diff --git a/package.json b/package.json
index 2dcb67d..f5387ca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-update-cli",
-  "version": "1.42.1",
+  "version": "1.42.2",
   "description": "Command tools for javaScript updater with `pushy` service for react native apps.",
   "main": "index.js",
   "bin": {
diff --git a/src/app.ts b/src/app.ts
index 310bf97..fb6fb5b 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -4,16 +4,14 @@ import Table from 'tty-table';
 
 import { post, get, doDelete } from './api';
 import type { Platform } from './types';
+import { t } from './utils/i18n';
+
+const validPlatforms = ['ios', 'android', 'harmony'];
 
-const validPlatforms = {
-  ios: 1,
-  android: 1,
-  harmony: 1,
-};
 
 export function checkPlatform(platform: Platform) {
-  if (!validPlatforms[platform]) {
-    throw new Error(`无法识别的平台 '${platform}'`);
+  if (!validPlatforms.includes(platform)) {
+    throw new Error(t('unsupportedPlatform', { platform }));
   }
   return platform;
 }
@@ -22,27 +20,23 @@ export function getSelectedApp(platform: Platform) {
   checkPlatform(platform);
 
   if (!fs.existsSync('update.json')) {
-    throw new Error(
-      `App not selected. run 'pushy selectApp --platform ${platform}' first!`,
-    );
+    throw new Error(t('appNotSelected', { platform }));
   }
   const updateInfo = JSON.parse(fs.readFileSync('update.json', 'utf8'));
   if (!updateInfo[platform]) {
-    throw new Error(
-      `App not selected. run 'pushy selectApp --platform ${platform}' first!`,
-    );
+    throw new Error(t('appNotSelected', { platform }));
   }
   return updateInfo[platform];
 }
 
-export async function listApp(platform: Platform) {
+export async function listApp(platform: Platform | '' = '') {
   const { data } = await get('/app/list');
   const list = platform ? data.filter((v) => v.platform === platform) : data;
 
   const header = [
-    { value: '应用 id' },
-    { value: '应用名称' },
-    { value: '平台' },
+    { value: t('appId') },
+    { value: t('appName') },
+    { value: t('platform') },
   ];
   const rows = [];
   for (const app of list) {
@@ -51,11 +45,7 @@ export async function listApp(platform: Platform) {
 
   console.log(Table(header, rows).render());
 
-  if (platform) {
-    console.log(`\共 ${list.length} ${platform} 个应用`);
-  } else {
-    console.log(`\共 ${list.length} 个应用`);
-  }
+  console.log(`\n${t('totalApps', { count: list.length, platform })}`);
   return list;
 }
 
@@ -63,7 +53,7 @@ export async function chooseApp(platform: Platform) {
   const list = await listApp(platform);
 
   while (true) {
-    const id = await question('输入应用 id:');
+    const id = await question(t('enterAppIdQuestion'));
     const app = list.find((v) => v.id === Number(id));
     if (app) {
       return app;
@@ -77,13 +67,13 @@ export const commands = {
   }: {
     options: { name: string; downloadUrl: string; platform: Platform };
   }) {
-    const name = options.name || (await question('应用名称:'));
+    const name = options.name || (await question(t('appNameQuestion')));
     const { downloadUrl } = options;
     const platform = checkPlatform(
-      options.platform || (await question('平台(ios/android/harmony):')),
+      options.platform || (await question(t('platformQuestion'))),
     );
     const { id } = await post('/app/create', { name, platform, downloadUrl });
-    console.log(`已成功创建应用（id: ${id}）`);
+    console.log(t('createAppSuccess', { id }));
     await this.selectApp({
       args: [id],
       options: { platform },
@@ -93,10 +83,10 @@ export const commands = {
     const { platform } = options;
     const id = args[0] || chooseApp(platform);
     if (!id) {
-      console.log('已取消');
+      console.log(t('cancelled'));
     }
     await doDelete(`/app/${id}`);
-    console.log('操作成功');
+    console.log(t('operationSuccess'));
   },
   apps: async ({ options }: { options: { platform: Platform } }) => {
     const { platform } = options;
@@ -104,7 +94,7 @@ export const commands = {
   },
   selectApp: async ({ args, options }: { args: string[]; options: { platform: Platform } }) => {
     const platform = checkPlatform(
-      options.platform || (await question('平台(ios/android/harmony):')),
+      options.platform || (await question(t('platformQuestion'))),
     );
     const id = args[0]
       ? Number.parseInt(args[0])
@@ -115,9 +105,7 @@ export const commands = {
       try {
         updateInfo = JSON.parse(fs.readFileSync('update.json', 'utf8'));
       } catch (e) {
-        console.error(
-          'Failed to parse file `update.json`. Try to remove it manually.',
-        );
+        console.error(t('failedToParseUpdateJson'));
         throw e;
       }
     }
diff --git a/src/locales/en.ts b/src/locales/en.ts
index a447246..a4d13ae 100644
--- a/src/locales/en.ts
+++ b/src/locales/en.ts
@@ -25,4 +25,18 @@ This can reduce the risk of inconsistent dependencies and supply chain attacks.
   latestVersionTag: '(latest: {{version}})',
   rnuVersionNotFound:
     'react-native-update: Cannot get the version number. Please run the command in the project directory',
+  unsupportedPlatform: 'Unsupported platform `{{platform}}`',
+  appId: 'App ID',
+  appName: 'App Name',
+  platform: 'Platform',
+  totalApps: 'Total {{count}} apps',
+  appNotSelected:
+    'App not selected. run `cresc selectApp --platform {{platform}}` first!',
+  enterAppIdQuestion: 'Enter AppId:',
+  appNameQuestion: 'App Name:',
+  platformQuestion: 'Platform(ios/android/harmony):',
+  createAppSuccess: 'App created successfully (id: {{id}})',
+  cancelled: 'Cancelled',
+  operationSuccess: 'Operation successful',
+  failedToParseUpdateJson: 'Failed to parse file `update.json`. Try to remove it manually.',
 };
diff --git a/src/locales/zh.ts b/src/locales/zh.ts
index 384c3a7..e9c09da 100644
--- a/src/locales/zh.ts
+++ b/src/locales/zh.ts
@@ -23,4 +23,18 @@ export default {
   latestVersionTag: '（最新：{{version}}）',
   rnuVersionNotFound:
     'react-native-update: 无法获取版本号。请在项目目录中运行命令',
+  unsupportedPlatform: '无法识别的平台 `{{platform}}`',
+  appId: '应用 id',
+  appName: '应用名称',
+  platform: '平台',
+  totalApps: '共 {{count}} 个{{platform}}应用',
+  appNotSelected:
+    '尚未选择应用。请先运行 `pushy selectApp --platform {{platform}}` 来选择应用',
+  enterAppIdQuestion: '输入应用 id:',
+  appNameQuestion: '应用名称:',
+  platformQuestion: '平台(ios/android/harmony):',
+  createAppSuccess: '已成功创建应用（id: {{id}}）',
+  cancelled: '已取消',
+  operationSuccess: '操作成功',
+  failedToParseUpdateJson: '无法解析文件 `update.json`。请手动删除它。',
 };