diff --git a/src/web/app/auth/tags/form.tag b/src/web/app/auth/tags/form.tag
index 619c71065e..4a236f7594 100644
--- a/src/web/app/auth/tags/form.tag
+++ b/src/web/app/auth/tags/form.tag
@@ -108,19 +108,23 @@
 	<script>
 		this.mixin('api');
 
-		this.session = this.opts.session
-		this.app = @session.app
+		this.session = this.opts.session;
+		this.app = this.session.app;
 
 		this.cancel = () => {
 			this.api('auth/deny', {
-				token: @session.token
+				token: this.session.token
 			}).then(() => {
 				this.trigger('denied');
+			});
+		};
 
 		this.accept = () => {
 			this.api('auth/accept', {
-				token: @session.token
+				token: this.session.token
 			}).then(() => {
 				this.trigger('accepted');
+			});
+		};
 	</script>
 </mk-form>
diff --git a/src/web/app/auth/tags/index.tag b/src/web/app/auth/tags/index.tag
index e52aeed4d2..f80e9dd1bc 100644
--- a/src/web/app/auth/tags/index.tag
+++ b/src/web/app/auth/tags/index.tag
@@ -91,47 +91,57 @@
 		this.mixin('i');
 		this.mixin('api');
 
-		this.state = null
-		this.fetching = true
+		this.state = null;
+		this.fetching = true;
 
-		this.token = window.location.href.split '/' .pop!
+		this.token = window.location.href.split('/').pop();
 
 		this.on('mount', () => {
-			if not this.SIGNIN then return
+			if (!this.SIGNIN) return;
 
 			// Fetch session
 			this.api('auth/session/show', {
-				token: @token
-			}).then((session) => {
-				this.session = session
-				this.fetching = false
+				token: this.token
+			}).then(session => {
+				this.session = session;
+				this.fetching = false;
 
 				// 既に連携していた場合
-				if @session.app.is_authorized
+				if (this.session.app.is_authorized) {
 					this.api('auth/accept', {
-						token: @session.token
+						token: this.session.token
 					}).then(() => {
-						@accepted!
-				else
-					this.state = 'waiting' 
-					this.update();
+						this.accepted();
+					});
+				} else {
+					this.update({
+						state: 'waiting'
+					});
 
 					this.refs.form.on('denied', () => {
-						this.state = 'denied' 
-						this.update();
+						this.update({
+							state: 'denied'
+						});
+					});
 
-					this.refs.form.on 'accepted' @accepted
-
-			.catch (error) =>
-				this.fetching = false
-				this.state = 'fetch-session-error' 
-				this.update();
+					this.refs.form.on('accepted', this.accepted);
+				}
+			}).catch(error => {
+				this.update({
+					fetching: false,
+					state: 'fetch-session-error'
+				});
+			});
+		});
 
 		this.accepted = () => {
-			this.state = 'accepted' 
-			this.update();
+			this.update({
+				state: 'accepted'
+			});
 
-			if @session.app.callback_url
-				location.href = @session.app.callback_url + '?token=' + @session.token
+			if (this.session.app.callback_url) {
+				location.href = this.session.app.callback_url + '?token=' + this.session.token;
+			}
+		};
 	</script>
 </mk-index>
diff --git a/src/web/app/common/tags/core-error.tag b/src/web/app/common/tags/core-error.tag
index e74e205afd..feac70fbea 100644
--- a/src/web/app/common/tags/core-error.tag
+++ b/src/web/app/common/tags/core-error.tag
@@ -1,8 +1,7 @@
 <mk-core-error>
-	<!--i: i.fa.fa-times-circle--><img src="/_/resources/error.jpg" alt=""/>
-	<h1>
-		<mk-ripple-string>サーバーに接続できません</mk-ripple-string>
-	</h1>
+	<!--i: i.fa.fa-times-circle-->
+	<img src="/_/resources/error.jpg" alt=""/>
+	<h1>サーバーに接続できません</h1>
 	<p class="text">インターネット回線に問題があるか、サーバーがダウンまたはメンテナンスしている可能性があります。しばらくしてから<a onclick={ retry }>再度お試し</a>ください。</p>
 	<p class="thanks">いつもMisskeyをご利用いただきありがとうございます。</p>
 	<style>
diff --git a/src/web/app/common/tags/index.js b/src/web/app/common/tags/index.js
index 21d817dbd2..90f03825e2 100644
--- a/src/web/app/common/tags/index.js
+++ b/src/web/app/common/tags/index.js
@@ -1,7 +1,6 @@
 require('./core-error.tag');
 require('./url.tag');
 require('./url-preview.tag');
-require('./ripple-string.tag');
 require('./time.tag');
 require('./file-type-icon.tag');
 require('./uploader.tag');
@@ -24,3 +23,4 @@ require('./messaging/room.tag');
 require('./messaging/message.tag');
 require('./messaging/index.tag');
 require('./messaging/form.tag');
+require('./stream-indicator.tag');
diff --git a/src/web/app/common/tags/ripple-string.tag b/src/web/app/common/tags/ripple-string.tag
deleted file mode 100644
index f6cd8c94d8..0000000000
--- a/src/web/app/common/tags/ripple-string.tag
+++ /dev/null
@@ -1,26 +0,0 @@
-<mk-ripple-string><yield/>
-	<style>
-		:scope
-			display inline
-
-			> span
-				animation ripple-string 5s infinite ease-in-out both
-
-			@keyframes ripple-string
-				0%, 50%, 100%
-					opacity 1
-				25%
-					opacity 0.5
-
-	</style>
-	<script>
-		this.on('mount', () => {
-			text = this.root.innerHTML
-			this.root.innerHTML = ''
-			(text.split '').forEach (c, i) =>
-				ce = document.createElement 'span' 
-				ce.innerHTML = c
-				ce.style.animationDelay = (i / 10) + 's'
-				this.root.appendChild ce
-	</script>
-</mk-ripple-string>
diff --git a/src/web/app/desktop/tags/stream-indicator.tag b/src/web/app/common/tags/stream-indicator.tag
similarity index 70%
rename from src/web/app/desktop/tags/stream-indicator.tag
rename to src/web/app/common/tags/stream-indicator.tag
index 6192b642f3..7d343a438a 100644
--- a/src/web/app/desktop/tags/stream-indicator.tag
+++ b/src/web/app/common/tags/stream-indicator.tag
@@ -1,9 +1,16 @@
 <mk-stream-indicator>
-	<p if={ state == 'initializing' }><i class="fa fa-spinner fa-spin"></i><span>接続中
-			<mk-ellipsis></mk-ellipsis></span></p>
-	<p if={ state == 'reconnecting' }><i class="fa fa-spinner fa-spin"></i><span>切断されました 接続中
-			<mk-ellipsis></mk-ellipsis></span></p>
-	<p if={ state == 'connected' }><i class="fa fa-check"></i><span>接続完了</span></p>
+	<p if={ state == 'initializing' }>
+		<i class="fa fa-spinner fa-spin"></i>
+		<span>接続中<mk-ellipsis></mk-ellipsis></span>
+	</p>
+	<p if={ state == 'reconnecting' }>
+		<i class="fa fa-spinner fa-spin"></i>
+		<span>切断されました 接続中<mk-ellipsis></mk-ellipsis></span>
+	</p>
+	<p if={ state == 'connected' }>
+		<i class="fa fa-check"></i>
+		<span>接続完了</span>
+	</p>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/index.js b/src/web/app/desktop/tags/index.js
index a90e42211d..6bbb774ee7 100644
--- a/src/web/app/desktop/tags/index.js
+++ b/src/web/app/desktop/tags/index.js
@@ -41,7 +41,6 @@ require('./home-widgets/notifications.tag');
 require('./home-widgets/rss-reader.tag');
 require('./home-widgets/photo-stream.tag');
 require('./home-widgets/broadcast.tag');
-require('./stream-indicator.tag');
 require('./timeline.tag');
 require('./messaging/window.tag');
 require('./messaging/room-window.tag');
diff --git a/src/web/app/desktop/tags/post-form.tag b/src/web/app/desktop/tags/post-form.tag
index 9ef7a2504e..2e3262fedb 100644
--- a/src/web/app/desktop/tags/post-form.tag
+++ b/src/web/app/desktop/tags/post-form.tag
@@ -455,6 +455,7 @@
 					wait: false
 				});
 			});
+		};
 
 		this.cat = () => {
 			this.refs.text.value += getCat();
diff --git a/src/web/app/dev/tags/new-app-form.tag b/src/web/app/dev/tags/new-app-form.tag
index c75eec37dd..e01be512fb 100644
--- a/src/web/app/dev/tags/new-app-form.tag
+++ b/src/web/app/dev/tags/new-app-form.tag
@@ -180,64 +180,73 @@
 	<script>
 		this.mixin('api');
 
-		this.nid-state = null
+		this.nidState = null;
 
-		this.on-change-nid = () => {
-			nid = this.refs.nid.value
+		this.onChangeNid = () => {
+			const nid = this.refs.nid.value;
 
-			if nid == ''
-				this.nid-state = null
-				this.update();
-				return
+			if (nid == '') {
+				this.update({
+					nidState: null
+				});
+				return;
+			}
 
-			err = switch
-				| not nid.match /^[a-zA-Z0-9\-]+$/ => 'invalid-format' 
-				| nid.length < 3chars              => 'min-range' 
-				| nid.length > 30chars             => 'max-range' 
-				| _                                     => null
+			const err =
+				!nid.match(/^[a-zA-Z0-9\-]+$/) ? 'invalid-format' :
+				nid.length < 3                 ? 'min-range' :
+				nid.length > 30                ? 'max-range' :
+				null;
 
-			if err?
-				this.nid-state = err
-				this.update();
-			else
-				this.nid-state = 'wait' 
-				this.update();
+			if (err) {
+				this.update({
+					nidState: err
+				});
+				return;
+			}
 
-				this.api('app/name_id/available', {
-					name_id: nid
-				}).then((result) => {
-					if result.available
-						this.nid-state = 'ok' 
-					else
-						this.nid-state = 'unavailable' 
-					this.update();
-				.catch (err) =>
-					this.nid-state = 'error' 
-					this.update();
+			this.update({
+				nidState: 'wait'
+			});
+
+			this.api('app/name_id/available', {
+				name_id: nid
+			}).then(result => {
+				this.update({
+					nidState: result.available ? 'ok' : 'unavailable'
+				});
+			}).catch(err => {
+				this.update({
+					nidState: 'error'
+				});
+			});
+		};
 
 		this.onsubmit = () => {
-			name = this.refs.name.value
-			nid = this.refs.nid.value
-			description = this.refs.description.value
-			cb = this.refs.cb.value
-			permission = []
+			const name = this.refs.name.value;
+			const nid = this.refs.nid.value;
+			const description = this.refs.description.value;
+			const cb = this.refs.cb.value;
+			const permission = [];
 
-			this.refs.permission.query-selector-all 'input' .forEach (el) =>
-				if el.checked then permission.push el.value
+			this.refs.permission.querySelectorAll('input').forEach(el => {
+				if (el.checked) permission.push(el.value);
+			});
+
+			const locker = document.body.appendChild(document.createElement('mk-locker'));
 
-			locker = document.body.appendChild(document.createElement('mk-locker'));
- 
 			this.api('app/create', {
-				name: name
-				name_id: nid
-				description: description
-				callback_url: cb
-				permission: permission.join ',' 
+				name: name,
+				name_id: nid,
+				description: description,
+				callback_url: cb,
+				permission: permission.join(',')
 			}).then(() => {
-				location.href = '/apps'
-			.catch =>
-				alert 'アプリの作成に失敗しました。再度お試しください。'
-
-				locker.parentNode.removeChild locker
+				location.href = '/apps';
+			}).catch(() => {
+				alert('アプリの作成に失敗しました。再度お試しください。');
+				locker.parentNode.removeChild(locker);
+			});
+		};
 	</script>
 </mk-new-app-form>
diff --git a/src/web/app/dev/tags/pages/app.tag b/src/web/app/dev/tags/pages/app.tag
index e6cadab1bc..b25e0d8595 100644
--- a/src/web/app/dev/tags/pages/app.tag
+++ b/src/web/app/dev/tags/pages/app.tag
@@ -12,19 +12,21 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
 		this.mixin('api');
 
-		this.fetching = true
+		this.fetching = true;
 
 		this.on('mount', () => {
 			this.api('app/show', {
 				app_id: this.opts.app
-			}).then((app) => {
-				this.app = app
-				this.fetching = false
-				this.update();
+			}).then(app => {
+				this.update({
+					fetching: false,
+					app: app
+				});
+			});
+		});
 	</script>
 </mk-app-page>
diff --git a/src/web/app/dev/tags/pages/apps.tag b/src/web/app/dev/tags/pages/apps.tag
index c87141711f..43db70fcf2 100644
--- a/src/web/app/dev/tags/pages/apps.tag
+++ b/src/web/app/dev/tags/pages/apps.tag
@@ -13,18 +13,21 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
 		this.mixin('api');
 
-		this.fetching = true
+		this.fetching = true;
 
 		this.on('mount', () => {
-			this.api 'my/apps' 
-			}).then((apps) => {
+			this.api('my/apps').then(apps => {
 				this.fetching = false
 				this.apps = apps
-				this.update();
+				this.update({
+					fetching: false,
+					apps: apps
+				});
+			});
+		});
 	</script>
 </mk-apps-page>
diff --git a/src/web/app/dev/tags/pages/index.tag b/src/web/app/dev/tags/pages/index.tag
index ff2494212c..f863876fa7 100644
--- a/src/web/app/dev/tags/pages/index.tag
+++ b/src/web/app/dev/tags/pages/index.tag
@@ -2,10 +2,5 @@
 	<style>
 		:scope
 			display block
-
-			
-
-			
-
 	</style>
 </mk-index>
diff --git a/src/web/app/mobile/tags/drive.tag b/src/web/app/mobile/tags/drive.tag
index 36c037d1a9..707ec9478e 100644
--- a/src/web/app/mobile/tags/drive.tag
+++ b/src/web/app/mobile/tags/drive.tag
@@ -3,7 +3,7 @@
 		<p onclick={ goRoot }><i class="fa fa-cloud"></i>ドライブ</p>
 		<virtual each={ folder in hierarchyFolders }>
 			<span><i class="fa fa-angle-right"></i></span>
-			<p onclick={ _move }>{ folder.name }</p>
+			<p onclick={ move }>{ folder.name }</p>
 		</virtual>
 		<virtual if={ folder != null }>
 			<span><i class="fa fa-angle-right"></i></span>
@@ -14,7 +14,7 @@
 			<p>{ file.name }</p>
 		</virtual>
 	</nav>
-	<div class="browser { loading: loading }" if={ file == null }>
+	<div class="browser { loading: fetching }" if={ file == null }>
 		<div class="folders" if={ folders.length > 0 }>
 			<virtual each={ folder in folders }>
 				<mk-drive-folder folder={ folder }></mk-drive-folder>
@@ -27,11 +27,11 @@
 			</virtual>
 			<p if={ moreFiles }>もっと読み込む</p>
 		</div>
-		<div class="empty" if={ files.length == 0 && folders.length == 0 && !loading }>
+		<div class="empty" if={ files.length == 0 && folders.length == 0 && !fetching }>
 			<p if={ !folder == null }>ドライブには何もありません。</p>
 			<p if={ folder != null }>このフォルダーは空です</p>
 		</div>
-		<div class="loading" if={ loading }>
+		<div class="loading" if={ fetching }>
 			<div class="spinner">
 				<div class="dot1"></div>
 				<div class="dot2"></div>
@@ -131,247 +131,263 @@
 		this.mixin('api');
 		this.mixin('stream');
 
-		this.files = []
-		this.folders = []
-		this.hierarchyFolders = []
-		this.selected-files = []
+		this.files = [];
+		this.folders = [];
+		this.hierarchyFolders = [];
+		this.selectedFiles = [];
 
 		// 現在の階層(フォルダ)
 		// * null でルートを表す
-		this.folder = null
+		this.folder = null;
 
-		this.file = null
+		this.file = null;
 
-		this.is-select-mode = this.opts.select? and this.opts.select
-		this.multiple = if this.opts.multiple? then this.opts.multiple else false
+		this.isSelectMode = this.opts.select;
+		this.multiple =this.opts.multiple;
 
 		this.on('mount', () => {
-			this.stream.on 'drive_file_created' this.onStreamDriveFileCreated
-			this.stream.on 'drive_file_updated' this.onStreamDriveFileUpdated
-			this.stream.on 'drive_folder_created' this.onStreamDriveFolderCreated
-			this.stream.on 'drive_folder_updated' this.onStreamDriveFolderUpdated
+			this.stream.on('drive_file_created', this.onStreamDriveFileCreated);
+			this.stream.on('drive_file_updated', this.onStreamDriveFileUpdated);
+			this.stream.on('drive_folder_created', this.onStreamDriveFolderCreated);
+			this.stream.on('drive_folder_updated', this.onStreamDriveFolderUpdated);
 
 			// Riotのバグでnullを渡しても""になる
 			// https://github.com/riot/riot/issues/2080
-			#if this.opts.folder?
-			if this.opts.folder? and this.opts.folder != ''
-				@cd this.opts.folder, true
-			else if this.opts.file? and this.opts.file != ''
-				@cf this.opts.file, true
-			else
+			//if (this.opts.folder)
+			//if (this.opts.file)
+			if (this.opts.folder && this.opts.folder != '') {
+				this.cd(this.opts.folder, true);
+			} else if (this.opts.file && this.opts.file != '') {
+				this.cf(this.opts.file, true);
+			} else {
 				this.load();
+			}
+		});
 
 		this.on('unmount', () => {
-			this.stream.off 'drive_file_created' this.onStreamDriveFileCreated
-			this.stream.off 'drive_file_updated' this.onStreamDriveFileUpdated
-			this.stream.off 'drive_folder_created' this.onStreamDriveFolderCreated
-			this.stream.off 'drive_folder_updated' this.onStreamDriveFolderUpdated
+			this.stream.off('drive_file_created', this.onStreamDriveFileCreated);
+			this.stream.off('drive_file_updated', this.onStreamDriveFileUpdated);
+			this.stream.off('drive_folder_created', this.onStreamDriveFolderCreated);
+			this.stream.off('drive_folder_updated', this.onStreamDriveFolderUpdated);
+		});
 
-		this.onStreamDriveFileCreated = (file) => {
-			this.addFile file, true
+		this.onStreamDriveFileCreated = file => {
+			this.addFile(file, true);
+		};
 
-		this.onStreamDriveFileUpdated = (file) => {
-			current = if this.folder? then this.folder.id else null
-			if current != file.folder_id
-				@remove-file file
-			else
-				this.addFile file, true
+		this.onStreamDriveFileUpdated = file => {
+			const current = this.folder ? this.folder.id : null;
+			if (current != file.folder_id) {
+				this.removeFile(file);
+			} else {
+				this.addFile(file, true);
+			}
+		};
 
-		this.onStreamDriveFolderCreated = (folder) => {
-			this.addFolder folder, true
+		this.onStreamDriveFolderCreated = folder => {
+			this.addFolder(folder, true);
+		};
 
-		this.onStreamDriveFolderUpdated = (folder) => {
-			current = if this.folder? then this.folder.id else null
-			if current != folder.parent_id
-				this.removeFolder folder
-			else
-				this.addFolder folder, true
+		this.onStreamDriveFolderUpdated = folder => {
+			const current = this.folder ? this.folder.id : null;
+			if (current != folder.parent_id) {
+				this.removeFolder(folder);
+			} else {
+				this.addFolder(folder, true);
+			}
+		};
 
-		@_move = (ev) =>
-			this.move ev.item.folder
+		this.move = ev => {
+			this.move(ev.item.folder);
+		};
 
-		this.move = (target-folder) => {
-			@cd target-folder
+		this.cd = (target, silent = false) => {
+			this.file = null;
 
-		this.cd = (target-folder, silent = false) => {
-			this.file = null
+			if (target == null) {
+				this.goRoot();
+				return;
+			} else if (typeof target == 'object') target = target.id;
 
-			if target-folder? and typeof target-folder == 'object' 
-				target-folder = target-folder.id
-
-			if target-folder == null
-				@go-root!
-				return
-
-			this.loading = true
-			this.update();
+			this.update({
+				fetching: true
+			});
 
 			this.api('drive/folders/show', {
-				folder_id: target-folder
-			}).then((folder) => {
-				this.folder = folder
-				this.hierarchyFolders = []
+				folder_id: target
+			}).then(folder => {
+				this.folder = folder;
+				this.hierarchyFolders = [];
 
-				x = (f) =>
-					@hierarchyFolders.unshift f
-					if f.parent?
-						x f.parent
-
-				if folder.parent?
-					x folder.parent
+				if (folder.parent) dive(folder.parent);
 
 				this.update();
-				this.trigger 'open-folder' this.folder, silent
+				this.trigger('open-folder', this.folder, silent);
 				this.load();
-			.catch (err, text-status) ->
-				console.error err
+			});
+		};
 
-		this.add-folder = (folder, unshift = false) => {
-			current = if this.folder? then this.folder.id else null
-			if current != folder.parent_id
-				return
+		this.addFolder = (folder, unshift = false) => {
+			const current = this.folder ? this.folder.id : null;
+			// 追加しようとしているフォルダが、今居る階層とは違う階層のものだったら中断
+			if (current != folder.parent_id) return;
 
-			if (this.folders.some (f) => f.id == folder.id)
-				return
+			// 追加しようとしているフォルダを既に所有してたら中断
+			if (this.folders.some(f => f.id == folder.id)) return;
 
-			if unshift
-				this.folders.unshift folder
-			else
-				this.folders.push folder
+			if (unshift) {
+				this.folders.unshift(folder);
+			} else {
+				this.folders.push(folder);
+			}
 
 			this.update();
+		};
 
-		this.add-file = (file, unshift = false) => {
-			current = if this.folder? then this.folder.id else null
-			if current != file.folder_id
-				return
+		this.addFile = (file, unshift = false) => {
+			const current = this.folder ? this.folder.id : null;
+			// 追加しようとしているファイルが、今居る階層とは違う階層のものだったら中断
+			if (current != file.folder_id) return;
 
-			if (this.files.some (f) => f.id == file.id)
-				exist = (this.files.map (f) -> f.id).index-of file.id
-				this.files[exist] = file
+			if (this.files.some(f => f.id == file.id)) {
+				const exist = this.files.map(f => f.id).indexOf(file.id);
+				this.files[exist] = file;
 				this.update();
-				return
+				return;
+			}
 
-			if unshift
-				this.files.unshift file
-			else
-				this.files.push file
+			if (unshift) {
+				this.files.unshift(file);
+			} else {
+				this.files.push(file);
+			}
 
 			this.update();
+		};
 
-		this.remove-folder = (folder) => {
-			if typeof folder == 'object' 
-				folder = folder.id
-			this.folders = this.folders.filter (f) -> f.id != folder
+		this.removeFolder = folder => {
+			if (typeof folder == 'object') folder = folder.id;
+			this.folders = this.folders.filter(f => f.id != folder);
 			this.update();
+		};
 
-		this.remove-file = (file) => {
-			if typeof file == 'object' 
-				file = file.id
-			this.files = this.files.filter (f) -> f.id != file
+		this.removeFile = file => {
+			if (typeof file == 'object') file = file.id;
+			this.files = this.files.filter(f => f.id != file);
 			this.update();
+		};
 
-		this.go-root = () => {
-			if this.folder != null or this.file != null
-				this.file = null
-				this.folder = null
-				this.hierarchyFolders = []
-				this.update();
+		this.goRoot = () => {
+			if (this.folder || this.file) {
+				this.update({
+					file: null,
+					folder: null,
+					hierarchyFolders: []
+				});
 				this.trigger('move-root');
 				this.load();
+			}
+		};
 
 		this.load = () => {
-			this.folders = []
-			this.files = []
-			this.more-folders = false
-			this.more-files = false
-			this.loading = true
-			this.update();
+			this.update({
+				folders: [],
+				files: [],
+				moreFolders: false,
+				moreFiles: false,
+				fetching: true
+			});
 
 			this.trigger('begin-load');
 
-			load-folders = null
-			load-files = null
+			let fetchedFolders = null;
+			let fetchedFiles = null;
 
-			folders-max = 20
-			files-max = 20
+			const foldersMax = 20;
+			const filesMax = 20;
 
 			// フォルダ一覧取得
 			this.api('drive/folders', {
-				folder_id: if this.folder? then this.folder.id else null
-				limit: folders-max + 1
-			}).then((folders) => {
-				if folders.length == folders-max + 1
-					this.more-folders = true
-					folders.pop!
-				load-folders := folders
-				complete!
-			.catch (err, text-status) =>
-				console.error err
+				folder_id: this.folder ? this.folder.id : null,
+				limit: foldersMax + 1
+			}).then(folders => {
+				if (folders.length == foldersMax + 1) {
+					this.moreFolders = true;
+					folders.pop();
+				}
+				fetchedFolders = folders;
+				complete();
+			});
 
 			// ファイル一覧取得
 			this.api('drive/files', {
-				folder_id: if this.folder? then this.folder.id else null
-				limit: files-max + 1
-			}).then((files) => {
-				if files.length == files-max + 1
-					this.more-files = true
-					files.pop!
-				load-files := files
-				complete!
-			.catch (err, text-status) =>
-				console.error err
-
-			flag = false
-			complete = =>
-				if flag
-					load-folders.forEach (folder) =>
-						this.addFolder folder
-					load-files.forEach (file) =>
-						this.addFile file
-					this.loading = false
-					this.update();
+				folder_id: this.folder ? this.folder.id : null,
+				limit: filesMax + 1
+			}).then(files => {
+				if (files.length == filesMax + 1) {
+					this.moreFiles = true;
+					files.pop();
+				}
+				fetchedFiles = files;
+				complete();
+			});
 
+			let flag = false;
+			complete = () => {
+				if (flag) {
+					fetchedFolders.forEach(folder => this.addFolder);
+					fetchedFiles.forEach(file => this.addFile);
+					this.update({
+						fetching: false
+					});
+					// 一連の読み込みが完了したイベントを発行
 					this.trigger('loaded');
-				else
-					flag := true
+				} else {
+					flag = true;
+					// 一連の読み込みが半分完了したイベントを発行
 					this.trigger('load-mid');
+				}
+			};
+		};
 
-		this.choose-file = (file) => {
-			if @is-select-mode
-				exist = @selected-files.some (f) => f.id == file.id
-				if exist
-					this.selected-files = (@selected-files.filter (f) => { f.id != file.id)
-				else
-					@selected-files.push file
+		this.chooseFile = file => {
+			if (this.isSelectMode) {
+				if (this.selectedFiles.some(f => f.id == file.id)) {
+					this.selectedFiles = this.selectedFiles.filter(f => f.id != file.id);
+				} else {
+					this.selectedFiles.push(file);
+				}
 				this.update();
-				this.trigger 'change-selected' @selected-files
-			else
-				@cf file
+				this.trigger('change-selected', this.selectedFiles);
+			} else {
+				this.cf(file);
+			}
+		};
 
 		this.cf = (file, silent = false) => {
-			if typeof file == 'object' 
-				file = file.id
+			if (typeof file == 'object') file = file.id;
 
-			this.loading = true
-			this.update();
+			this.update({
+				fetching: true
+			});
 
 			this.api('drive/files/show', {
 				file_id: file
-			}).then((file) => {
-				this.file = file
-				this.folder = null
-				this.hierarchyFolders = []
+			}).then(file => {
+				this.file = file;
+				this.folder = null;
+				this.hierarchyFolders = [];
 
-				x = (f) =>
-					@hierarchyFolders.unshift f
-					if f.parent?
-						x f.parent
-
-				if file.folder?
-					x file.folder
+				if (file.folder) dive(file.folder);
 
 				this.update();
-				this.trigger 'open-file' this.file, silent
+				this.trigger('open-file', this.file, silent);
+			});
+		};
+
+		const dive = folder => {
+			this.hierarchyFolders.unshift(folder);
+			if (folder.parent) dive(folder.parent);
+		};
 	</script>
 </mk-drive>
diff --git a/src/web/app/mobile/tags/drive/file-viewer.tag b/src/web/app/mobile/tags/drive/file-viewer.tag
index e91a451c0d..78a10b83b4 100644
--- a/src/web/app/mobile/tags/drive/file-viewer.tag
+++ b/src/web/app/mobile/tags/drive/file-viewer.tag
@@ -185,17 +185,18 @@
 
 		this.mixin('api');
 
-		this.file = this.opts.file
-		this.kind = this.file.type.split '/' .0
+		this.file = this.opts.file;
+		this.kind = this.file.type.split('/')[0];
 
 		this.rename = () => {
-			name = window.prompt '名前を変更' this.file.name
-			if name? and name != '' and name != this.file.name
-				this.api('drive/files/update', {
-					file_id: this.file.id,
-					name: name
-				}).then(() => {
-					this.parent.cf this.file, true
-
+			const name = window.prompt('名前を変更', this.file.name);
+			if (name == null || name == '' || name == this.file.name) return;
+			this.api('drive/files/update', {
+				file_id: this.file.id,
+				name: name
+			}).then(() => {
+				this.parent.cf(this.file, true);
+			});
+		};
 	</script>
 </mk-drive-file-viewer>
diff --git a/src/web/app/mobile/tags/drive/file.tag b/src/web/app/mobile/tags/drive/file.tag
index 77b5b220ad..f800fd69e0 100644
--- a/src/web/app/mobile/tags/drive/file.tag
+++ b/src/web/app/mobile/tags/drive/file.tag
@@ -124,14 +124,16 @@
 	<script>
 		this.bytesToSize = require('../../../common/scripts/bytesToSize.js');
 
-		this.browser = this.parent
-		this.file = this.opts.file
-		this.is-selected = this.browser.selected-files.some (f) => f.id == this.file.id
+		this.browser = this.parent;
+		this.file = this.opts.file;
+		this.isSelected = this.browser.selectedFiles.some(f => f.id == this.file.id);
 
-		this.browser.on('change-selected', (selects) => {
-			this.is-selected = selects.some (f) => f.id == this.file.id
+		this.browser.on('change-selected', selections => {
+			this.isSelected = selections.some(f => f.id == this.file.id);
+		});
 
 		this.onclick = () => {
-			this.browser.choose-file this.file
+			this.browser.chooseFile(this.file);
+		};
 	</script>
 </mk-drive-file>
diff --git a/src/web/app/mobile/tags/drive/folder.tag b/src/web/app/mobile/tags/drive/folder.tag
index 4c4727a308..093e742929 100644
--- a/src/web/app/mobile/tags/drive/folder.tag
+++ b/src/web/app/mobile/tags/drive/folder.tag
@@ -37,10 +37,11 @@
 
 	</style>
 	<script>
-		this.browser = this.parent
-		this.folder = this.opts.folder
+		this.browser = this.parent;
+		this.folder = this.opts.folder;
 
 		this.onclick = () => {
-			this.browser.move this.folder
+			this.browser.move(this.folder);
+		};
 	</script>
 </mk-drive-folder>
diff --git a/src/web/app/mobile/tags/follow-button.tag b/src/web/app/mobile/tags/follow-button.tag
index 43fcc3499c..ae6d19f593 100644
--- a/src/web/app/mobile/tags/follow-button.tag
+++ b/src/web/app/mobile/tags/follow-button.tag
@@ -52,54 +52,70 @@
 		this.mixin('is-promise');
 		this.mixin('stream');
 
-		this.user = null
-		this.user-promise = if @is-promise this.opts.user then this.opts.user else Promise.resolve this.opts.user
-		this.init = true
-		this.wait = false
+		this.user = null;
+		this.userPromise = this.isPromise(this.opts.user)
+			? this.opts.user
+			: Promise.resolve(this.opts.user);
+		this.init = true;
+		this.wait = false;
 
 		this.on('mount', () => {
-			this.user-promise}).then((user) => {
-				this.user = user
-				this.init = false
-				this.update();
-				this.stream.on 'follow' this.on-stream-follow
-				this.stream.on 'unfollow' this.on-stream-unfollow
+			this.userPromise.then(user => {
+				this.update({
+					init: false,
+					user: user
+				});
+				this.stream.on('follow', this.onStreamFollow);
+				this.stream.on('unfollow', this.onStreamUnfollow);
+			});
+		});
 
 		this.on('unmount', () => {
-			this.stream.off 'follow' this.on-stream-follow
-			this.stream.off 'unfollow' this.on-stream-unfollow
+			this.stream.off('follow', this.onStreamFollow);
+			this.stream.off('unfollow', this.onStreamUnfollow);
+		});
 
-		this.on-stream-follow = (user) => {
-			if user.id == this.user.id
-				this.user = user
-				this.update();
+		this.onStreamFollow = user => {
+			if (user.id == this.user.id) {
+				this.update({
+					user: user
+				});
+			}
+		};
 
-		this.on-stream-unfollow = (user) => {
-			if user.id == this.user.id
-				this.user = user
-				this.update();
+		this.onStreamUnfollow = user => {
+			if (user.id == this.user.id) {
+				this.update({
+					user: user
+				});
+			}
+		};
 
 		this.onclick = () => {
-			this.wait = true
-			if this.user.is_following
+			this.wait = true;
+			if (this.user.is_following) {
 				this.api('following/delete', {
 					user_id: this.user.id
 				}).then(() => {
-					this.user.is_following = false
-				.catch (err) ->
-					console.error err
+					this.user.is_following = false;
+				}).catch(err => {
+					console.error(err);
 				}).then(() => {
-					this.wait = false
+					this.wait = false;
 					this.update();
-			else
+				});
+			} else {
 				this.api('following/create', {
 					user_id: this.user.id
 				}).then(() => {
-					this.user.is_following = true
-				.catch (err) ->
-					console.error err
+					this.user.is_following = true;
+				}).catch(err => {
+					console.error(err);
 				}).then(() => {
-					this.wait = false
+					this.wait = false;
 					this.update();
+				});
+			}
+		};
 	</script>
 </mk-follow-button>
diff --git a/src/web/app/mobile/tags/images-viewer.tag b/src/web/app/mobile/tags/images-viewer.tag
index ad02850e30..f3724f21b6 100644
--- a/src/web/app/mobile/tags/images-viewer.tag
+++ b/src/web/app/mobile/tags/images-viewer.tag
@@ -18,10 +18,11 @@
 
 	</style>
 	<script>
-		this.images = this.opts.images
-		this.image = @images.0
+		this.images = this.opts.images;
+		this.image = this.images[0];
 
 		this.click = () => {
-			window.open @image.url
+			window.open(this.image.url);
+		};
 	</script>
 </mk-images-viewer>
diff --git a/src/web/app/mobile/tags/index.js b/src/web/app/mobile/tags/index.js
index 2a8f2161c2..dec2be3325 100644
--- a/src/web/app/mobile/tags/index.js
+++ b/src/web/app/mobile/tags/index.js
@@ -1,7 +1,6 @@
 require('./ui.tag');
 require('./ui-header.tag');
 require('./ui-nav.tag');
-require('./stream-indicator.tag');
 require('./page/entrance.tag');
 require('./page/entrance/signin.tag');
 require('./page/entrance/signup.tag');
diff --git a/src/web/app/mobile/tags/notification-preview.tag b/src/web/app/mobile/tags/notification-preview.tag
index 800d1b4345..b93b92d919 100644
--- a/src/web/app/mobile/tags/notification-preview.tag
+++ b/src/web/app/mobile/tags/notification-preview.tag
@@ -108,6 +108,6 @@
 	</style>
 	<script>
 		this.mixin('get-post-summary');
-		this.notification = this.opts.notification
+		this.notification = this.opts.notification;
 	</script>
 </mk-notification-preview>
diff --git a/src/web/app/mobile/tags/notification.tag b/src/web/app/mobile/tags/notification.tag
index 9cf61fe40e..d32e6b40ae 100644
--- a/src/web/app/mobile/tags/notification.tag
+++ b/src/web/app/mobile/tags/notification.tag
@@ -168,6 +168,6 @@
 	</style>
 	<script>
 		this.mixin('get-post-summary');
-		this.notification = this.opts.notification
+		this.notification = this.opts.notification;
 	</script>
 </mk-notification>
diff --git a/src/web/app/mobile/tags/notifications.tag b/src/web/app/mobile/tags/notifications.tag
index 9fb695a434..e73877266e 100644
--- a/src/web/app/mobile/tags/notifications.tag
+++ b/src/web/app/mobile/tags/notifications.tag
@@ -61,33 +61,36 @@
 		this.mixin('stream');
 		this.mixin('get-post-summary');
 
-		this.notifications = []
-		this.loading = true
+		this.notifications = [];
+		this.loading = true;
 
 		this.on('mount', () => {
-			this.api 'i/notifications' 
-			}).then((notifications) => {
-				this.notifications = notifications
-				this.loading = false
-				this.update();
-				this.trigger('loaded');
-			.catch (err, text-status) ->
-				console.error err
+			this.api('i/notifications').then(notifications => {
+				this.update({
+					loading: false,
+					notifications: notifications
+				});
+			});
 
-			this.stream.on 'notification' this.on-notification
+			this.stream.on('notification', this.onNotification);
+		});
 
 		this.on('unmount', () => {
-			this.stream.off 'notification' this.on-notification
+			this.stream.off('notification', this.onNotification);
+		});
 
-		this.on-notification = (notification) => {
-			@notifications.unshift notification
+		this.onNotification = notification => {
+			this.notifications.unshift(notification);
 			this.update();
+		};
 
 		this.on('update', () => {
-			@notifications.forEach (notification) =>
-				date = (new Date notification.created_at).getDate()
-				month = (new Date notification.created_at).getMonth() + 1
-				notification._date = date
-				notification._datetext = month + '月 ' + date + '日'
+			this.notifications.forEach(notification => {
+				const date = new Date(notification.created_at).getDate();
+				const month = new Date(notification.created_at).getMonth() + 1;
+				notification._date = date;
+				notification._datetext = `${month}月 ${date}日`;
+			});
+		});
 	</script>
 </mk-notifications>
diff --git a/src/web/app/mobile/tags/notify.tag b/src/web/app/mobile/tags/notify.tag
index 3003528fe4..c97e70696c 100644
--- a/src/web/app/mobile/tags/notify.tag
+++ b/src/web/app/mobile/tags/notify.tag
@@ -18,21 +18,21 @@
 	<script>
 		this.on('mount', () => {
 			Velocity(this.root, {
-				bottom: '0px' 
+				bottom: '0px'
 			}, {
-				duration: 500ms
-				easing: 'ease-out' 
-			}
+				duration: 500,
+				easing: 'ease-out'
+			});
 
-			setTimeout =>
+			setTimeout(() => {
 				Velocity(this.root, {
-					bottom: '-64px' 
+					bottom: '-64px'
 				}, {
-					duration: 500ms
-					easing: 'ease-out' 
-					complete: =>
-						this.unmount();
-				}
-			, 6000ms
+					duration: 500,
+					easing: 'ease-out',
+					complete: () => this.unmount()
+				});
+			}, 6000);
+		});
 	</script>
 </mk-notify>
diff --git a/src/web/app/mobile/tags/post-detail.tag b/src/web/app/mobile/tags/post-detail.tag
index 2b4bef1da3..e8149e0982 100644
--- a/src/web/app/mobile/tags/post-detail.tag
+++ b/src/web/app/mobile/tags/post-detail.tag
@@ -342,89 +342,111 @@
 		this.on('mount', () => {
 			this.api('posts/show', {
 				post_id: this.opts.post
-			}).then((post) => {
-				this.post = post
-				this.is-repost = this.post.repost?
-				this.p = if @is-repost then this.post.repost else this.post
-				this.summary = @get-post-summary this.p
+			}).then(post => {
+				const isRepost = post.repost != null;
+				const p = isRepost ? post.repost : post;
+				this.update({
+					fetching: false,
+					post: post,
+					isRepost: isRepost,
+					p: p
+				});
+
 				this.trigger('loaded');
-				this.fetching = false
-				this.update();
 
-				if this.p.text?
-					tokens = @analyze this.p.text
-					this.refs.text.innerHTML = @compile tokens
+				if (this.p.text) {
+					const tokens = this.analyze(this.p.text);
 
-					this.refs.text.children.forEach (e) =>
-						if e.tag-name == 'MK-URL' 
-							riot.mount e
+					this.refs.text.innerHTML = this.compile(tokens);
+
+					this.refs.text.children.forEach(e => {
+						if (e.tagName == 'MK-URL') riot.mount(e);
+					});
 
 					// URLをプレビュー
 					tokens
-						.filter (t) -> t.type == 'link' 
-						.map (t) =>
-							this.preview = this.refs.text.appendChild(document.createElement('mk-url-preview'));
- 							riot.mount this.preview, do
-								url: t.content
+					.filter(t => t.type == 'link')
+					.map(t => {
+						riot.mount(this.refs.text.appendChild(document.createElement('mk-url-preview')), {
+							url: t.content
+						});
+					});
+				}
 
 				// Get likes
 				this.api('posts/likes', {
-					post_id: this.p.id
+					post_id: this.p.id,
 					limit: 8
-				}).then((likes) => {
-					this.likes = likes
-					this.update();
+				}).then(likes => {
+					this.update({
+						likes: likes
+					});
+				});
 
 				// Get reposts
 				this.api('posts/reposts', {
-					post_id: this.p.id
+					post_id: this.p.id,
 					limit: 8
-				}).then((reposts) => {
-					this.reposts = reposts
-					this.update();
+				}).then(reposts => {
+					this.update({
+						reposts: reposts
+					});
+				});
 
 				// Get replies
 				this.api('posts/replies', {
-					post_id: this.p.id
+					post_id: this.p.id,
 					limit: 8
-				}).then((replies) => {
-					this.replies = replies
-					this.update();
+				}).then(replies => {
+					this.update({
+						replies: replies
+					});
+				});
+			});
+		});
 
 		this.reply = () => {
-			this.openPostForm do
+			riot.mount(document.body.appendChild(document.createElement('mk-post-form-window')), {
 				reply: this.p
+			});
+		};
 
 		this.repost = () => {
-			text = window.prompt '「' + @summary + '」をRepost'
-			if text?
-				this.api('posts/create', {
-					repost_id: this.p.id
-					text: if text == '' then undefined else text
+			riot.mount(document.body.appendChild(document.createElement('mk-repost-form-window')), {
+				post: this.p
+			});
+		};
 
 		this.like = () => {
-			if this.p.is_liked
+			if (this.p.is_liked) {
 				this.api('posts/likes/delete', {
 					post_id: this.p.id
 				}).then(() => {
-					this.p.is_liked = false
+					this.p.is_liked = false;
 					this.update();
-			else
+				});
+			} else {
 				this.api('posts/likes/create', {
 					post_id: this.p.id
 				}).then(() => {
-					this.p.is_liked = true
+					this.p.is_liked = true;
 					this.update();
+				});
+			}
+		};
 
-		this.load-context = () => {
-			this.loading-context = true
+		this.loadContext = () => {
+			this.loadingContext = true;
 
-			// Get context
+			// Fetch context
 			this.api('posts/context', {
 				post_id: this.p.reply_to_id
-			}).then((context) => {
-				this.context = context.reverse!
-				this.loading-context = false
-				this.update();
+			}).then(context => {
+				this.update({
+					loadContext: false,
+					content: context.reverse()
+				});
+			});
+		};
 	</script>
 </mk-post-detail>
diff --git a/src/web/app/mobile/tags/post-form.tag b/src/web/app/mobile/tags/post-form.tag
index 27c6c005ce..397475e3f5 100644
--- a/src/web/app/mobile/tags/post-form.tag
+++ b/src/web/app/mobile/tags/post-form.tag
@@ -10,7 +10,7 @@
 	</header>
 	<div class="form">
 		<mk-post-preview if={ opts.reply } post={ opts.reply }></mk-post-preview>
-		<textarea ref="text" disabled={ wait } oninput={ update } onkeypress={ onkeypress } onpaste={ onpaste } placeholder={ opts.reply ? 'この投稿への返信...' : 'いまどうしてる？' }></textarea>
+		<textarea ref="text" disabled={ wait } oninput={ update } onkeydown={ onkeydown } onpaste={ onpaste } placeholder={ opts.reply ? 'この投稿への返信...' : 'いまどうしてる？' }></textarea>
 		<div class="attaches" if={ files.length != 0 }>
 			<ul class="files" ref="attaches">
 				<li class="file" each={ files }>
@@ -182,103 +182,111 @@
 
 	</style>
 	<script>
-		get-cat = require('../../common/scripts/get-cat');
+		getCat = require('../../common/scripts/get-cat');
 
 		this.mixin('api');
 
-		this.wait = false
-		this.uploadings = []
-		this.files = []
-		this.poll = false
+		this.wait = false;
+		this.uploadings = [];
+		this.files = [];
+		this.poll = false;
 
 		this.on('mount', () => {
-			this.refs.uploader.on('uploaded', (file) => {
-				this.addFile file
+			this.refs.uploader.on('uploaded', file => {
+				this.addFile(file);
+			});
 
-			this.refs.uploader.on('change-uploads', (uploads) => {
-				this.trigger 'change-uploading-files' uploads
+			this.refs.uploader.on('change-uploads', uploads => {
+				this.trigger('change-uploading-files', uploads);
+			});
 
 			this.refs.text.focus();
+		});
 
-		this.onkeypress = (e) => {
-			if (e.char-code == 10 || e.char-code == 13) && e.ctrlKey
-				this.post!
-			else
-				return true
+		this.onkeydown = e => {
+			if ((e.which == 10 || e.which == 13) && (e.ctrlKey || e.meta-key)) this.post();
+		};
 
-		this.onpaste = (e) => {
-			data = e.clipboardData
-			items = data.items
-			for i from 0 to items.length - 1
-				item = items[i]
-				switch (item.kind)
-					| 'file' =>
-						@upload item.getAsFile();
-			return true
+		this.onpaste = e => {
+			e.clipboardData.items.forEach(item => {
+				if (item.kind == 'file') {
+					this.upload(item.getAsFile());
+				}
+			});
+		};
 
-		this.select-file = () => {
+		this.selectFile = () => {
 			this.refs.file.click();
+		};
 
-		this.select-file-from-drive = () => {
-			browser = document.body.appendChild(document.createElement('mk-drive-selector'));
- 			browser = riot.mount browser, do
+		this.selectFileFromDrive = () => {
+			const i = riot.mount(document.body.appendChild(document.createElement('mk-drive-selector')), {
 				multiple: true
-			.0
-			browser.on('selected', (files) => {
-				files.forEach this.addFile
+			})[0];
+			i.one('selected', files => {
+				files.forEach(this.addFile);
+			});
+		};
 
-		this.change-file = () => {
-			files = this.refs.file.files
-			for i from 0 to files.length - 1
-				file = files.item i
-				@upload file
+		this.changeFile = () => {
+			this.refs.file.files.forEach(this.upload);
+		};
 
-		this.upload = (file) => {
-			this.refs.uploader.upload file
+		this.upload = file => {
+			this.refs.uploader.upload(file);
+		};
 
-		this.add-file = (file) => {
-			file._remove = =>
-				this.files = this.files.filter (x) -> x.id != file.id
-				this.trigger 'change-files' this.files
+		this.addFile = file => {
+			file._remove = () => {
+				this.files = this.files.filter(x => x.id != file.id);
+				this.trigger('change-files', this.files);
 				this.update();
+			};
 
-			this.files.push file
-			this.trigger 'change-files' this.files
+			this.files.push(file);
+			this.trigger('change-files', this.files);
 			this.update();
+		};
 
-		this.add-poll = () => {
-			this.poll = true
+		this.addPoll = () => {
+			this.poll = true;
+		};
 
-		this.on-poll-destroyed = () => {
-			@update do
+		this.onPollDestroyed = () => {
+			this.update({
 				poll: false
+			});
+		};
 
 		this.post = () => {
-			this.wait = true
+			this.wait = true;
 
-			files = if this.files? and this.files.length > 0
-				then this.files.map (f) -> f.id
-				else undefined
+			const files = this.files && this.files.length > 0
+				? this.files.map(f => f.id)
+				: undefined;
 
 			this.api('posts/create', {
-				text: this.refs.text.value
-				media_ids: files
-				reply_to_id: if this.opts.reply? then this.opts.reply.id else undefined
-				poll: if this.poll then this.refs.poll.get! else undefined
-			}).then((data) => {
+				text: this.refs.text.value,
+				media_ids: files,
+				reply_to_id: this.inReplyToPost ? this.inReplyToPost.id : undefined,
+				poll: this.poll ? this.refs.poll.get() : undefined
+			}).then(data => {
 				this.trigger('post');
 				this.unmount();
-			.catch (err) =>
-				console.error err
-				#this.opts.ui.trigger 'notification' 'Error!'
-				this.wait = false
-				this.update();
+			}).catch(err => {
+				this.update({
+					wait: false
+				});
+			});
+		};
 
 		this.cancel = () => {
 			this.trigger('cancel');
 			this.unmount();
+		};
 
 		this.cat = () => {
-			this.refs.text.value = this.refs.text.value + get-cat!
+			this.refs.text.value += getCat();
+		};
 	</script>
 </mk-post-form>
diff --git a/src/web/app/mobile/tags/search-posts.tag b/src/web/app/mobile/tags/search-posts.tag
index 2dbb162d7b..b0efe14636 100644
--- a/src/web/app/mobile/tags/search-posts.tag
+++ b/src/web/app/mobile/tags/search-posts.tag
@@ -15,18 +15,22 @@
 		this.query = this.opts.query;
 		this.withMedia = this.opts.withMedia;
 
-		this.init = new Promise (res, rej) =>
+		this.init = new Promise((res, rej) => {
 			this.api('posts/search', {
 				query: this.query
 			}).then(posts => {
-				res posts
+				res(posts);
 				this.trigger('loaded');
+			});
+		});
 
 		this.more = () => {
 			this.offset += this.max;
 			this.api('posts/search', {
-				query: this.query
-				max: this.max
+				query: this.query,
+				max: this.max,
 				offset: this.offset
+			});
+		};
 	</script>
 </mk-search-posts>
diff --git a/src/web/app/mobile/tags/search.tag b/src/web/app/mobile/tags/search.tag
index ab7ba4fd26..831e5a3e34 100644
--- a/src/web/app/mobile/tags/search.tag
+++ b/src/web/app/mobile/tags/search.tag
@@ -3,13 +3,14 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		this.query = this.opts.query
+		this.query = this.opts.query;
 
 		this.on('mount', () => {
 			this.refs.posts.on('loaded', () => {
 				this.trigger('loaded');
+			});
+		});
 	</script>
 </mk-search>
diff --git a/src/web/app/mobile/tags/stream-indicator.tag b/src/web/app/mobile/tags/stream-indicator.tag
deleted file mode 100644
index 9ca311c479..0000000000
--- a/src/web/app/mobile/tags/stream-indicator.tag
+++ /dev/null
@@ -1,54 +0,0 @@
-<mk-stream-indicator>
-	<p if={ state == 'initializing' }><i class="fa fa-spinner fa-spin"></i><span>接続中
-			<mk-ellipsis></mk-ellipsis></span></p>
-	<p if={ state == 'reconnecting' }><i class="fa fa-spinner fa-spin"></i><span>切断されました 接続中
-			<mk-ellipsis></mk-ellipsis></span></p>
-	<p if={ state == 'connected' }><i class="fa fa-check"></i><span>接続完了</span></p>
-	<style>
-		:scope
-			display block
-			pointer-events none
-			position fixed
-			z-index 16384
-			bottom 8px
-			right 8px
-			margin 0
-			padding 6px 12px
-			font-size 0.9em
-			color #fff
-			background rgba(0, 0, 0, 0.8)
-
-			> p
-				display block
-				margin 0
-
-				> i
-					margin-right 0.25em
-
-	</style>
-	<script>
-		this.mixin('stream');
-
-		this.on('before-mount', () => {
-			this.state = this.getStreamState();
-
-			if this.state == 'connected' 
-				this.root.style.opacity = 0
-
-		this.stream-state-ev.on('connected', () => {
-			this.state = this.getStreamState();
-			this.update();
-			setTimeout =>
-				Velocity(this.root, {
-					opacity: 0
-				} 200ms 'linear' 
-			, 1000ms
-
-		this.stream-state-ev.on('closed', () => {
-			this.state = this.getStreamState();
-			this.update();
-			Velocity(this.root, {
-				opacity: 1
-			} 0ms
-	</script>
-</mk-stream-indicator>
diff --git a/src/web/app/mobile/tags/sub-post-content.tag b/src/web/app/mobile/tags/sub-post-content.tag
index a5af90cc74..5ff01c5020 100644
--- a/src/web/app/mobile/tags/sub-post-content.tag
+++ b/src/web/app/mobile/tags/sub-post-content.tag
@@ -30,15 +30,17 @@
 	<script>
 		this.mixin('text');
 
-		this.post = this.opts.post
+		this.post = this.opts.post;
 
 		this.on('mount', () => {
-			if this.post.text?
-				tokens = @analyze this.post.text
-				this.refs.text.innerHTML = @compile tokens, false
+			if (this.post.text) {
+				const tokens = this.analyze(this.post.text);
+				this.refs.text.innerHTML = this.compile(tokens, false);
 
-				this.refs.text.children.forEach (e) =>
-					if e.tag-name == 'MK-URL' 
-						riot.mount e
+				this.refs.text.children.forEach(e => {
+					if (e.tagName == 'MK-URL') riot.mount(e);
+				});
+			}
+		});
 	</script>
 </mk-sub-post-content>
diff --git a/src/web/app/mobile/tags/timeline-post.tag b/src/web/app/mobile/tags/timeline-post.tag
index a19fca7fcd..0a6db9a92d 100644
--- a/src/web/app/mobile/tags/timeline-post.tag
+++ b/src/web/app/mobile/tags/timeline-post.tag
@@ -344,7 +344,7 @@
 		};
 
 		this.like = () => {
-			if (this.p.is_liked)
+			if (this.p.is_liked) {
 				this.api('posts/likes/delete', {
 					post_id: this.p.id
 				}).then(() => {
diff --git a/src/web/app/mobile/tags/ui-header.tag b/src/web/app/mobile/tags/ui-header.tag
index 405db1897f..30259ba911 100644
--- a/src/web/app/mobile/tags/ui-header.tag
+++ b/src/web/app/mobile/tags/ui-header.tag
@@ -13,7 +13,7 @@
 			$height = 48px
 
 			display block
-			position fixed
+			position sticky
 			top 0
 			z-index 1024
 			width 100%
@@ -91,10 +91,6 @@
 		this.mixin('ui');
 		this.mixin('open-post-form');
 
-		this.on('mount', () => {
-			this.opts.ready();
-		});
-
 		this.ui.on('title', title => {
 			if (this.refs.title) this.refs.title.innerHTML = title;
 		});
diff --git a/src/web/app/mobile/tags/ui-nav.tag b/src/web/app/mobile/tags/ui-nav.tag
index d8769d9c06..23d07efdc4 100644
--- a/src/web/app/mobile/tags/ui-nav.tag
+++ b/src/web/app/mobile/tags/ui-nav.tag
@@ -120,12 +120,10 @@
 		this.mixin('i');
 		this.mixin('page');
 
-		this.on('mount', () => {
-			this.opts.ready!
-
 		this.search = () => {
-			query = window.prompt '検索' 
-			if query? and query != ''
-				this.page '/search:' + query
+			const query = window.prompt('検索');
+			if (query == null || query == '') return;
+			this.page('/search:' + query);
+		};
 	</script>
 </mk-ui-nav>
diff --git a/src/web/app/mobile/tags/ui.tag b/src/web/app/mobile/tags/ui.tag
index ca6ac3f55c..3b3c6823d0 100644
--- a/src/web/app/mobile/tags/ui.tag
+++ b/src/web/app/mobile/tags/ui.tag
@@ -1,7 +1,7 @@
 <mk-ui>
 	<div class="global" ref="global">
-		<mk-ui-header ref="header" ready={ ready }></mk-ui-header>
-		<mk-ui-nav ref="nav" ready={ ready }></mk-ui-nav>
+		<mk-ui-header ref="header"></mk-ui-header>
+		<mk-ui-nav ref="nav"></mk-ui-nav>
 		<div class="content" ref="main"><yield /></div>
 	</div>
 	<mk-stream-indicator></mk-stream-indicator>
@@ -16,36 +16,25 @@
 	<script>
 		this.mixin('stream');
 
-		this.ready-count = 0
-		this.is-drawer-opening = false
-
-		#this.ui.on('notification', (text) => {
-		// alert text
+		this.isDrawerOpening = false;
 
 		this.on('mount', () => {
-			this.stream.on 'notification' this.on-stream-notification
-			@ready!
+			this.stream.on('notification', this.onStreamNotification);
+		});
 
 		this.on('unmount', () => {
-			this.stream.off 'notification' this.on-stream-notification
+			this.stream.off('notification', this.onStreamNotification);
+		});
 
-		this.ready = () => {
-			@ready-count++
+		this.toggleDrawer = () => {
+			this.isDrawerOpening = !this.isDrawerOpening;
+			this.refs.nav.root.style.display = this.isDrawerOpening ? 'block' : 'none';
+		};
 
-			if @ready-count == 2
-				@init-view-position!
-
-		this.init-view-position = () => {
-			top = this.refs.header.root.offset-height
-			this.refs.main.style.padding-top = top + 'px' 
-
-		this.toggle-drawer = () => {
-			this.is-drawer-opening = !@is-drawer-opening
-			this.refs.nav.root.style.display = if @is-drawer-opening then 'block' else 'none' 
-
-		this.on-stream-notification = (notification) => {
-			el = document.body.appendChild(document.createElement('mk-notify'));
- 			riot.mount el, do
+		this.onStreamNotification = notification => {
+			riot.mount(document.body.appendChild(document.createElement('mk-notify')), {
 				notification: notification
+			});
+		};
 	</script>
 </mk-ui>
diff --git a/src/web/app/mobile/tags/user-followers.tag b/src/web/app/mobile/tags/user-followers.tag
index eecf09cab8..3a1fc1d4b9 100644
--- a/src/web/app/mobile/tags/user-followers.tag
+++ b/src/web/app/mobile/tags/user-followers.tag
@@ -8,18 +8,21 @@
 	<script>
 		this.mixin('api');
 
-		this.user = this.opts.user
+		this.user = this.opts.user;
 
 		this.fetch = (iknow, limit, cursor, cb) => {
 			this.api('users/followers', {
-				user_id: this.user.id
-				iknow: iknow
-				limit: limit
-				cursor: if cursor? then cursor else undefined
-			.then cb
+				user_id: this.user.id,
+				iknow: iknow,
+				limit: limit,
+				cursor: cursor ? cursor : undefined
+			}).then(cb);
+		};
 
 		this.on('mount', () => {
 			this.refs.list.on('loaded', () => {
 				this.trigger('loaded');
+			});
+		};
 	</script>
 </mk-user-followers>
diff --git a/src/web/app/mobile/tags/user-following.tag b/src/web/app/mobile/tags/user-following.tag
index b214789aa9..778eb08e1c 100644
--- a/src/web/app/mobile/tags/user-following.tag
+++ b/src/web/app/mobile/tags/user-following.tag
@@ -8,18 +8,21 @@
 	<script>
 		this.mixin('api');
 
-		this.user = this.opts.user
+		this.user = this.opts.user;
 
 		this.fetch = (iknow, limit, cursor, cb) => {
 			this.api('users/following', {
-				user_id: this.user.id
-				iknow: iknow
-				limit: limit
-				cursor: if cursor? then cursor else undefined
-			.then cb
+				user_id: this.user.id,
+				iknow: iknow,
+				limit: limit,
+				cursor: cursor ? cursor : undefined
+			}).then(cb);
+		};
 
 		this.on('mount', () => {
 			this.refs.list.on('loaded', () => {
 				this.trigger('loaded');
+			});
+		});
 	</script>
 </mk-user-following>
diff --git a/src/web/app/mobile/tags/user-timeline.tag b/src/web/app/mobile/tags/user-timeline.tag
index 71fb1ac272..fb316dbdf9 100644
--- a/src/web/app/mobile/tags/user-timeline.tag
+++ b/src/web/app/mobile/tags/user-timeline.tag
@@ -14,18 +14,22 @@
 		this.user = this.opts.user;
 		this.withMedia = this.opts.withMedia;
 
-		this.init = new Promise (res, rej) =>
+		this.init = new Promise((res, rej) => {
 			this.api('users/posts', {
-				user_id: this.user.id
-				with_media: @withMedia
+				user_id: this.user.id,
+				with_media: this.withMedia
 			}).then(posts => {
-				res posts
+				res(posts);
 				this.trigger('loaded');
+			});
+		});
 
 		this.more = () => {
 			this.api('users/posts', {
-				user_id: this.user.id
-				with_media: this.withMedia
-				max_id: this.refs.timeline.tail!.id
+				user_id: this.user.id,
+				with_media: this.withMedia,
+				max_id: this.refs.timeline.tail().id
+			});
+		};
 	</script>
 </mk-user-timeline>
diff --git a/src/web/app/mobile/tags/users-list.tag b/src/web/app/mobile/tags/users-list.tag
index ef225d5b5d..82dfa3df45 100644
--- a/src/web/app/mobile/tags/users-list.tag
+++ b/src/web/app/mobile/tags/users-list.tag
@@ -72,45 +72,48 @@
 	<script>
 		this.mixin('i');
 
-		this.limit = 30users
-		this.mode = 'all' 
+		this.limit = 30;
+		this.mode = 'all';
 
-		this.fetching = true
-		this.more-fetching = false
+		this.fetching = true;
+		this.moreFetching = false;
 
 		this.on('mount', () => {
-			@fetch =>
-				this.trigger('loaded');
+			this.fetch(() => this.trigger('loaded'));
+		});
 
-		this.fetch = (cb) => {
-			this.fetching = true
-			this.update();
-			obj <~ this.opts.fetch do
-				this.mode == 'iknow' 
-				@limit
-				null
-			this.users = obj.users
-			this.next = obj.next
-			this.fetching = false
-			this.update();
-			if cb? then cb!
+		this.fetch = cb => {
+			this.update({
+				fetching: true
+			});
+			this.opts.fetch(this.mode == 'iknow', this.limit, null, obj => {
+				this.update({
+					fetching: false,
+					users: obj.users,
+					next: obj.next
+				});
+				if (cb) cb();
+			});
+		};
 
 		this.more = () => {
-			this.more-fetching = true
-			this.update();
-			obj <~ this.opts.fetch do
-				this.mode == 'iknow' 
-				@limit
-				@cursor
-			this.users = this.users.concat obj.users
-			this.next = obj.next
-			this.more-fetching = false
-			this.update();
+			this.update({
+				moreFetching: true
+			});
+			this.opts.fetch(this.mode == 'iknow', this.limit, this.cursor, obj => {
+				this.update({
+					moreFetching: false,
+					users: this.users.concat(obj.users),
+					next: obj.next
+				});
+			});
+		};
 
-		this.set-mode = (mode) => {
-			@update do
+		this.setMode = mode => {
+			this.update({
 				mode: mode
-
-			@fetch!
+			});
+			this.fetch();
+		};
 	</script>
 </mk-users-list>