fix: 移除验证码功能（暂时隐藏）

- 移除验证码输入框和发送验证码按钮
- 移除验证码验证逻辑
- 保留手机号格式验证（11位中国手机号）
- 保留手机号唯一性检查
- 注册字段：用户名、手机号(必填)、邮箱(可选)、密码

www/app.js

@@ -1391,7 +1391,7 @@ function renderProfilePage() {
         </div>
         
         <div class="profile-footer">
-          <p>AI助手 v3.4.0</p>
+          <p>AI助手 v3.4.1</p>
           <p>基于智谱 GLM-4.5-Air</p>
         </div>
       </div>
@@ -1562,14 +1562,7 @@ function showRegisterPage() {
           </div>
           <div class="auth-input-group">
             <label>手机号 <span class="required">*</span></label>
-            <div class="phone-input-wrapper">
-              <input type="tel" id="registerPhone" placeholder="请输入手机号" maxlength="11" autocomplete="tel">
-              <button class="send-code-btn" id="sendCodeBtn">获取验证码</button>
-            </div>
-          </div>
-          <div class="auth-input-group">
-            <label>验证码 <span class="required">*</span></label>
-            <input type="text" id="registerCode" placeholder="请输入验证码" maxlength="6" autocomplete="one-time-code">
+            <input type="tel" id="registerPhone" placeholder="请输入手机号" maxlength="11" autocomplete="tel">
           </div>
           <div class="auth-input-group">
             <label>邮箱 <span class="optional">(可选)</span></label>
@@ -1615,12 +1608,6 @@ function showRegisterPage() {
     });
   }
   
-  // 发送验证码按钮
-  const sendCodeBtn = document.getElementById('sendCodeBtn');
-  if (sendCodeBtn) {
-    sendCodeBtn.addEventListener('click', handleSendCode);
-  }
-  
   // 回车注册
   document.getElementById('registerPasswordConfirm')?.addEventListener('keydown', (e) => {
     if (e.key === 'Enter') handleRegister();
@@ -1635,57 +1622,6 @@ function showRegisterPage() {
   }
 }
 
-// 验证码状态
-let verifyCode = null;
-let verifyCodePhone = null;
-let verifyCodeExpire = null;
-
-// 发送验证码（模拟）
-function handleSendCode() {
-  const phoneInput = document.getElementById('registerPhone');
-  const phone = phoneInput?.value.trim();
-  const sendCodeBtn = document.getElementById('sendCodeBtn');
-  
-  // 验证手机号格式
-  if (!validatePhone(phone)) {
-    showToast('请输入正确的手机号');
-    return;
-  }
-  
-  // 检查手机号是否已注册
-  const users = JSON.parse(localStorage.getItem('registeredUsers') || '[]');
-  if (users.find(u => u.phone === phone)) {
-    showToast('该手机号已注册');
-    return;
-  }
-  
-  // 生成6位验证码
-  const code = Math.floor(100000 + Math.random() * 900000).toString();
-  verifyCode = code;
-  verifyCodePhone = phone;
-  verifyCodeExpire = Date.now() + 5 * 60 * 1000;  // 5分钟有效期
-  
-  // 显示验证码（模拟，实际应发送短信）
-  console.log('验证码:', code);  // 调试用
-  showToast(`验证码已发送：${code}`);  // 实际项目中应隐藏
-  
-  // 禁用按钮60秒
-  if (sendCodeBtn) {
-    sendCodeBtn.disabled = true;
-    let countdown = 60;
-    const timer = setInterval(() => {
-      countdown--;
-      if (countdown > 0) {
-        sendCodeBtn.textContent = `${countdown}s`;
-      } else {
-        clearInterval(timer);
-        sendCodeBtn.disabled = false;
-        sendCodeBtn.textContent = '获取验证码';
-      }
-    }, 1000);
-  }
-}
-
 // 验证手机号格式
 function validatePhone(phone) {
   // 中国手机号：11位，以1开头
@@ -1703,7 +1639,6 @@ function validateEmail(email) {
 function handleRegister() {
   const username = document.getElementById('registerUsername')?.value.trim();
   const phone = document.getElementById('registerPhone')?.value.trim();
-  const code = document.getElementById('registerCode')?.value.trim();
   const email = document.getElementById('registerEmail')?.value.trim();
   const password = document.getElementById('registerPassword')?.value;
   const passwordConfirm = document.getElementById('registerPasswordConfirm')?.value;
@@ -1720,27 +1655,6 @@ function handleRegister() {
     return;
   }
   
-  // 验证验证码
-  if (!code) {
-    showToast('请输入验证码');
-    return;
-  }
-  
-  if (!verifyCode || verifyCodePhone !== phone) {
-    showToast('请先获取验证码');
-    return;
-  }
-  
-  if (code !== verifyCode) {
-    showToast('验证码错误');
-    return;
-  }
-  
-  if (Date.now() > verifyCodeExpire) {
-    showToast('验证码已过期，请重新获取');
-    return;
-  }
-  
   // 验证邮箱（可选）
   if (!validateEmail(email)) {
     showToast('请输入正确的邮箱格式');
@@ -1783,11 +1697,6 @@ function handleRegister() {
   users.push(newUser);
   localStorage.setItem('registeredUsers', JSON.stringify(users));
   
-  // 清除验证码
-  verifyCode = null;
-  verifyCodePhone = null;
-  verifyCodeExpire = null;
-  
   // 自动登录
   currentUser = { username: newUser.username, phone: newUser.phone, registeredAt: newUser.registeredAt };
   saveCurrentUser();

www/index.html

@@ -8,12 +8,12 @@
   <meta http-equiv="Pragma" content="no-cache">
   <meta http-equiv="Expires" content="0">
   <title>AI助手</title>
-  <link rel="stylesheet" href="style.css?v=3.4.0">
+  <link rel="stylesheet" href="style.css?v=3.4.1">
   <link rel="manifest" href="manifest.json">
 </head>
 <body>
   <div id="app"></div>
-  <script src="marked.min.js?v=3.4.0"></script>
-  <script src="app.js?v=3.4.0"></script>
+  <script src="marked.min.js?v=3.4.1"></script>
+  <script src="app.js?v=3.4.1"></script>
 </body>
 </html>