diff --git a/src/web/app/common/scripts/streaming/home-stream.ts b/src/web/app/common/scripts/streaming/home-stream.ts
index a92b61caed..b8e417b6d4 100644
--- a/src/web/app/common/scripts/streaming/home-stream.ts
+++ b/src/web/app/common/scripts/streaming/home-stream.ts
@@ -13,6 +13,7 @@ export default class Connection extends Stream {
 		// 最終利用日時を更新するため定期的にaliveメッセージを送信
 		setInterval(() => {
 			this.send({ type: 'alive' });
+			me.last_used_at = new Date();
 		}, 1000 * 60);
 
 		// 自分の情報が更新されたとき
diff --git a/src/web/app/common/views/components/twitter-setting.vue b/src/web/app/common/views/components/twitter-setting.vue
index aaca6ccddd..a0de27085f 100644
--- a/src/web/app/common/views/components/twitter-setting.vue
+++ b/src/web/app/common/views/components/twitter-setting.vue
@@ -23,12 +23,14 @@ export default Vue.extend({
 			docsUrl
 		};
 	},
-	watch: {
-		'os.i'() {
+	mounted() {
+		this.$watch('os.i', () => {
 			if ((this as any).os.i.twitter) {
 				if (this.form) this.form.close();
 			}
-		}
+		}, {
+			deep: true
+		});
 	},
 	methods: {
 		connect() {
diff --git a/src/web/app/desktop/views/components/home.vue b/src/web/app/desktop/views/components/home.vue
index 69f06fbf37..a7c61f4c57 100644
--- a/src/web/app/desktop/views/components/home.vue
+++ b/src/web/app/desktop/views/components/home.vue
@@ -126,7 +126,7 @@ export default Vue.extend({
 	created() {
 		this.widgets.left = this.left;
 		this.widgets.right = this.right;
-		this.$watch('os.i', i => {
+		this.$watch('os.i.client_settings', i => {
 			this.widgets.left = this.left;
 			this.widgets.right = this.right;
 		}, {
diff --git a/src/web/app/mobile/views/components/ui.header.vue b/src/web/app/mobile/views/components/ui.header.vue
index 4962c5b0b4..f4b98d36f2 100644
--- a/src/web/app/mobile/views/components/ui.header.vue
+++ b/src/web/app/mobile/views/components/ui.header.vue
@@ -56,6 +56,7 @@ export default Vue.extend({
 
 			const ago = (new Date().getTime() - new Date((this as any).os.i.last_used_at).getTime()) / 1000
 			const isHisasiburi = ago >= 3600;
+			(this as any).os.i.last_used_at = new Date();
 			if (isHisasiburi) {
 				(this.$refs.welcomeback as any).style.display = 'block';
 				(this.$refs.main as any).style.overflow = 'hidden';
diff --git a/src/web/app/mobile/views/pages/home.vue b/src/web/app/mobile/views/pages/home.vue
index 2aa650ec53..44b0724915 100644
--- a/src/web/app/mobile/views/pages/home.vue
+++ b/src/web/app/mobile/views/pages/home.vue
@@ -111,7 +111,7 @@ export default Vue.extend({
 			this.widgets = (this as any).os.i.client_settings.mobile_home;
 		}
 
-		this.$watch('os.i', i => {
+		this.$watch('os.i.client_settings', i => {
 			this.widgets = (this as any).os.i.client_settings.mobile_home;
 		}, {
 			deep: true