diff --git a/assets/pasted-20260208-123344-c6190c96.png b/assets/pasted-20260208-123344-c6190c96.png
new file mode 100644
index 0000000..b36e5d6
Binary files /dev/null and b/assets/pasted-20260208-123344-c6190c96.png differ
diff --git a/includes/header.php b/includes/header.php
index dd64021..466b6f7 100644
--- a/includes/header.php
+++ b/includes/header.php
@@ -1,6 +1,8 @@
 <?php
 require_once __DIR__ . '/../db/config.php';
-session_start();
+if (session_status() === PHP_SESSION_NONE) {
+    session_start();
+}
 
 // Fetch site settings
 try {
@@ -100,10 +102,8 @@ $mobile_accent = $settings['mobile_accent_color'] ?? '#ff9900';
                         0
                     </span>
                 </a>
-                <?php if (isset($_SESSION['admin_logged_in'])): ?>
+                <?php if (isset($_SESSION['user_id']) && $_SESSION['role'] === 'admin'): ?>
                     <a href="admin/index.php" class="btn btn-sm btn-outline-dark">后台管理</a>
-                <?php else: ?>
-                    <a href="login.php" class="btn btn-sm btn-outline-dark">登录</a>
                 <?php endif; ?>
             </div>
         </div>
diff --git a/login.php b/login.php
index 66ac155..8f3f7be 100644
--- a/login.php
+++ b/login.php
@@ -18,6 +18,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
         $_SESSION['role'] = $user['role'];
         
         if ($user['role'] === 'admin') {
+            $_SESSION['admin_logged_in'] = true;
             header("Location: admin/index.php");
         } else {
             header("Location: index.php");
@@ -59,19 +60,11 @@ require_once 'includes/header.php';
                             <input type="password" name="password" class="form-control bg-black bg-opacity-50 border-secondary border-opacity-50 text-white p-3 rounded-3" placeholder="输入密码" required>
                         </div>
                         <button type="submit" class="btn btn-primary btn-lg w-100 py-3 rounded-3 shadow mb-4">立即登录</button>
-                        <div class="text-center">
-                            <span class="text-muted small">还没有账号? <a href="register.php" class="text-primary text-decoration-none">立即注册</a></span>
-                        </div>
                     </form>
                 </div>
-                <div class="text-center mt-4">
-                    <div class="alert alert-info bg-info bg-opacity-10 border-0 text-info rounded-4 small py-2">
-                        <i class="bi bi-info-circle me-1"></i> 测试账号: admin / admin123
-                    </div>
-                </div>
             </div>
         </div>
     </div>
 </main>
 
-<?php require_once 'includes/footer.php'; ?>
+<?php require_once 'includes/footer.php'; ?>
\ No newline at end of file
diff --git a/register.php b/register.php
index a71ad56..c0c0953 100644
--- a/register.php
+++ b/register.php
@@ -1,82 +1,4 @@
 <?php
-require_once 'db/config.php';
-session_start();
-$db = db();
-
-$error = '';
-$success = '';
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
-    $username = $_POST['username'];
-    $password = $_POST['password'];
-    $confirm = $_POST['confirm_password'];
-    $email = $_POST['email'];
-    
-    if ($password !== $confirm) {
-        $error = '两次输入的密码不一致';
-    } else {
-        $hashed = password_hash($password, PASSWORD_DEFAULT);
-        try {
-            $stmt = $db->prepare("INSERT INTO users (username, password, email, role) VALUES (?, ?, ?, 'user')");
-            $stmt->execute([$username, $hashed, $email]);
-            $success = '注册成功，请登录';
-        } catch (PDOException $e) {
-            $error = '用户名或邮箱已存在';
-        }
-    }
-}
-
-$page_title = '注册 - 豪软世界';
-require_once 'includes/header.php';
-?>
-
-<main class="py-5">
-    <div class="container">
-        <div class="row justify-content-center">
-            <div class="col-md-5">
-                <div class="bg-dark bg-opacity-50 rounded-5 border border-secondary border-opacity-25 p-5 shadow-lg">
-                    <div class="text-center mb-5">
-                        <h2 class="text-white fw-bold">加入我们</h2>
-                        <p class="text-muted">开启您的软件选购之旅</p>
-                    </div>
-
-                    <?php if ($error): ?>
-                    <div class="alert alert-danger bg-danger bg-opacity-10 border-0 text-danger rounded-4 small">
-                        <?php echo $error; ?>
-                    </div>
-                    <?php endif; ?>
-
-                    <?php if ($success): ?>
-                    <div class="alert alert-success bg-success bg-opacity-10 border-0 text-success rounded-4 small">
-                        <?php echo $success; ?>
-                    </div>
-                    <?php endif; ?>
-
-                    <form method="POST">
-                        <div class="mb-4">
-                            <label class="form-label text-white small fw-bold">用户名</label>
-                            <input type="text" name="username" class="form-control bg-black bg-opacity-50 border-secondary border-opacity-50 text-white p-3 rounded-3" required>
-                        </div>
-                        <div class="mb-4">
-                            <label class="form-label text-white small fw-bold">电子邮箱</label>
-                            <input type="email" name="email" class="form-control bg-black bg-opacity-50 border-secondary border-opacity-50 text-white p-3 rounded-3" required>
-                        </div>
-                        <div class="mb-4">
-                            <label class="form-label text-white small fw-bold">设置密码</label>
-                            <input type="password" name="password" class="form-control bg-black bg-opacity-50 border-secondary border-opacity-50 text-white p-3 rounded-3" required>
-                        </div>
-                        <div class="mb-5">
-                            <label class="form-label text-white small fw-bold">确认密码</label>
-                            <input type="password" name="confirm_password" class="form-control bg-black bg-opacity-50 border-secondary border-opacity-50 text-white p-3 rounded-3" required>
-                        </div>
-                        <button type="submit" class="btn btn-primary btn-lg w-100 py-3 rounded-3 shadow mb-4">立即注册</button>
-                        <div class="text-center">
-                            <span class="text-muted small">已有账号? <a href="login.php" class="text-primary text-decoration-none">立即登录</a></span>
-                        </div>
-                    </form>
-                </div>
-            </div>
-        </div>
-    </div>
-</main>
-
-<?php require_once 'includes/footer.php'; ?>
+header("Location: index.php");
+exit;
+?>
\ No newline at end of file