fix: 隐藏注册页面验证码功能（暂时跳过验证）

www/app.js

@@ -2499,15 +2499,6 @@ function showRegisterPage() {
             <label>手机号 <span class="required">*</span></label>
             <input type="tel" id="registerPhone" placeholder="请输入手机号" maxlength="11" autocomplete="tel">
           </div>
-          <div class="auth-input-group" style="display: flex; gap: 8px;">
-            <div style="flex: 1;">
-              <label>验证码 <span class="required">*</span></label>
-              <input type="text" id="registerCode" placeholder="请输入验证码" maxlength="6">
-            </div>
-            <div style="flex-shrink: 0; align-self: flex-end;">
-              <button class="send-code-btn" id="getCodeBtn">获取验证码</button>
-            </div>
-          </div>
           <div class="auth-input-group">
             <label>邮箱 <span class="optional">(可选)</span></label>
             <input type="email" id="registerEmail" placeholder="请输入邮箱（可选）" autocomplete="email">
@@ -2552,12 +2543,6 @@ function showRegisterPage() {
     });
   }
   
-  // 获取验证码按钮
-  const getCodeBtn = document.getElementById('getCodeBtn');
-  if (getCodeBtn) {
-    getCodeBtn.addEventListener('click', handleGetCode);
-  }
-  
   // 回车注册
   document.getElementById('registerPasswordConfirm')?.addEventListener('keydown', (e) => {
     if (e.key === 'Enter') handleRegister();
@@ -2570,50 +2555,6 @@ function showRegisterPage() {
       e.target.value = e.target.value.replace(/\D/g, '');
     });
   }
-  
-  // 验证码输入限制（只允许数字）
-  const codeInput = document.getElementById('registerCode');
-  if (codeInput) {
-    codeInput.addEventListener('input', (e) => {
-      e.target.value = e.target.value.replace(/\D/g, '');
-    });
-  }
-}
-
-// 获取验证码（模拟）
-let verifyCode = '';
-let codeExpireTime = 0;
-
-function handleGetCode() {
-  const phone = document.getElementById('registerPhone')?.value.trim();
-  
-  if (!validatePhone(phone)) {
-    showToast('请先输入正确的手机号');
-    return;
-  }
-  
-  // 生成6位随机验证码
-  verifyCode = Math.floor(100000 + Math.random() * 900000).toString();
-  codeExpireTime = Date.now() + 5 * 60 * 1000;  // 5分钟有效
-  
-  // 模拟发送（实际项目中应调用短信API）
-  showToast(`验证码已发送: ${verifyCode}（演示）`);
-  
-  // 60秒倒计时
-  const getCodeBtn = document.getElementById('getCodeBtn');
-  if (getCodeBtn) {
-    getCodeBtn.disabled = true;
-    let countdown = 60;
-    const timer = setInterval(() => {
-      getCodeBtn.textContent = `${countdown}s`;
-      countdown--;
-      if (countdown <= 0) {
-        clearInterval(timer);
-        getCodeBtn.disabled = false;
-        getCodeBtn.textContent = '获取验证码';
-      }
-    }, 1000);
-  }
 }
 
 // 验证手机号格式
@@ -2634,7 +2575,6 @@ function handleRegister() {
   const username = document.getElementById('registerUsername')?.value.trim();
   const phone = document.getElementById('registerPhone')?.value.trim();
   const email = document.getElementById('registerEmail')?.value.trim();
-  const code = document.getElementById('registerCode')?.value.trim();
   const password = document.getElementById('registerPassword')?.value;
   const passwordConfirm = document.getElementById('registerPasswordConfirm')?.value;
   
@@ -2650,18 +2590,6 @@ function handleRegister() {
     return;
   }
   
-  // 验证验证码
-  if (!code || code.length !== 6) {
-    showToast('请输入6位验证码');
-    return;
-  }
-  
-  // 检查验证码是否正确（模拟）
-  if (code !== verifyCode || Date.now() > codeExpireTime) {
-    showToast('验证码不正确或已过期');
-    return;
-  }
-  
   // 验证邮箱（可选）
   if (email && !validateEmail(email)) {
     showToast('请输入正确的邮箱格式');
@@ -2679,7 +2607,9 @@ function handleRegister() {
     return;
   }
   
-  // 调用后台注册API
+  // 调用后台注册API（验证码暂时跳过，传随机值）
+  const code = Math.floor(100000 + Math.random() * 900000).toString();
+  
   fetch('/api/register', {
     method: 'POST',
     headers: { 'Content-Type': 'application/json' },