diff --git a/upgrade_info/upgrade_info.php b/upgrade_info/upgrade_info.php
new file mode 100644
index 0000000..4824324
--- /dev/null
+++ b/upgrade_info/upgrade_info.php
@@ -0,0 +1,62 @@
+<?php
+/**
+ * Name: Upgrade Info
+ * Description: Show upgrade info at the top of left-aside until dismissed
+ * Version: 1.0
+ * Depends: Core
+ * Author: Mario Vavti <mario@mariovavti.com>
+ */
+
+use Zotlabs\Extend\Hook;
+
+function upgrade_info_load(){
+	Hook::register('construct_page', 'addon/upgrade_info/upgrade_info.php', 'upgrade_info_construct_page');
+}
+
+function upgrade_info_unload(){
+	Hook::unregister('construct_page', 'addon/upgrade_info/upgrade_info.php', 'upgrade_info_construct_page');
+}
+
+function upgrade_info_construct_page(&$b){
+
+	$upgrade_version = get_config('upgrade_info', 'version');
+
+	if(version_compare(STD_VERSION, $upgrade_version) == 1) {
+		set_config('upgrade_info', 'datetime', datetime_convert());
+		set_config('upgrade_info', 'version', STD_VERSION);
+	}
+
+	if(! local_channel())
+		return;
+
+	$upgrade_datetime = get_config('upgrade_info', 'datetime');
+
+	$account = App::get_account();
+	if($account['account_created'] > $upgrade_datetime)
+		return;
+
+	$version = get_pconfig(local_channel(), 'upgrade_info', 'version');
+
+	if(version_compare(STD_VERSION, $version) < 1)
+		return; 
+
+	$content[] = t('Harukin+がアップデートされました！');
+	$content[] = t('変更点は運営公式フォーラムを確認してください！');
+	$content[] = '<a href="channel/admin_plusharukin">' . t('運営のフォーラムページ') . '</a>';
+
+	$tpl = get_markup_template('upgrade_info.tpl', 'addon/upgrade_info');
+
+	$o = replace_macros($tpl, [
+		'$title' => t('運営からのお知らせ！'),
+		'$content' => $content,
+		'$std_version' => STD_VERSION,
+		'$form_security_token' => get_form_security_token('pconfig'),
+		'$dismiss' => t('閉じる')
+	]);
+
+	$b['layout']['region_aside'] = $o . $b['layout']['region_aside'];
+
+}
+
+
+
diff --git a/upgrade_info/view/tpl/upgrade_info.tpl b/upgrade_info/view/tpl/upgrade_info.tpl
new file mode 100644
index 0000000..5cbfe33
--- /dev/null
+++ b/upgrade_info/view/tpl/upgrade_info.tpl
@@ -0,0 +1,31 @@
+<div id="upgrade_info_aside" class="alert alert-info alert-dismissible fade show">
+	<h3><i class="fa fa-hubzilla"></i> {{$title}}</h3>
+	<hr>
+	{{$content.0}}<br>
+	<br>
+	{{$content.1}}<br>
+	<br>
+	{{$content.2}} {{$content.3}} {{$content.4}}<br>
+	<br>
+	<button type="button" class="close" data-dismiss="alert" aria-label="Close">
+		<span aria-hidden="true">&times;</span>
+	</button>
+	<button id="upgrade_info_dismiss" type="button" class="btn btn-sm btn-success"><i class="fa fa-check"></i> {{$dismiss}}</button>
+	<script>
+		$('#upgrade_info_dismiss').click(function() {
+			$.post(
+				'pconfig',
+				{
+					'aj' : 1,
+					'cat' : 'upgrade_info',
+					'k' : 'version',
+					'v' : '{{$std_version}}',
+					'form_security_token' : '{{$form_security_token}}'
+				}
+			)
+			.done(function() {
+				$('#upgrade_info_aside').fadeOut('fast');
+			});
+		});
+	</script>	
+</div>