diff --git a/packages/client/src/directives/tooltip.ts b/packages/client/src/directives/tooltip.ts
index 1294f6b063..b96671be35 100644
--- a/packages/client/src/directives/tooltip.ts
+++ b/packages/client/src/directives/tooltip.ts
@@ -1,6 +1,6 @@
 import { Directive, ref } from 'vue';
 import { isDeviceTouch } from '@/scripts/is-device-touch';
-import { popup, dialog } from '@/os';
+import { popup, alert } from '@/os';
 
 const start = isDeviceTouch ? 'touchstart' : 'mouseover';
 const end = isDeviceTouch ? 'touchend' : 'mouseleave';
@@ -28,7 +28,7 @@ export default {
 			el.addEventListener('click', (ev) => {
 				ev.preventDefault();
 				ev.stopPropagation();
-				dialog({
+				alert({
 					type: 'info',
 					text: binding.value,
 				});
diff --git a/packages/client/src/init.ts b/packages/client/src/init.ts
index 27ed781060..f0368cc1d7 100644
--- a/packages/client/src/init.ts
+++ b/packages/client/src/init.ts
@@ -26,7 +26,7 @@ import { router } from '@/router';
 import { applyTheme } from '@/scripts/theme';
 import { isDeviceDarkmode } from '@/scripts/is-device-darkmode';
 import { i18n } from '@/i18n';
-import { stream, dialog, post, popup } from '@/os';
+import { stream, confirm, alert, post, popup } from '@/os';
 import * as sound from '@/scripts/sound';
 import { $i, refreshAccount, login, updateAccount, signout } from '@/account';
 import { defaultStore, ColdDeviceStorage } from '@/store';
@@ -53,7 +53,7 @@ if (_DEV_) {
 	window.addEventListener('error', event => {
 		console.error(event);
 		/*
-		dialog({
+		alert({
 			type: 'error',
 			title: 'DEV: Unhandled error',
 			text: event.message
@@ -64,7 +64,7 @@ if (_DEV_) {
 	window.addEventListener('unhandledrejection', event => {
 		console.error(event);
 		/*
-		dialog({
+		alert({
 			type: 'error',
 			title: 'DEV: Unhandled promise rejection',
 			text: event.reason
@@ -311,11 +311,10 @@ stream.on('_disconnected_', async () => {
 	} else if (defaultStore.state.serverDisconnectedBehavior === 'dialog') {
 		if (reloadDialogShowing) return;
 		reloadDialogShowing = true;
-		const { canceled } = await dialog({
+		const { canceled } = await confirm({
 			type: 'warning',
 			title: i18n.locale.disconnectedFromServer,
 			text: i18n.locale.reloadConfirm,
-			showCancelButton: true
 		});
 		reloadDialogShowing = false;
 		if (!canceled) {
@@ -337,7 +336,7 @@ for (const plugin of ColdDeviceStorage.get('plugins').filter(p => p.active)) {
 
 if ($i) {
 	if ($i.isDeleted) {
-		dialog({
+		alert({
 			type: 'warning',
 			text: i18n.locale.accountDeletionInProgress,
 		});
diff --git a/packages/client/src/os.ts b/packages/client/src/os.ts
index 4f547ba5a5..2bd270a97c 100644
--- a/packages/client/src/os.ts
+++ b/packages/client/src/os.ts
@@ -103,7 +103,7 @@ export const apiWithDialog = ((
 ) => {
 	const promise = api(endpoint, data, token);
 	promiseDialog(promise, null, (e) => {
-		dialog({
+		alert({
 			type: 'error',
 			text: e.message + '\n' + (e as any).id,
 		});
@@ -136,7 +136,7 @@ export function promiseDialog<T extends Promise<any>>(
 		if (onFailure) {
 			onFailure(e);
 		} else {
-			dialog({
+			alert({
 				type: 'error',
 				text: e
 			});
diff --git a/packages/client/src/plugin.ts b/packages/client/src/plugin.ts
index c56ee1eb25..ca7b4b73d3 100644
--- a/packages/client/src/plugin.ts
+++ b/packages/client/src/plugin.ts
@@ -2,7 +2,7 @@ import { AiScript, utils, values } from '@syuilo/aiscript';
 import { deserialize } from '@syuilo/aiscript/built/serializer';
 import { jsToVal } from '@syuilo/aiscript/built/interpreter/util';
 import { createAiScriptEnv } from '@/scripts/aiscript/api';
-import { dialog } from '@/os';
+import { inputText } from '@/os';
 import { noteActions, notePostInterruptors, noteViewInterruptors, postFormActions, userActions } from '@/store';
 
 const pluginContexts = new Map<string, AiScript>();
@@ -16,9 +16,8 @@ export function install(plugin) {
 	}), {
 		in: (q) => {
 			return new Promise(ok => {
-				dialog({
+				inputText({
 					title: q,
-					input: {}
 				}).then(({ canceled, result: a }) => {
 					ok(a);
 				});
diff --git a/packages/client/src/scripts/please-login.ts b/packages/client/src/scripts/please-login.ts
index 928f6ec0f4..fe3919e4c7 100644
--- a/packages/client/src/scripts/please-login.ts
+++ b/packages/client/src/scripts/please-login.ts
@@ -1,11 +1,11 @@
 import { $i } from '@/account';
 import { i18n } from '@/i18n';
-import { dialog } from '@/os';
+import { alert } from '@/os';
 
 export function pleaseLogin() {
 	if ($i) return;
 
-	dialog({
+	alert({
 		title: i18n.locale.signinRequired,
 		text: null
 	});