app/desktop/views/components/user-lists-window.vue
@@ -29,7 +29,7 @@ export default Vue.extend({
 	},
 	methods: {
 		add() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('list-name'),
 			}).then(async title => {
 				const list = await this.$root.api('users/lists/create', {
diff --git a/src/client/app/desktop/views/pages/deck/deck.column.vue b/src/client/app/desktop/views/pages/deck/deck.column.vue
index c23e32783..1fad1ddd8 100644
--- a/src/client/app/desktop/views/pages/deck/deck.column.vue
+++ b/src/client/app/desktop/views/pages/deck/deck.column.vue
@@ -168,7 +168,7 @@ export default Vue.extend({
 				icon: 'pencil-alt',
 				text: this.$t('rename'),
 				action: () => {
-					(this as any).apis.input({
+					this.$root.apis.input({
 						title: this.$t('rename'),
 						default: this.name,
 						allowEmpty: false
diff --git a/src/client/app/desktop/views/pages/deck/deck.notification.vue b/src/client/app/desktop/views/pages/deck/deck.notification.vue
index f1b482f3a..9418007f2 100644
--- a/src/client/app/desktop/views/pages/deck/deck.notification.vue
+++ b/src/client/app/desktop/views/pages/deck/deck.notification.vue
@@ -137,7 +137,7 @@ export default Vue.extend({
 				align-items baseline
 				white-space nowrap
 
-				i, .mk-reaction-icon
+				[data-icon], .mk-reaction-icon
 					margin-right 4px
 
 				> .mk-time
@@ -159,15 +159,15 @@ export default Vue.extend({
 					margin-right 3px
 
 		&.renote
-			> div > header i
+			> div > header [data-icon]
 				color #77B255
 
 		&.follow
-			> div > header i
+			> div > header [data-icon]
 				color #53c7ce
 
 		&.receiveFollowRequest
-			> div > header i
+			> div > header [data-icon]
 				color #888
 
 </style>
diff --git a/src/client/app/desktop/views/pages/deck/deck.vue b/src/client/app/desktop/views/pages/deck/deck.vue
index 8acc908ec..a702053c1 100644
--- a/src/client/app/desktop/views/pages/deck/deck.vue
+++ b/src/client/app/desktop/views/pages/deck/deck.vue
@@ -131,7 +131,7 @@ export default Vue.extend({
 	},
 
 	mounted() {
-		document.title = this.$root.os.instanceName;
+		document.title = this.$root.instanceName;
 		document.documentElement.style.overflow = 'hidden';
 	},
 
@@ -255,7 +255,7 @@ export default Vue.extend({
 					icon: 'hashtag',
 					text: this.$t('@deck.hashtag'),
 					action: () => {
-						(this as any).apis.input({
+						this.$root.apis.input({
 							title: this.$t('enter-hashtag-tl-title')
 						}).then(title => {
 							this.$store.dispatch('settings/addDeckColumn', {
diff --git a/src/client/app/desktop/views/pages/home.vue b/src/client/app/desktop/views/pages/home.vue
index 3195f948a..19e00880a 100644
--- a/src/client/app/desktop/views/pages/home.vue
+++ b/src/client/app/desktop/views/pages/home.vue
@@ -23,7 +23,7 @@ export default Vue.extend({
 		}
 	},
 	mounted() {
-		document.title = this.$root.os.instanceName;
+		document.title = this.$root.instanceName;
 
 		Progress.start();
 	},
diff --git a/src/client/app/desktop/views/pages/user/user.header.vue b/src/client/app/desktop/views/pages/user/user.header.vue
index c433c0f50..1ac45d027 100644
--- a/src/client/app/desktop/views/pages/user/user.header.vue
+++ b/src/client/app/desktop/views/pages/user/user.header.vue
@@ -81,7 +81,7 @@ export default Vue.extend({
 		onBannerClick() {
 			if (!this.$store.getters.isSignedIn || this.$store.state.i.id != this.user.id) return;
 
-			(this as any).apis.updateBanner().then(i => {
+			this.$root.apis.updateBanner().then(i => {
 				this.user.bannerUrl = i.bannerUrl;
 			});
 		}
diff --git a/src/client/app/desktop/views/pages/user/user.profile.vue b/src/client/app/desktop/views/pages/user/user.profile.vue
index c40be9079..d6bcd72f5 100644
--- a/src/client/app/desktop/views/pages/user/user.profile.vue
+++ b/src/client/app/desktop/views/pages/user/user.profile.vue
@@ -101,7 +101,7 @@ export default Vue.extend({
 					listId: list.id,
 					userId: this.user.id
 				});
-				(this as any).apis.dialog({
+				this.$root.apis.dialog({
 					title: 'Done!',
 					text: this.$t('list-pushed').replace('{user}', this.user.name).replace('{list}', list.title)
 				});
diff --git a/src/client/app/init.ts b/src/client/app/init.ts
index 0817c92f1..10745aade 100644
--- a/src/client/app/init.ts
+++ b/src/client/app/init.ts
@@ -285,7 +285,8 @@ export default (callback: (launch: (router: VueRouter, api?: (os: MiOS) => API)
 							windows: os.windows
 						},
 						stream: os.stream,
-						apis: os.apis
+						apis: os.apis,
+						instanceName: os.instanceName
 					};
 				},
 				methods: {
diff --git a/src/client/app/mobile/views/components/drive.file-detail.vue b/src/client/app/mobile/views/components/drive.file-detail.vue
index 83ee03d1e..68a16a835 100644
--- a/src/client/app/mobile/views/components/drive.file-detail.vue
+++ b/src/client/app/mobile/views/components/drive.file-detail.vue
@@ -101,7 +101,7 @@ export default Vue.extend({
 		},
 
 		move() {
-			(this as any).apis.chooseDriveFolder().then(folder => {
+			this.$root.apis.chooseDriveFolder().then(folder => {
 				this.$root.api('drive/files/update', {
 					fileId: this.file.id,
 					folderId: folder == null ? null : folder.id
diff --git a/src/client/app/mobile/views/components/drive.vue b/src/client/app/mobile/views/components/drive.vue
index 7c0a2cd74..90e2a325c 100644
--- a/src/client/app/mobile/views/components/drive.vue
+++ b/src/client/app/mobile/views/components/drive.vue
@@ -439,7 +439,7 @@ export default Vue.extend({
 				alert(this.$t('root-move-alert'));
 				return;
 			}
-			(this as any).apis.chooseDriveFolder().then(folder => {
+			this.$root.apis.chooseDriveFolder().then(folder => {
 				this.$root.api('drive/folders/update', {
 					parentId: folder ? folder.id : null,
 					folderId: this.folder.id
diff --git a/src/client/app/mobile/views/components/note-detail.vue b/src/client/app/mobile/views/components/note-detail.vue
index f6cbc82dd..bd9bc0a4d 100644
--- a/src/client/app/mobile/views/components/note-detail.vue
+++ b/src/client/app/mobile/views/components/note-detail.vue
@@ -196,13 +196,13 @@ export default Vue.extend({
 		},
 
 		reply() {
-			(this as any).apis.post({
+			this.$root.apis.post({
 				reply: this.p
 			});
 		},
 
 		renote() {
-			(this as any).apis.post({
+			this.$root.apis.post({
 				renote: this.p
 			});
 		},
diff --git a/src/client/app/mobile/views/components/post-form.vue b/src/client/app/mobile/views/components/post-form.vue
index a6e50934a..832914357 100644
--- a/src/client/app/mobile/views/components/post-form.vue
+++ b/src/client/app/mobile/views/components/post-form.vue
@@ -220,7 +220,7 @@ export default Vue.extend({
 		},
 
 		chooseFileFromDrive() {
-			(this as any).apis.chooseDriveFile({
+			this.$root.apis.chooseDriveFile({
 				multiple: true
 			}).then(files => {
 				files.forEach(this.attachMedia);
@@ -279,7 +279,7 @@ export default Vue.extend({
 		},
 
 		addVisibleUser() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('username-prompt')
 			}).then(acct => {
 				if (acct.startsWith('@')) acct = acct.substr(1);
diff --git a/src/client/app/mobile/views/pages/drive.vue b/src/client/app/mobile/views/pages/drive.vue
index ac207f1d5..e5085d2aa 100644
--- a/src/client/app/mobile/views/pages/drive.vue
+++ b/src/client/app/mobile/views/pages/drive.vue
@@ -45,7 +45,7 @@ export default Vue.extend({
 		window.addEventListener('popstate', this.onPopState);
 	},
 	mounted() {
-		document.title = `${this.$root.os.instanceName} Drive`;
+		document.title = `${this.$root.instanceName} Drive`;
 	},
 	beforeDestroy() {
 		window.removeEventListener('popstate', this.onPopState);
@@ -64,7 +64,7 @@ export default Vue.extend({
 			(this.$refs as any).browser.openContextMenu();
 		},
 		onMoveRoot(silent) {
-			const title = `${this.$root.os.instanceName} Drive`;
+			const title = `${this.$root.instanceName} Drive`;
 
 			if (!silent) {
 				// Rewrite URL
@@ -77,7 +77,7 @@ export default Vue.extend({
 			this.folder = null;
 		},
 		onOpenFolder(folder, silent) {
-			const title = `${folder.name} | ${this.$root.os.instanceName} Drive`;
+			const title = `${folder.name} | ${this.$root.instanceName} Drive`;
 
 			if (!silent) {
 				// Rewrite URL
@@ -90,7 +90,7 @@ export default Vue.extend({
 			this.folder = folder;
 		},
 		onOpenFile(file, silent) {
-			const title = `${file.name} | ${this.$root.os.instanceName} Drive`;
+			const title = `${file.name} | ${this.$root.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 35f639ec0..ed6095bd7 100644
--- a/src/client/app/mobile/views/pages/favorites.vue
+++ b/src/client/app/mobile/views/pages/favorites.vue
@@ -30,7 +30,7 @@ export default Vue.extend({
 		this.fetch();
 	},
 	mounted() {
-		document.title = `${this.$root.os.instanceName} | %i18n:@notifications%`;
+		document.title = `${this.$root.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 4d69d2cf5..e5efe185c 100644
--- a/src/client/app/mobile/views/pages/followers.vue
+++ b/src/client/app/mobile/views/pages/followers.vue
@@ -50,7 +50,7 @@ export default Vue.extend({
 				this.user = user;
 				this.fetching = false;
 
-				document.title = `${this.$t('followers-of').replace('{}', this.name)} | ${this.$root.os.instanceName}`;
+				document.title = `${this.$t('followers-of').replace('{}', this.name)} | ${this.$root.instanceName}`;
 			});
 		},
 		onLoaded() {
diff --git a/src/client/app/mobile/views/pages/following.vue b/src/client/app/mobile/views/pages/following.vue
index 52f74eff2..e55a3b4cd 100644
--- a/src/client/app/mobile/views/pages/following.vue
+++ b/src/client/app/mobile/views/pages/following.vue
@@ -49,7 +49,7 @@ export default Vue.extend({
 				this.user = user;
 				this.fetching = false;
 
-				document.title = `${this.$t('followers-of').replace('{}', this.name)} | ${this.$root.os.instanceName}`;
+				document.title = `${this.$t('followers-of').replace('{}', this.name)} | ${this.$root.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 4663ec7f1..470f5cb16 100644
--- a/src/client/app/mobile/views/pages/games/reversi.vue
+++ b/src/client/app/mobile/views/pages/games/reversi.vue
@@ -15,7 +15,7 @@ export default Vue.extend({
 		XReversi: () => import('../../../../common/views/components/games/reversi/reversi.vue')
 	},
 	mounted() {
-		document.title = `${this.$root.os.instanceName} %i18n:@reversi%`;
+		document.title = `${this.$root.instanceName} %i18n:@reversi%`;
 	},
 	methods: {
 		nav(game, actualNav) {
diff --git a/src/client/app/mobile/views/pages/home.vue b/src/client/app/mobile/views/pages/home.vue
index 8849397df..dd4785e0a 100644
--- a/src/client/app/mobile/views/pages/home.vue
+++ b/src/client/app/mobile/views/pages/home.vue
@@ -128,7 +128,7 @@ export default Vue.extend({
 	},
 
 	mounted() {
-		document.title = this.$root.os.instanceName;
+		document.title = this.$root.instanceName;
 
 		Progress.start();
 
@@ -139,7 +139,7 @@ export default Vue.extend({
 
 	methods: {
 		fn() {
-			(this as any).apis.post();
+			this.$root.apis.post();
 		},
 
 		saveSrc() {
diff --git a/src/client/app/mobile/views/pages/messaging-room.vue b/src/client/app/mobile/views/pages/messaging-room.vue
index 784c1fcaa..2bd506b6a 100644
--- a/src/client/app/mobile/views/pages/messaging-room.vue
+++ b/src/client/app/mobile/views/pages/messaging-room.vue
@@ -49,7 +49,7 @@ export default Vue.extend({
 				this.user = user;
 				this.fetching = false;
 
-				document.title = `${this.$t('@.messaging')}: ${Vue.filter('userName')(this.user)} | ${this.$root.os.instanceName}`;
+				document.title = `${this.$t('@.messaging')}: ${Vue.filter('userName')(this.user)} | ${this.$root.instanceName}`;
 			});
 		}
 	}
diff --git a/src/client/app/mobile/views/pages/messaging.vue b/src/client/app/mobile/views/pages/messaging.vue
index 59b541028..9af5d1cd1 100644
--- a/src/client/app/mobile/views/pages/messaging.vue
+++ b/src/client/app/mobile/views/pages/messaging.vue
@@ -13,7 +13,7 @@ import getAcct from '../../../../../misc/acct/render';
 export default Vue.extend({
 	i18n: i18n(),
 	mounted() {
-		document.title = `${this.$root.os.instanceName} ${this.$t('@.messaging')}`;
+		document.title = `${this.$root.instanceName} ${this.$t('@.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 a0449298e..79757ea37 100644
--- a/src/client/app/mobile/views/pages/note.vue
+++ b/src/client/app/mobile/views/pages/note.vue
@@ -33,7 +33,7 @@ export default Vue.extend({
 		this.fetch();
 	},
 	mounted() {
-		document.title = this.$root.os.instanceName;
+		document.title = this.$root.instanceName;
 	},
 	methods: {
 		fetch() {
diff --git a/src/client/app/mobile/views/pages/search.vue b/src/client/app/mobile/views/pages/search.vue
index 00723c26f..fbabfdf6a 100644
--- a/src/client/app/mobile/views/pages/search.vue
+++ b/src/client/app/mobile/views/pages/search.vue
@@ -36,7 +36,7 @@ export default Vue.extend({
 		}
 	},
 	mounted() {
-		document.title = `%i18n:@search%: ${this.q} | ${this.$root.os.instanceName}`;
+		document.title = `%i18n:@search%: ${this.q} | ${this.$root.instanceName}`;
 
 		this.fetch();
 	},
diff --git a/src/client/app/mobile/views/pages/settings.vue b/src/client/app/mobile/views/pages/settings.vue
index bc1af8c57..68dd9bfbb 100644
--- a/src/client/app/mobile/views/pages/settings.vue
+++ b/src/client/app/mobile/views/pages/settings.vue
@@ -343,12 +343,12 @@ export default Vue.extend({
 				this.checkingForUpdate = false;
 				this.latestVersion = newer;
 				if (newer == null) {
-					(this as any).apis.dialog({
+					this.$root.apis.dialog({
 						title: this.$t('no-updates'),
 						text: this.$t('no-updates-desc')
 					});
 				} else {
-					(this as any).apis.dialog({
+					this.$root.apis.dialog({
 						title: this.$t('update-available'),
 						text: this.$t('update-available-desc')
 					});
diff --git a/src/client/app/mobile/views/pages/user-lists.vue b/src/client/app/mobile/views/pages/user-lists.vue
index 5cd9d144d..2f0c25b4a 100644
--- a/src/client/app/mobile/views/pages/user-lists.vue
+++ b/src/client/app/mobile/views/pages/user-lists.vue
@@ -38,7 +38,7 @@ export default Vue.extend({
 	},
 	methods: {
 		fn() {
-			(this as any).apis.input({
+			this.$root.apis.input({
 				title: this.$t('enter-list-name'),
 			}).then(async title => {
 				const list = await this.$root.api('users/lists/create', {
diff --git a/src/client/app/mobile/views/pages/user.vue b/src/client/app/mobile/views/pages/user.vue
index 5b915bc1e..7ac6e1772 100644
--- a/src/client/app/mobile/views/pages/user.vue
+++ b/src/client/app/mobile/views/pages/user.vue
@@ -110,7 +110,7 @@ export default Vue.extend({
 				this.fetching = false;
 
 				Progress.done();
-				document.title = `${Vue.filter('userName')(this.user)} | ${this.$root.os.instanceName}`;
+				document.title = `${Vue.filter('userName')(this.user)} | ${this.$root.instanceName}`;
 			});
 		},
 
diff --git a/src/client/app/mobile/views/pages/widgets.vue b/src/client/app/mobile/views/pages/widgets.vue
index 739d6ecad..8db5399cf 100644
--- a/src/client/app/mobile/views/pages/widgets.vue
+++ b/src/client/app/mobile/views/pages/widgets.vue
@@ -104,7 +104,7 @@ export default Vue.extend({
 	},
 
 	mounted() {
-		document.title = this.$root.os.instanceName;
+		document.title = this.$root.instanceName;
 	},
 
 	methods: {