新增：用户名密码登录

src/api/auth.ts

@@ -0,0 +1,75 @@
+import { post } from './request'
+import type { UserInfo } from '@/stores/user'
+
+export interface CaptchaData {
+  captchaId: string
+  picPath: string
+  captchaLength: number
+  openCaptcha: boolean
+}
+
+export interface CaptchaResponse {
+  code: number
+  data?: CaptchaData
+  msg?: string
+}
+
+export interface LoginResponseData {
+  token: string
+  expiresAt?: number
+  user?: UserInfo
+}
+
+export interface AuthApiResponse {
+  code: number
+  data?: LoginResponseData
+  msg?: string
+}
+
+export interface LoginByPasswordParams {
+  username: string
+  password: string
+  captcha: string
+  captchaId: string
+}
+
+export interface RegisterByPasswordParams {
+  userName: string
+  passWord: string
+  nickName?: string
+  captcha: string
+  captchaId: string
+  promotionCode?: string
+}
+
+/** POST /base/captcha */
+export async function getCaptcha(): Promise<CaptchaResponse> {
+  return post<CaptchaResponse>('/base/captcha')
+}
+
+/** POST /base/login */
+export async function loginByPassword(params: LoginByPasswordParams): Promise<AuthApiResponse> {
+  return post<AuthApiResponse>('/base/login', params)
+}
+
+/** POST /base/register */
+export async function registerByPassword(
+  params: RegisterByPasswordParams,
+): Promise<AuthApiResponse> {
+  return post<AuthApiResponse>('/base/register', params)
+}
+
+/** 从登录/注册响应中解析 token 与 user，供各登录方式复用 */
+export function parseLoginResponse(data: LoginResponseData | Record<string, unknown>): {
+  token: string | undefined
+  user: UserInfo | undefined
+} {
+  const record = data as Record<string, unknown>
+  const token = record.token as string | undefined
+  const user =
+    (record.user as UserInfo | undefined) ??
+    (record.ID != null || record.id != null || record.userName != null
+      ? (record as unknown as UserInfo)
+      : undefined)
+  return { token, user }
+}

src/locales/en.json

@@ -142,14 +142,43 @@
   },
   "login": {
     "title": "Sign In",
-    "desc": "Connect your wallet to sign in",
+    "descAccount": "Sign in with your username and password",
+    "descWallet": "Connect your wallet to sign in",
+    "tabAccount": "Account",
+    "tabWallet": "Wallet",
+    "username": "Username",
+    "password": "Password",
+    "captcha": "Captcha",
+    "refreshCaptcha": "Refresh captcha",
+    "loginBtn": "Sign In",
     "connecting": "Connecting...",
     "connectBtn": "Connect with Wallet",
     "signUp": "Don't have an account? Sign Up",
     "walletNotInstalled": "Ethereum wallet is not installed. Please install MetaMask, TokenPocket or another Ethereum wallet to continue.",
     "invalidAddress": "Invalid wallet address format. Please check your wallet connection.",
     "connectFailed": "Failed to connect with wallet. Please check your wallet and try again.",
-    "siweStatement": "Sign in to Alpha Market"  
+    "loginFailed": "Sign in failed. Please check your credentials and try again.",
+    "credentialsRequired": "Please enter username and password.",
+    "captchaRequired": "Please enter the captcha.",
+    "captchaLoadFailed": "Failed to load captcha. Please refresh and try again.",
+    "siweStatement": "Sign in to Alpha Market"
+  },
+  "register": {
+    "title": "Sign Up",
+    "desc": "Create an account to start trading",
+    "username": "Username",
+    "nickName": "Nickname (optional)",
+    "password": "Password",
+    "confirmPassword": "Confirm Password",
+    "captcha": "Captcha",
+    "refreshCaptcha": "Refresh captcha",
+    "submitBtn": "Create Account",
+    "signIn": "Already have an account? Sign In",
+    "passwordMismatch": "Passwords do not match.",
+    "credentialsRequired": "Please enter username and password.",
+    "captchaRequired": "Please enter the captcha.",
+    "captchaLoadFailed": "Failed to load captcha. Please refresh and try again.",
+    "failed": "Registration failed. Please try again."
   },
   "apiKey": {
     "title": "API Key Management",

src/locales/ja.json

@@ -142,14 +142,43 @@
   },
   "login": {
     "title": "サインイン",
-    "desc": "ウォレットを接続してサインイン",
+    "descAccount": "ユーザー名とパスワードでサインイン",
+    "descWallet": "ウォレットを接続してサインイン",
+    "tabAccount": "アカウント",
+    "tabWallet": "ウォレット",
+    "username": "ユーザー名",
+    "password": "パスワード",
+    "captcha": "認証コード",
+    "refreshCaptcha": "認証コードを更新",
+    "loginBtn": "サインイン",
     "connecting": "接続中...",
     "connectBtn": "ウォレットで接続",
     "signUp": "アカウントをお持ちでないですか？新規登録",
     "walletNotInstalled": "イーサリアムウォレットがインストールされていません。MetaMask、TokenPocket などのウォレットをインストールしてください。",
     "invalidAddress": "ウォレットアドレスの形式が無効です。接続を確認してください。",
     "connectFailed": "ウォレットの接続に失敗しました。ウォレットを確認して再試行してください。",
-    "siweStatement": "Alpha Market にサインイン"  
+    "loginFailed": "サインインに失敗しました。認証情報を確認してください。",
+    "credentialsRequired": "ユーザー名とパスワードを入力してください。",
+    "captchaRequired": "認証コードを入力してください。",
+    "captchaLoadFailed": "認証コードの読み込みに失敗しました。更新して再試行してください。",
+    "siweStatement": "Alpha Market にサインイン"
+  },
+  "register": {
+    "title": "新規登録",
+    "desc": "アカウントを作成して取引を開始",
+    "username": "ユーザー名",
+    "nickName": "ニックネーム（任意）",
+    "password": "パスワード",
+    "confirmPassword": "パスワード確認",
+    "captcha": "認証コード",
+    "refreshCaptcha": "認証コードを更新",
+    "submitBtn": "アカウント作成",
+    "signIn": "すでにアカウントをお持ちですか？サインイン",
+    "passwordMismatch": "パスワードが一致しません。",
+    "credentialsRequired": "ユーザー名とパスワードを入力してください。",
+    "captchaRequired": "認証コードを入力してください。",
+    "captchaLoadFailed": "認証コードの読み込みに失敗しました。更新して再試行してください。",
+    "failed": "登録に失敗しました。再試行してください。"
   },
   "apiKey": {
     "title": "API Key 管理",

src/locales/ko.json

@@ -142,15 +142,44 @@
   },
   "login": {
     "title": "로그인",
-    "desc": "지갑을 연결하여 로그인",
+    "descAccount": "사용자 이름과 비밀번호로 로그인",
+    "descWallet": "지갑을 연결하여 로그인",
+    "tabAccount": "계정",
+    "tabWallet": "지갑",
+    "username": "사용자 이름",
+    "password": "비밀번호",
+    "captcha": "인증 코드",
+    "refreshCaptcha": "인증 코드 새로고침",
+    "loginBtn": "로그인",
     "connecting": "연결 중...",
     "connectBtn": "지갑 연결",
     "signUp": "계정이 없으신가요? 회원가입",
     "walletNotInstalled": "이더리움 지갑이 설치되어 있지 않습니다. MetaMask, TokenPocket 등 지갑을 설치해 주세요.",
     "invalidAddress": "지갑 주소 형식이 올바르지 않습니다. 지갑 연결을 확인해 주세요.",
     "connectFailed": "지갑 연결에 실패했습니다. 지갑을 확인하고 다시 시도해 주세요.",
+    "loginFailed": "로그인에 실패했습니다. 계정 정보를 확인해 주세요.",
+    "credentialsRequired": "사용자 이름과 비밀번호를 입력해 주세요.",
+    "captchaRequired": "인증 코드를 입력해 주세요.",
+    "captchaLoadFailed": "인증 코드를 불러오지 못했습니다. 새로고침 후 다시 시도해 주세요.",
     "siweStatement": "Alpha Market 로그인"
   },
+  "register": {
+    "title": "회원가입",
+    "desc": "계정을 만들고 거래를 시작하세요",
+    "username": "사용자 이름",
+    "nickName": "닉네임 (선택)",
+    "password": "비밀번호",
+    "confirmPassword": "비밀번호 확인",
+    "captcha": "인증 코드",
+    "refreshCaptcha": "인증 코드 새로고침",
+    "submitBtn": "계정 만들기",
+    "signIn": "이미 계정이 있으신가요? 로그인",
+    "passwordMismatch": "비밀번호가 일치하지 않습니다.",
+    "credentialsRequired": "사용자 이름과 비밀번호를 입력해 주세요.",
+    "captchaRequired": "인증 코드를 입력해 주세요.",
+    "captchaLoadFailed": "인증 코드를 불러오지 못했습니다. 새로고침 후 다시 시도해 주세요.",
+    "failed": "회원가입에 실패했습니다. 다시 시도해 주세요."
+  },
   "apiKey": {
     "title": "API Key 관리",
     "createBtn": "Key 생성",

src/locales/zh-CN.json

@@ -142,15 +142,44 @@
   },
   "login": {
     "title": "登录",
-    "desc": "连接钱包以登录",
+    "descAccount": "使用用户名和密码登录",
+    "descWallet": "连接钱包以登录",
+    "tabAccount": "账号密码",
+    "tabWallet": "钱包登录",
+    "username": "用户名",
+    "password": "密码",
+    "captcha": "验证码",
+    "refreshCaptcha": "刷新验证码",
+    "loginBtn": "登录",
     "connecting": "连接中...",
     "connectBtn": "连接钱包",
     "signUp": "没有账号？立即注册",
     "walletNotInstalled": "未检测到以太坊钱包。请安装 MetaMask、TokenPocket 或其他以太坊钱包后重试。",
     "invalidAddress": "钱包地址格式无效，请检查钱包连接。",
     "connectFailed": "连接钱包失败，请检查钱包后重试。",
+    "loginFailed": "登录失败，请检查账号密码后重试。",
+    "credentialsRequired": "请输入用户名和密码。",
+    "captchaRequired": "请输入验证码。",
+    "captchaLoadFailed": "验证码加载失败，请刷新后重试。",
     "siweStatement": "登录 Alpha Market"
   },
+  "register": {
+    "title": "注册",
+    "desc": "创建账号开始交易",
+    "username": "用户名",
+    "nickName": "昵称（可选）",
+    "password": "密码",
+    "confirmPassword": "确认密码",
+    "captcha": "验证码",
+    "refreshCaptcha": "刷新验证码",
+    "submitBtn": "注册",
+    "signIn": "已有账号？立即登录",
+    "passwordMismatch": "两次输入的密码不一致。",
+    "credentialsRequired": "请输入用户名和密码。",
+    "captchaRequired": "请输入验证码。",
+    "captchaLoadFailed": "验证码加载失败，请刷新后重试。",
+    "failed": "注册失败，请稍后重试。"
+  },
   "apiKey": {
     "title": "API Key 管理",
     "createBtn": "创建 Key",

src/locales/zh-TW.json

@@ -142,15 +142,44 @@
     },
     "login": {
         "title": "登入",
-        "desc": "連接錢包以登入",
+        "descAccount": "使用使用者名稱和密碼登入",
+        "descWallet": "連接錢包以登入",
+        "tabAccount": "帳號密碼",
+        "tabWallet": "錢包登入",
+        "username": "使用者名稱",
+        "password": "密碼",
+        "captcha": "驗證碼",
+        "refreshCaptcha": "刷新驗證碼",
+        "loginBtn": "登入",
         "connecting": "連接中...",
         "connectBtn": "連接錢包",
         "signUp": "沒有帳號？立即註冊",
         "walletNotInstalled": "未偵測到以太坊錢包。請安裝 MetaMask、TokenPocket 或其他以太坊錢包後重試。",
         "invalidAddress": "錢包地址格式無效，請檢查錢包連接。",
         "connectFailed": "連接錢包失敗，請檢查錢包後重試。",
+        "loginFailed": "登入失敗，請檢查帳號密碼後重試。",
+        "credentialsRequired": "請輸入使用者名稱和密碼。",
+        "captchaRequired": "請輸入驗證碼。",
+        "captchaLoadFailed": "驗證碼載入失敗，請刷新後重試。",
         "siweStatement": "登入 Alpha Market"
     },
+    "register": {
+        "title": "註冊",
+        "desc": "建立帳號開始交易",
+        "username": "使用者名稱",
+        "nickName": "暱稱（可選）",
+        "password": "密碼",
+        "confirmPassword": "確認密碼",
+        "captcha": "驗證碼",
+        "refreshCaptcha": "刷新驗證碼",
+        "submitBtn": "註冊",
+        "signIn": "已有帳號？立即登入",
+        "passwordMismatch": "兩次輸入的密碼不一致。",
+        "credentialsRequired": "請輸入使用者名稱和密碼。",
+        "captchaRequired": "請輸入驗證碼。",
+        "captchaLoadFailed": "驗證碼載入失敗，請刷新後重試。",
+        "failed": "註冊失敗，請稍後重試。"
+    },
     "apiKey": {
         "title": "API Key 管理",
         "createBtn": "創建 Key",

src/router/index.ts

@@ -3,6 +3,7 @@ import { HOME_MAIN_SCROLL_STORAGE_KEY } from './scrollKeys'
 import Home from '../views/Home.vue'
 import Trade from '../views/Trade.vue'
 import Login from '../views/Login.vue'
+import Register from '../views/Register.vue'
 import TradeDetail from '../views/TradeDetail.vue'
 import EventMarkets from '../views/EventMarkets.vue'
 import Wallet from '../views/Wallet.vue'
@@ -39,6 +40,11 @@ const router = createRouter({
       name: 'login',
       component: Login,
     },
+    {
+      path: '/register',
+      name: 'register',
+      component: Register,
+    },
     {
       path: '/trade-detail/:id',
       name: 'trade-detail',

src/views/Login.vue

@@ -5,20 +5,82 @@
         <v-card class="login-card" elevation="0" rounded="lg">
           <v-card-title class="login-title">{{ t('login.title') }}</v-card-title>
           <v-card-text class="login-body">
-            <p class="login-desc">{{ t('login.desc') }}</p>
-            <v-btn
-              class="wallet-btn"
-              color="success"
-              size="large"
-              block
-              rounded="lg"
-              @click="connectWithWallet"
-              :loading="isConnecting"
-              :disabled="isConnecting"
-            >
-              <v-icon start>mdi-wallet</v-icon>
-              {{ isConnecting ? t('login.connecting') : t('login.connectBtn') }}
-            </v-btn>
+            <v-tabs v-model="activeTab" class="login-tabs" color="success" grow>
+              <v-tab value="account">{{ t('login.tabAccount') }}</v-tab>
+              <v-tab value="wallet">{{ t('login.tabWallet') }}</v-tab>
+            </v-tabs>
+
+            <v-window v-model="activeTab" class="login-window">
+              <v-window-item value="account">
+                <p class="login-desc">{{ t('login.descAccount') }}</p>
+                <v-form @submit.prevent="submitPasswordLogin">
+                  <v-text-field
+                    v-model="username"
+                    :label="t('login.username')"
+                    variant="outlined"
+                    density="comfortable"
+                    autocomplete="username"
+                    class="login-field"
+                  />
+                  <v-text-field
+                    v-model="password"
+                    :label="t('login.password')"
+                    type="password"
+                    variant="outlined"
+                    density="comfortable"
+                    autocomplete="current-password"
+                    class="login-field"
+                  />
+                  <div v-if="openCaptcha" class="captcha-row">
+                    <v-text-field
+                      v-model="captcha"
+                      :label="t('login.captcha')"
+                      variant="outlined"
+                      density="comfortable"
+                      class="captcha-input"
+                      inputmode="numeric"
+                    />
+                    <button
+                      type="button"
+                      class="captcha-img-wrap"
+                      :aria-label="t('login.refreshCaptcha')"
+                      @click="loadCaptcha"
+                    >
+                      <img v-if="captchaImg" :src="captchaImg" alt="" class="captcha-img" />
+                    </button>
+                  </div>
+                  <v-btn
+                    type="submit"
+                    color="success"
+                    size="large"
+                    block
+                    rounded="lg"
+                    class="submit-btn"
+                    :loading="isSubmitting"
+                    :disabled="isSubmitting"
+                  >
+                    {{ t('login.loginBtn') }}
+                  </v-btn>
+                </v-form>
+              </v-window-item>
+
+              <v-window-item value="wallet">
+                <p class="login-desc">{{ t('login.descWallet') }}</p>
+                <v-btn
+                  class="wallet-btn"
+                  color="success"
+                  size="large"
+                  block
+                  rounded="lg"
+                  @click="connectWithWallet"
+                  :loading="isConnecting"
+                  :disabled="isConnecting"
+                >
+                  <v-icon start>mdi-wallet</v-icon>
+                  {{ isConnecting ? t('login.connecting') : t('login.connectBtn') }}
+                </v-btn>
+              </v-window-item>
+            </v-window>
 
             <div v-if="errorMessage" class="error-message">
               {{ errorMessage }}
@@ -35,21 +97,87 @@
 </template>
 
 <script setup lang="ts">
-import { ref } from 'vue'
+import { onMounted, ref } from 'vue'
 import { useRouter } from 'vue-router'
 import { useI18n } from 'vue-i18n'
 import { BrowserProvider } from 'ethers'
 import { SiweMessage } from 'siwe'
 import { useUserStore } from '@/stores/user'
-import type { UserInfo } from '@/stores/user'
 import { post } from '@/api/request'
+import { getCaptcha, loginByPassword, parseLoginResponse, type LoginResponseData } from '@/api/auth'
 
 const router = useRouter()
 const { t } = useI18n()
 const userStore = useUserStore()
+
+const activeTab = ref('account')
+const username = ref('')
+const password = ref('')
+const captcha = ref('')
+const captchaId = ref('')
+const captchaImg = ref('')
+const openCaptcha = ref(true)
+const isSubmitting = ref(false)
 const isConnecting = ref(false)
 const errorMessage = ref('')
 
+async function completeLogin(data: LoginResponseData | Record<string, unknown>) {
+  const { token, user } = parseLoginResponse(data)
+  userStore.setUser({ token, user })
+  await userStore.fetchUserInfo()
+  await userStore.fetchUsdcBalance()
+  await router.replace('/')
+}
+
+async function loadCaptcha() {
+  try {
+    const res = await getCaptcha()
+    if (res.code === 0 && res.data) {
+      captchaId.value = res.data.captchaId
+      captchaImg.value = res.data.picPath.startsWith('data:')
+        ? res.data.picPath
+        : `data:image/png;base64,${res.data.picPath}`
+      openCaptcha.value = res.data.openCaptcha
+    }
+  } catch {
+    errorMessage.value = t('login.captchaLoadFailed')
+  }
+}
+
+async function submitPasswordLogin() {
+  isSubmitting.value = true
+  errorMessage.value = ''
+  try {
+    if (!username.value.trim() || !password.value) {
+      errorMessage.value = t('login.credentialsRequired')
+      return
+    }
+    if (openCaptcha.value && !captcha.value.trim()) {
+      errorMessage.value = t('login.captchaRequired')
+      return
+    }
+    const res = await loginByPassword({
+      username: username.value.trim(),
+      password: password.value,
+      captcha: captcha.value.trim(),
+      captchaId: captchaId.value,
+    })
+    if (res.code === 0 && res.data) {
+      await completeLogin(res.data)
+      return
+    }
+    errorMessage.value = res.msg || t('login.loginFailed')
+    await loadCaptcha()
+    captcha.value = ''
+  } catch (error: unknown) {
+    errorMessage.value = error instanceof Error ? error.message : t('login.loginFailed')
+    await loadCaptcha()
+    captcha.value = ''
+  } finally {
+    isSubmitting.value = false
+  }
+}
+
 const connectWithWallet = async () => {
   isConnecting.value = true
   errorMessage.value = ''
@@ -85,7 +213,7 @@ const connectWithWallet = async () => {
       scheme,
       domain,
       address: signer.address,
-      statement: 'Sign in to Alpha Market',
+      statement: t('login.siweStatement'),
       uri: origin,
       version: '1',
       chainId: chainId,
@@ -99,7 +227,7 @@ const connectWithWallet = async () => {
       params: [message1, signer.address],
     })
 
-    const loginData = await post<{ code: number; data?: { token: string; user?: UserInfo } }>(
+    const loginData = await post<{ code: number; data?: Record<string, unknown>; msg?: string }>(
       '/base/walletLogin',
       {
         Message: message1,
@@ -110,19 +238,10 @@ const connectWithWallet = async () => {
     )
 
     if (loginData.code === 0 && loginData.data) {
-      const data = loginData.data as Record<string, unknown>
-      const token = data.token as string | undefined
-      const user =
-        (data.user as UserInfo | undefined) ??
-        (data.ID != null || data.id != null || data.userName != null
-          ? (data as unknown as UserInfo)
-          : undefined)
-      userStore.setUser({ token, user })
-      await userStore.fetchUserInfo()
-      await userStore.fetchUsdcBalance()
+      await completeLogin(loginData.data)
+      return
     }
-
-    router.push('/')
+    errorMessage.value = loginData.msg || t('login.connectFailed')
   } catch (error: unknown) {
     console.error('Error connecting to wallet:', error)
     const msg = error instanceof Error ? error.message : ''
@@ -137,6 +256,14 @@ const connectWithWallet = async () => {
     isConnecting.value = false
   }
 }
+
+onMounted(() => {
+  if (userStore.isLoggedIn) {
+    router.replace('/')
+    return
+  }
+  loadCaptcha()
+})
 </script>
 
 <style scoped>
@@ -167,19 +294,63 @@ const connectWithWallet = async () => {
   padding-top: 8px;
 }
 
+.login-tabs {
+  margin-bottom: 16px;
+}
+
+.login-window {
+  margin-top: 8px;
+}
+
 .login-desc {
   font-size: 0.95rem;
   color: #6b7280;
   text-align: center;
-  margin: 0 0 28px 0;
+  margin: 0 0 20px 0;
   line-height: 1.5;
 }
 
+.login-field {
+  margin-bottom: 4px;
+}
+
+.captcha-row {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  margin-bottom: 8px;
+}
+
+.captcha-input {
+  flex: 1;
+}
+
+.captcha-img-wrap {
+  flex-shrink: 0;
+  width: 120px;
+  height: 44px;
+  padding: 0;
+  border: 1px solid rgba(0, 0, 0, 0.12);
+  border-radius: 8px;
+  overflow: hidden;
+  background: #f3f4f6;
+  cursor: pointer;
+}
+
+.captcha-img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  display: block;
+}
+
+.submit-btn,
 .wallet-btn {
   height: 48px;
   font-weight: 600;
   text-transform: none;
   letter-spacing: 0.02em;
+  margin-top: 8px;
 }
 
 .error-message {

src/views/Register.vue

@@ -0,0 +1,285 @@
+<template>
+  <v-container class="register-container">
+    <v-row justify="center" align="center" class="register-row">
+      <v-col cols="12" sm="10" md="6" lg="4">
+        <v-card class="register-card" elevation="0" rounded="lg">
+          <v-card-title class="register-title">{{ t('register.title') }}</v-card-title>
+          <v-card-text class="register-body">
+            <p class="register-desc">{{ t('register.desc') }}</p>
+            <v-form @submit.prevent="submitRegister">
+              <v-text-field
+                v-model="userName"
+                :label="t('register.username')"
+                variant="outlined"
+                density="comfortable"
+                autocomplete="username"
+                class="register-field"
+              />
+              <v-text-field
+                v-model="nickName"
+                :label="t('register.nickName')"
+                variant="outlined"
+                density="comfortable"
+                class="register-field"
+              />
+              <v-text-field
+                v-model="passWord"
+                :label="t('register.password')"
+                type="password"
+                variant="outlined"
+                density="comfortable"
+                autocomplete="new-password"
+                class="register-field"
+              />
+              <v-text-field
+                v-model="confirmPassword"
+                :label="t('register.confirmPassword')"
+                type="password"
+                variant="outlined"
+                density="comfortable"
+                autocomplete="new-password"
+                class="register-field"
+              />
+              <div class="captcha-row">
+                <v-text-field
+                  v-model="captcha"
+                  :label="t('register.captcha')"
+                  variant="outlined"
+                  density="comfortable"
+                  class="captcha-input"
+                  inputmode="numeric"
+                />
+                <button
+                  type="button"
+                  class="captcha-img-wrap"
+                  :aria-label="t('register.refreshCaptcha')"
+                  @click="loadCaptcha"
+                >
+                  <img v-if="captchaImg" :src="captchaImg" alt="" class="captcha-img" />
+                </button>
+              </div>
+              <v-btn
+                type="submit"
+                color="success"
+                size="large"
+                block
+                rounded="lg"
+                class="submit-btn"
+                :loading="isSubmitting"
+                :disabled="isSubmitting"
+              >
+                {{ t('register.submitBtn') }}
+              </v-btn>
+            </v-form>
+
+            <div v-if="errorMessage" class="error-message">
+              {{ errorMessage }}
+            </div>
+
+            <div class="register-links">
+              <router-link to="/login">{{ t('register.signIn') }}</router-link>
+            </div>
+          </v-card-text>
+        </v-card>
+      </v-col>
+    </v-row>
+  </v-container>
+</template>
+
+<script setup lang="ts">
+import { onMounted, ref } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { useI18n } from 'vue-i18n'
+import { useUserStore } from '@/stores/user'
+import { getCaptcha, registerByPassword, parseLoginResponse } from '@/api/auth'
+
+const router = useRouter()
+const route = useRoute()
+const { t } = useI18n()
+const userStore = useUserStore()
+
+const userName = ref('')
+const nickName = ref('')
+const passWord = ref('')
+const confirmPassword = ref('')
+const captcha = ref('')
+const captchaId = ref('')
+const captchaImg = ref('')
+const promotionCode = ref('')
+const isSubmitting = ref(false)
+const errorMessage = ref('')
+
+async function loadCaptcha() {
+  try {
+    const res = await getCaptcha()
+    if (res.code === 0 && res.data) {
+      captchaId.value = res.data.captchaId
+      captchaImg.value = res.data.picPath.startsWith('data:')
+        ? res.data.picPath
+        : `data:image/png;base64,${res.data.picPath}`
+    }
+  } catch {
+    errorMessage.value = t('register.captchaLoadFailed')
+  }
+}
+
+async function submitRegister() {
+  isSubmitting.value = true
+  errorMessage.value = ''
+  try {
+    if (!userName.value.trim() || !passWord.value) {
+      errorMessage.value = t('register.credentialsRequired')
+      return
+    }
+    if (passWord.value !== confirmPassword.value) {
+      errorMessage.value = t('register.passwordMismatch')
+      return
+    }
+    if (!captcha.value.trim()) {
+      errorMessage.value = t('register.captchaRequired')
+      return
+    }
+    const res = await registerByPassword({
+      userName: userName.value.trim(),
+      passWord: passWord.value,
+      nickName: nickName.value.trim() || undefined,
+      captcha: captcha.value.trim(),
+      captchaId: captchaId.value,
+      promotionCode: promotionCode.value.trim() || undefined,
+    })
+    if (res.code === 0 && res.data) {
+      const { token, user } = parseLoginResponse(res.data)
+      userStore.setUser({ token, user })
+      await userStore.fetchUserInfo()
+      await userStore.fetchUsdcBalance()
+      await router.replace('/')
+      return
+    }
+    errorMessage.value = res.msg || t('register.failed')
+    await loadCaptcha()
+    captcha.value = ''
+  } catch (error: unknown) {
+    errorMessage.value = error instanceof Error ? error.message : t('register.failed')
+    await loadCaptcha()
+    captcha.value = ''
+  } finally {
+    isSubmitting.value = false
+  }
+}
+
+onMounted(() => {
+  if (userStore.isLoggedIn) {
+    router.replace('/')
+    return
+  }
+  const refCode = route.query.ref
+  if (typeof refCode === 'string' && refCode.trim()) {
+    promotionCode.value = refCode.trim()
+  }
+  loadCaptcha()
+})
+</script>
+
+<style scoped>
+.register-container {
+  padding: 40px 20px;
+  min-height: 100vh;
+}
+
+.register-row {
+  min-height: calc(100vh - 80px);
+}
+
+.register-card {
+  border-radius: 16px;
+  padding: 40px 32px;
+  border: 1px solid rgba(0, 0, 0, 0.08);
+}
+
+.register-title {
+  font-size: 1.5rem;
+  font-weight: 600;
+  color: #111827;
+  margin-bottom: 8px;
+  text-align: center;
+}
+
+.register-body {
+  padding-top: 8px;
+}
+
+.register-desc {
+  font-size: 0.95rem;
+  color: #6b7280;
+  text-align: center;
+  margin: 0 0 20px 0;
+  line-height: 1.5;
+}
+
+.register-field {
+  margin-bottom: 4px;
+}
+
+.captcha-row {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  margin-bottom: 8px;
+}
+
+.captcha-input {
+  flex: 1;
+}
+
+.captcha-img-wrap {
+  flex-shrink: 0;
+  width: 120px;
+  height: 44px;
+  padding: 0;
+  border: 1px solid rgba(0, 0, 0, 0.12);
+  border-radius: 8px;
+  overflow: hidden;
+  background: #f3f4f6;
+  cursor: pointer;
+}
+
+.captcha-img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  display: block;
+}
+
+.submit-btn {
+  height: 48px;
+  font-weight: 600;
+  text-transform: none;
+  letter-spacing: 0.02em;
+  margin-top: 8px;
+}
+
+.error-message {
+  margin-top: 20px;
+  padding: 12px;
+  color: #dc2626;
+  background: #fef2f2;
+  border-radius: 8px;
+  text-align: center;
+  font-size: 0.875rem;
+}
+
+.register-links {
+  margin-top: 24px;
+  text-align: center;
+}
+
+.register-links a {
+  color: #2563eb;
+  text-decoration: none;
+  font-size: 0.9rem;
+}
+
+.register-links a:hover {
+  text-decoration: underline;
+}
+</style>