diff --git a/packages/frontend/src/pages/admin/ads.vue b/packages/frontend/src/pages/admin/ads.vue
index 828bfe6007..803e8cb7b0 100644
--- a/packages/frontend/src/pages/admin/ads.vue
+++ b/packages/frontend/src/pages/admin/ads.vue
@@ -113,16 +113,37 @@ function remove(ad) {
 
 function save(ad) {
 	if (ad.id == null) {
-		os.apiWithDialog('admin/ad/create', {
+		os.api('admin/ad/create', {
 			...ad,
 			expiresAt: new Date(ad.expiresAt).getTime(),
 			startsAt: new Date(ad.startsAt).getTime(),
+		}).then(() => {
+			os.alert({
+				type: 'success',
+				text: i18n.ts.saved,
+			});
+			refresh();
+		}).catch(err => {
+			os.alert({
+				type: 'error',
+				text: err,
+			});
 		});
 	} else {
-		os.apiWithDialog('admin/ad/update', {
+		os.api('admin/ad/update', {
 			...ad,
 			expiresAt: new Date(ad.expiresAt).getTime(),
 			startsAt: new Date(ad.startsAt).getTime(),
+		}).then(() => {
+			os.alert({
+				type: 'success',
+				text: i18n.ts.saved,
+			});
+		}).catch(err => {
+			os.alert({
+				type: 'error',
+				text: err,
+			});
 		});
 	}
 }
@@ -141,6 +162,25 @@ function more() {
 		}));
 	});
 }
+
+function refresh() {
+	os.api('admin/ad/list').then(adsResponse => {
+		ads = adsResponse.map(r => {
+			const exdate = new Date(r.expiresAt);
+			const stdate = new Date(r.startsAt);
+			exdate.setMilliseconds(exdate.getMilliseconds() - localTimeDiff);
+			stdate.setMilliseconds(stdate.getMilliseconds() - localTimeDiff);
+			return {
+				...r,
+				expiresAt: exdate.toISOString().slice(0, 16),
+				startsAt: stdate.toISOString().slice(0, 16),
+			};
+		});
+	});
+}
+
+refresh();
+
 const headerActions = $computed(() => [{
 	asFullButton: true,
 	icon: 'ti ti-plus',
diff --git a/packages/frontend/src/pages/admin/announcements.vue b/packages/frontend/src/pages/admin/announcements.vue
index d5d177bf76..b76e4b9114 100644
--- a/packages/frontend/src/pages/admin/announcements.vue
+++ b/packages/frontend/src/pages/admin/announcements.vue
@@ -69,6 +69,7 @@ function save(announcement) {
 				type: 'success',
 				text: i18n.ts.saved,
 			});
+			refresh();
 		}).catch(err => {
 			os.alert({
 				type: 'error',
@@ -90,6 +91,14 @@ function save(announcement) {
 	}
 }
 
+function refresh() {
+	os.api('admin/announcements/list').then(announcementResponse => {
+		announcements = announcementResponse;
+	});
+}
+
+refresh();
+
 const headerActions = $computed(() => [{
 	asFullButton: true,
 	icon: 'ti ti-plus',