diff --git a/packages/frontend/src/pages/admin/users.vue b/packages/frontend/src/pages/admin/users.vue
index d1bbb5b734..870c3ce88b 100644
--- a/packages/frontend/src/pages/admin/users.vue
+++ b/packages/frontend/src/pages/admin/users.vue
@@ -99,19 +99,19 @@ async function addUser() {
 	const { canceled: canceled1, result: username } = await os.inputText({
 		title: i18n.ts.username,
 	});
-	if (canceled1) return;
+	if (canceled1 || username == null) return;
 
 	const { canceled: canceled2, result: password } = await os.inputText({
 		title: i18n.ts.password,
 		type: 'password',
 	});
-	if (canceled2) return;
+	if (canceled2 || password == null) return;
 
 	os.apiWithDialog('admin/accounts/create', {
 		username: username,
 		password: password,
 	}).then(res => {
-		paginationComponent.value.reload();
+		paginationComponent.value?.reload();
 	});
 }
 
diff --git a/packages/frontend/src/pages/follow-requests.vue b/packages/frontend/src/pages/follow-requests.vue
index 8991af8086..a840d0d0b3 100644
--- a/packages/frontend/src/pages/follow-requests.vue
+++ b/packages/frontend/src/pages/follow-requests.vue
@@ -55,13 +55,13 @@ const pagination = {
 
 function accept(user) {
 	misskeyApi('following/requests/accept', { userId: user.id }).then(() => {
-		paginationComponent.value.reload();
+		paginationComponent.value?.reload();
 	});
 }
 
 function reject(user) {
 	misskeyApi('following/requests/reject', { userId: user.id }).then(() => {
-		paginationComponent.value.reload();
+		paginationComponent.value?.reload();
 	});
 }
 
diff --git a/packages/frontend/src/pages/my-clips/index.vue b/packages/frontend/src/pages/my-clips/index.vue
index ece998a7a5..acf37a9a2f 100644
--- a/packages/frontend/src/pages/my-clips/index.vue
+++ b/packages/frontend/src/pages/my-clips/index.vue
@@ -77,15 +77,15 @@ async function create() {
 
 	clipsCache.delete();
 
-	pagingComponent.value.reload();
+	pagingComponent.value?.reload();
 }
 
 function onClipCreated() {
-	pagingComponent.value.reload();
+	pagingComponent.value?.reload();
 }
 
 function onClipDeleted() {
-	pagingComponent.value.reload();
+	pagingComponent.value?.reload();
 }
 
 const headerActions = computed(() => []);
diff --git a/packages/frontend/src/pages/my-lists/list.vue b/packages/frontend/src/pages/my-lists/list.vue
index 804a5ae8f8..69e404bd85 100644
--- a/packages/frontend/src/pages/my-lists/list.vue
+++ b/packages/frontend/src/pages/my-lists/list.vue
@@ -110,7 +110,7 @@ function addUser() {
 			listId: list.value.id,
 			userId: user.id,
 		}).then(() => {
-			paginationEl.value.reload();
+			paginationEl.value?.reload();
 		});
 	});
 }
@@ -126,7 +126,7 @@ async function removeUser(item, ev) {
 				listId: list.value.id,
 				userId: item.userId,
 			}).then(() => {
-				paginationEl.value.removeItem(item.id);
+				paginationEl.value?.removeItem(item.id);
 			});
 		},
 	}], ev.currentTarget ?? ev.target);
diff --git a/packages/frontend/src/pages/settings/2fa.qrdialog.vue b/packages/frontend/src/pages/settings/2fa.qrdialog.vue
index 2244047b31..18c82ffdf6 100644
--- a/packages/frontend/src/pages/settings/2fa.qrdialog.vue
+++ b/packages/frontend/src/pages/settings/2fa.qrdialog.vue
@@ -138,12 +138,13 @@ const token = ref<string | number | null>(null);
 const backupCodes = ref<string[]>();
 
 function cancel() {
-	dialog.value.close();
+	dialog.value?.close();
 }
 
 async function tokenDone() {
+	if (token.value == null) return;
 	const res = await os.apiWithDialog('i/2fa/done', {
-		token: token.value.toString(),
+		token: typeof token.value === 'string' ? token.value : token.value.toString(),
 	});
 
 	backupCodes.value = res.backupCodes;
@@ -166,7 +167,7 @@ function downloadBackupCodes() {
 }
 
 function allDone() {
-	dialog.value.close();
+	dialog.value?.close();
 }
 </script>
 
diff --git a/packages/frontend/src/pages/settings/apps.vue b/packages/frontend/src/pages/settings/apps.vue
index 68e36ef1bb..6515503505 100644
--- a/packages/frontend/src/pages/settings/apps.vue
+++ b/packages/frontend/src/pages/settings/apps.vue
@@ -55,6 +55,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { ref, computed } from 'vue';
+import * as Misskey from 'misskey-js';
 import FormPagination from '@/components/MkPagination.vue';
 import { misskeyApi } from '@/scripts/misskey-api.js';
 import { i18n } from '@/i18n.js';
@@ -77,7 +78,7 @@ const pagination = {
 
 function revoke(token) {
 	misskeyApi('i/revoke-token', { tokenId: token.id }).then(() => {
-		list.value.reload();
+		list.value?.reload();
 	});
 }
 
diff --git a/packages/frontend/src/pages/settings/avatar-decoration.dialog.vue b/packages/frontend/src/pages/settings/avatar-decoration.dialog.vue
index 853e536ea3..4b4be00fc8 100644
--- a/packages/frontend/src/pages/settings/avatar-decoration.dialog.vue
+++ b/packages/frontend/src/pages/settings/avatar-decoration.dialog.vue
@@ -108,7 +108,7 @@ const decorationsForPreview = computed(() => {
 });
 
 function cancel() {
-	dialog.value.close();
+	dialog.value?.close();
 }
 
 async function update() {
@@ -118,7 +118,7 @@ async function update() {
 		offsetX: offsetX.value,
 		offsetY: offsetY.value,
 	});
-	dialog.value.close();
+	dialog.value?.close();
 }
 
 async function attach() {
@@ -128,12 +128,12 @@ async function attach() {
 		offsetX: offsetX.value,
 		offsetY: offsetY.value,
 	});
-	dialog.value.close();
+	dialog.value?.close();
 }
 
 async function detach() {
 	emit('detach');
-	dialog.value.close();
+	dialog.value?.close();
 }
 </script>