diff --git a/frontend/admin-app/lib/app/i18n/app_localizations.dart b/frontend/admin-app/lib/app/i18n/app_localizations.dart
index 79a0b0f..6b764a0 100644
--- a/frontend/admin-app/lib/app/i18n/app_localizations.dart
+++ b/frontend/admin-app/lib/app/i18n/app_localizations.dart
@@ -78,6 +78,10 @@ class AppLocalizations {
     'login_agreement': '《发行方服务协议》',
     'login_button': '登录',
     'login_register': '还没有账号？申请入驻',
+    'login_error_phone': '请输入手机号',
+    'login_error_code': '请输入6位验证码',
+    'login_error_network': '网络错误，请稍后重试',
+    'login_code_sent': '验证码已发送',
 
     // ── Onboarding ──
     'onboarding_title': '企业入驻',
@@ -639,6 +643,10 @@ class AppLocalizations {
     'login_agreement': 'Issuer Service Agreement',
     'login_button': 'Sign In',
     'login_register': 'No account? Apply to join',
+    'login_error_phone': 'Please enter your phone number',
+    'login_error_code': 'Please enter the 6-digit code',
+    'login_error_network': 'Network error, please try again',
+    'login_code_sent': 'Code sent',
 
     // ── Onboarding ──
     'onboarding_title': 'Business Onboarding',
@@ -1200,6 +1208,10 @@ class AppLocalizations {
     'login_agreement': '発行者サービス規約',
     'login_button': 'ログイン',
     'login_register': 'アカウントがない場合は申請',
+    'login_error_phone': '電話番号を入力してください',
+    'login_error_code': '6桁の認証コードを入力してください',
+    'login_error_network': 'ネットワークエラーです。後でもう一度お試しください',
+    'login_code_sent': '認証コードを送信しました',
 
     // ── Onboarding ──
     'onboarding_title': '企業登録',
diff --git a/frontend/admin-app/lib/core/services/auth_service.dart b/frontend/admin-app/lib/core/services/auth_service.dart
index c05bd36..c01f823 100644
--- a/frontend/admin-app/lib/core/services/auth_service.dart
+++ b/frontend/admin-app/lib/core/services/auth_service.dart
@@ -1,6 +1,17 @@
 import 'package:flutter/foundation.dart';
 import '../network/api_client.dart';
 
+/// SMS 验证码类型
+enum SmsCodeType {
+  register('REGISTER'),
+  login('LOGIN'),
+  resetPassword('RESET_PASSWORD'),
+  changePhone('CHANGE_PHONE');
+
+  final String value;
+  const SmsCodeType(this.value);
+}
+
 /// 认证服务
 class AuthService {
   final ApiClient _apiClient;
@@ -8,13 +19,16 @@ class AuthService {
   AuthService({ApiClient? apiClient})
       : _apiClient = apiClient ?? ApiClient.instance;
 
-  /// 发送短信验证码
-  Future<bool> sendSmsCode(String phone) async {
+  /// 发送短信验证码 (支持类型)
+  Future<int> sendSmsCode(String phone, {SmsCodeType type = SmsCodeType.login}) async {
     try {
-      await _apiClient.post('/api/v1/auth/send-sms-code', data: {
+      final response = await _apiClient.post('/api/v1/auth/sms/send', data: {
         'phone': phone,
+        'type': type.value,
       });
-      return true;
+      final data = response.data is Map<String, dynamic> ? response.data : {};
+      final inner = data['data'] ?? data;
+      return (inner is Map<String, dynamic>) ? (inner['expiresIn'] ?? 300) as int : 300;
     } catch (e) {
       debugPrint('[AuthService] sendSmsCode 失败: $e');
       rethrow;
diff --git a/frontend/admin-app/lib/features/auth/presentation/pages/issuer_login_page.dart b/frontend/admin-app/lib/features/auth/presentation/pages/issuer_login_page.dart
index e3aa4c8..1f9c934 100644
--- a/frontend/admin-app/lib/features/auth/presentation/pages/issuer_login_page.dart
+++ b/frontend/admin-app/lib/features/auth/presentation/pages/issuer_login_page.dart
@@ -44,7 +44,7 @@ class _IssuerLoginPageState extends State<IssuerLoginPage> {
     });
 
     try {
-      await _authService.sendSmsCode(phone);
+      await _authService.sendSmsCode(phone, type: SmsCodeType.login);
       if (!mounted) return;
       setState(() {
         _isSendingCode = false;
diff --git a/frontend/miniapp/src/i18n/index.ts b/frontend/miniapp/src/i18n/index.ts
index ca76be0..373a96e 100644
--- a/frontend/miniapp/src/i18n/index.ts
+++ b/frontend/miniapp/src/i18n/index.ts
@@ -210,6 +210,12 @@ const translations: Record<Locale, Record<string, string>> = {
     'login_code': '验证码',
     'login_btn': '登录',
     'login_agree': '登录即表示同意',
+    'login_code_sent': '验证码已发送',
+    'login_error_phone': '请输入正确的手机号',
+    'login_error_code': '请输入6位验证码',
+    'login_error_network': '网络错误，请稍后重试',
+    'register_success': '注册成功',
+    'register_error_agree': '请先同意用户协议',
 
     // ── Detail (additional) ──
     'coupon_type_label': '类型',
@@ -660,6 +666,12 @@ const translations: Record<Locale, Record<string, string>> = {
     'login_code': 'Verification code',
     'login_btn': 'Log In',
     'login_agree': 'By logging in, you agree to the',
+    'login_code_sent': 'Code sent',
+    'login_error_phone': 'Please enter a valid phone number',
+    'login_error_code': 'Please enter a 6-digit code',
+    'login_error_network': 'Network error, please try again',
+    'register_success': 'Registration successful',
+    'register_error_agree': 'Please agree to the terms first',
 
     // ── Detail (additional) ──
     'coupon_type_label': 'Type',
@@ -1110,6 +1122,12 @@ const translations: Record<Locale, Record<string, string>> = {
     'login_code': '認証コード',
     'login_btn': 'ログイン',
     'login_agree': 'ログインすると以下に同意したものとみなされます',
+    'login_code_sent': '認証コードを送信しました',
+    'login_error_phone': '正しい電話番号を入力してください',
+    'login_error_code': '6桁の認証コードを入力してください',
+    'login_error_network': 'ネットワークエラーです。後でもう一度お試しください',
+    'register_success': '登録が完了しました',
+    'register_error_agree': '利用規約に同意してください',
 
     // ── Detail (additional) ──
     'coupon_type_label': '種類',
diff --git a/frontend/miniapp/src/pages/h5-register/index.tsx b/frontend/miniapp/src/pages/h5-register/index.tsx
index b8882d3..3503ed9 100644
--- a/frontend/miniapp/src/pages/h5-register/index.tsx
+++ b/frontend/miniapp/src/pages/h5-register/index.tsx
@@ -1,7 +1,7 @@
 import React, { useState } from 'react';
 import { t } from '@/i18n';
 import Taro from '@tarojs/taro';
-import { register, sendSmsCode } from '../../services/auth';
+import { register, sendSmsCode, type SmsCodeType } from '../../services/auth';
 import { authStore } from '../../store/auth';
 import logoIcon from '@/assets/images/logo_icon.png';
 // Taro mini-program component
@@ -24,7 +24,7 @@ const H5RegisterPage: React.FC = () => {
   const handleSendCode = () => {
     if (!phone || phone.length < 11 || codeSending || codeCountdown > 0) return;
     setCodeSending(true);
-    sendSmsCode(phone)
+    sendSmsCode(phone, 'REGISTER')
       .then(() => {
         Taro.showToast({ title: t('login_code_sent') || '验证码已发送', icon: 'success' });
         setCodeCountdown(60);
@@ -47,8 +47,10 @@ const H5RegisterPage: React.FC = () => {
     setSubmitting(true);
     register(phone, smsCode)
       .then((result) => {
-        // Store tokens via auth store if needed
-        Taro.setStorageSync('token', result.accessToken);
+        // Store tokens via config keys for consistency
+        const { config } = require('../../config');
+        Taro.setStorageSync(config.TOKEN_KEY, result.accessToken);
+        Taro.setStorageSync(config.USER_KEY, JSON.stringify(result.user));
         Taro.showToast({ title: t('register_success') || '注册成功', icon: 'success' });
         setTimeout(() => {
           Taro.reLaunch({ url: '/pages/home/index' });
diff --git a/frontend/miniapp/src/pages/login/index.tsx b/frontend/miniapp/src/pages/login/index.tsx
index f96fd34..8be78ea 100644
--- a/frontend/miniapp/src/pages/login/index.tsx
+++ b/frontend/miniapp/src/pages/login/index.tsx
@@ -2,7 +2,7 @@ import React, { useState } from 'react';
 import { t } from '@/i18n';
 import Taro from '@tarojs/taro';
 import { authStore } from '../../store/auth';
-import { sendSmsCode } from '../../services/auth';
+import { sendSmsCode, type SmsCodeType } from '../../services/auth';
 import logoIcon from '@/assets/images/logo_icon.png';
 // Taro mini-program component
 
@@ -23,7 +23,7 @@ const LoginPage: React.FC = () => {
   const handleSendCode = () => {
     if (!phone || phone.length < 11 || codeSending || codeCountdown > 0) return;
     setCodeSending(true);
-    sendSmsCode(phone)
+    sendSmsCode(phone, 'LOGIN')
       .then(() => {
         Taro.showToast({ title: t('login_code_sent') || '验证码已发送', icon: 'success' });
         setCodeCountdown(60);
diff --git a/frontend/miniapp/src/services/auth.ts b/frontend/miniapp/src/services/auth.ts
index b1cd1af..ad3ce2f 100644
--- a/frontend/miniapp/src/services/auth.ts
+++ b/frontend/miniapp/src/services/auth.ts
@@ -6,14 +6,22 @@ interface LoginResult {
   user: { id: string; phone?: string; nickname?: string; kycLevel: number };
 }
 
+/** SMS 验证码类型 */
+export type SmsCodeType = 'REGISTER' | 'LOGIN' | 'RESET_PASSWORD' | 'CHANGE_PHONE';
+
 /** 手机号+验证码登录 */
-export function loginByPhone(phone: string, smsCode: string) {
-  return post<LoginResult>('/api/v1/auth/login-phone', { phone, smsCode }, false);
+export function loginByPhone(phone: string, smsCode: string, deviceInfo?: string) {
+  return post<LoginResult>('/api/v1/auth/login-phone', { phone, smsCode, ...(deviceInfo ? { deviceInfo } : {}) }, false);
+}
+
+/** 密码登录 */
+export function loginByPassword(identifier: string, password: string) {
+  return post<LoginResult>('/api/v1/auth/login', { identifier, password }, false);
 }
 
 /** 发送短信验证码 */
-export function sendSmsCode(phone: string) {
-  return post<{ success: boolean }>('/api/v1/auth/send-sms-code', { phone }, false);
+export function sendSmsCode(phone: string, type: SmsCodeType = 'LOGIN') {
+  return post<{ expiresIn: number }>('/api/v1/auth/sms/send', { phone, type }, false);
 }
 
 /** 微信登录 */
@@ -22,8 +30,17 @@ export function loginByWechat(code: string) {
 }
 
 /** 注册 */
-export function register(phone: string, smsCode: string) {
-  return post<LoginResult>('/api/v1/auth/register', { phone, smsCode }, false);
+export function register(phone: string, smsCode: string, password?: string, nickname?: string) {
+  return post<LoginResult>('/api/v1/auth/register', {
+    phone, smsCode,
+    ...(password ? { password } : {}),
+    ...(nickname ? { nickname } : {}),
+  }, false);
+}
+
+/** 重置密码 */
+export function resetPassword(phone: string, smsCode: string, newPassword: string) {
+  return post<void>('/api/v1/auth/reset-password', { phone, smsCode, newPassword }, false);
 }
 
 /** 登出 */
diff --git a/frontend/miniapp/src/store/auth.ts b/frontend/miniapp/src/store/auth.ts
index 3303f9e..d50f103 100644
--- a/frontend/miniapp/src/store/auth.ts
+++ b/frontend/miniapp/src/store/auth.ts
@@ -53,9 +53,9 @@ export const authStore = {
     notify();
   },
 
-  /** 发送短信验证码 */
-  async sendSmsCode(phone: string): Promise<void> {
-    await post('/api/v1/auth/send-sms-code', { phone }, false);
+  /** 发送短信验证码 (支持类型) */
+  async sendSmsCode(phone: string, type: 'REGISTER' | 'LOGIN' | 'RESET_PASSWORD' | 'CHANGE_PHONE' = 'LOGIN'): Promise<void> {
+    await post('/api/v1/auth/sms/send', { phone, type }, false);
   },
 
   /** 微信一键登录 */