diff --git a/admin/addapp.php b/admin/addapp.php
index 4a0e719..e0e4799 100644
--- a/admin/addapp.php
+++ b/admin/addapp.php
@@ -87,10 +87,10 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_app'])) {
             }
         }
 
-        header('Location: index.php?success=App 添加成功');
+        echo '<script>Swal.fire("成功", "App 添加成功", "success").then(() => { window.location.href = "index.php"; });</script>';
         exit;
     } else {
-        $error = 'App 添加失败: '. $conn->error;
+        echo '<script>Swal.fire("错误", "App 添加失败: '. $conn->error .'", "error");</script>';
     }
 }
 }
diff --git a/admin/announcements.php b/admin/announcements.php
index d394f30..477cce2 100644
--- a/admin/announcements.php
+++ b/admin/announcements.php
@@ -17,14 +17,14 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
         $stmt = $conn->prepare('INSERT INTO announcements (title, content, admin_id) VALUES (?, ?, ?)');
         $stmt->bind_param('ssi', $title, $content, $admin_id);
         if ($stmt->execute()) {
-            header('Location: announcements.php?success=公告发布成功');
+            echo '<script>Swal.fire("成功", "公告发布成功", "success").then(() => { window.location.reload(); });</script>';
             exit;
         } else {
-            $error = '公告发布失败: ' . $conn->error;
+            echo '<script>Swal.fire("错误", "公告发布失败: ' . $conn->error . '", "error");</script>';
         }
         $stmt->close();
     } else {
-        $error = '标题和内容不能为空';
+        echo '<script>Swal.fire("错误", "标题和内容不能为空", "error");</script>';
     }
 }
 
diff --git a/admin/deleteapp.php b/admin/deleteapp.php
index 9d05f8b..c26594c 100644
--- a/admin/deleteapp.php
+++ b/admin/deleteapp.php
@@ -10,7 +10,7 @@ if (!isset($_SESSION['admin'])) {
 
 // 验证App ID
 if (!isset($_GET['id']) || !is_numeric($_GET['id'])) {
-    header('Location: index.php?error=无效的App ID');
+    echo '<script>Swal.fire("错误", "无效的App ID", "error").then(() => { window.location.href = "index.php"; });</script>';
     exit;
 }
 $appId = $_GET['id'];
@@ -33,9 +33,9 @@ if ($stmt->execute() === TRUE) {
     $verStmt->bind_param("i", $appId);
     $verStmt->execute();
 
-    header('Location: index.php?success=App 删除成功');
+    echo '<script>Swal.fire("成功", "App 删除成功", "success").then(() => { window.location.href = "index.php"; });</script>';
 } else {
-    header('Location: index.php?error=App 删除失败: '. $conn->error);
+    echo '<script>Swal.fire("错误", "App 删除失败: '. $conn->error .'", "error").then(() => { window.location.href = "index.php"; });</script>';
 }
 exit;
 ?>
\ No newline at end of file
diff --git a/admin/editapp.php b/admin/editapp.php
index cced6d7..f85b817 100644
--- a/admin/editapp.php
+++ b/admin/editapp.php
@@ -10,7 +10,7 @@ if (!isset($_SESSION['admin'])) {
 
 // 验证App ID
 if (!isset($_GET['id']) || !is_numeric($_GET['id'])) {
-    header('Location: index.php?error=无效的App ID');
+    echo '<script>Swal.fire("错误", "无效的App ID", "error").then(() => { window.location.href = "index.php"; });</script>';
     exit;
 }
 $appId = $_GET['id'];
@@ -23,7 +23,7 @@ $stmt->bind_param("i", $appId);
 $stmt->execute();
 $result = $stmt->get_result();
 if ($result->num_rows === 0) {
-    header('Location: index.php?error=App不存在');
+    echo '<script>Swal.fire("错误", "App不存在", "error").then(() => { window.location.href = "index.php"; });</script>';
     exit;
 }
 $app = $result->fetch_assoc();
@@ -99,11 +99,17 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['edit_app'])) {
                 $stmt->close();
             }
 
-            header('Location: index.php?success=App 更新成功');
-            exit;
-        } else {
-            $error = 'App 更新失败: '. $conn->error;
-        }
+            $updateAppSql = "UPDATE apps SET name = ?, description = ?, age_rating = ?, platforms = ? WHERE id = ?";
+            $updateStmt = $conn->prepare($updateAppSql);
+            $updateStmt->bind_param("ssssi", $name, $description, $ageRating, $newPlatforms, $appId);
+            if ($updateStmt->execute() === TRUE) {
+                echo '<script>Swal.fire("成功", "App 更新成功", "success").then(() => { window.location.href = "index.php"; });</script>';
+                exit;
+            } else {
+                echo '<script>Swal.fire("错误", "App 更新失败: '. $conn->error .'", "error");</script>';
+            }
+            $updateStmt->close();
+    }
 }
 ?>
 <!DOCTYPE html>
@@ -391,5 +397,4 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['edit_app'])) {
 $stmt = $conn->prepare("UPDATE apps SET name=?, description=?, age_rating=?, age_rating_description=?, platforms=?, updated_at=NOW() WHERE id=?");
 $stmt->bind_param("sssssi", $name, $description, $age_rating, $_POST['age_rating_description'], $platformsJson, $appId);
 
-// ... existing code ...
 ?>
\ No newline at end of file
diff --git a/admin/index.php b/admin/index.php
index 12ac45a..285a487 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -30,7 +30,7 @@ $resultApps = $conn->query($sqlApps);
 
 if (!$resultApps) {
     error_log("Database query failed: " . $conn->error);
-    echo '<div class="alert alert-danger">获取App列表失败，请联系管理员。</div>';
+    echo '<script>Swal.fire("错误", "获取App列表失败，请联系管理员。", "error");</script>';
 } else {
 ?>
 <!DOCTYPE html>
@@ -59,6 +59,7 @@ if (!$resultApps) {
     <link href="../css/bootstrap.min.css" rel="stylesheet">
     <!-- 自定义CSS -->
     <link rel="stylesheet" href="../styles.css">
+    <script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
     <!-- Fluent Design 模糊效果 -->
     <style>
         .blur-bg {
@@ -104,13 +105,22 @@ if (!$resultApps) {
     </nav>
 
     <div class="container mt-4">
+        <script>
         <?php if (isset($_GET['success'])): ?>
-            <div class="alert alert-success"><?php echo $_GET['success']; ?></div>
+            Swal.fire({
+                icon: "success",
+                title: "成功",
+                text: "<?php echo addslashes($_GET['success']); ?>",
+            });
         <?php endif; ?>
         <?php if (isset($_GET['error'])): ?>
-            <div class="alert alert-danger"><?php echo $_GET['error']; ?></div>
+            Swal.fire({
+                icon: "error",
+                title: "错误",
+                text: "<?php echo addslashes($_GET['error']); ?>",
+            });
         <?php endif; ?>
-    
+        </script>
         <h2>App列表</h2>
         <div class="mb-3">
             <a href="manage_tags.php" class="btn btn-info">标签管理</a>
@@ -135,7 +145,19 @@ if (!$resultApps) {
                         <td>
                             <a href="editapp.php?id=<?php echo $app['id']; ?>" class="btn btn-sm btn-outline-primary">编辑</a>
                             <a href="manage_versions.php?app_id=<?php echo $app['id']; ?>" class="btn btn-sm btn-outline-secondary">版本管理</a>
-                            <a href="deleteapp.php?id=<?php echo $app['id']; ?>" class="btn btn-sm btn-outline-danger" onclick="return confirm('确定要删除吗?');">删除</a>
+                            <a href="deleteapp.php?id=<?php echo $app['id']; ?>" class="btn btn-sm btn-outline-danger" onclick="event.preventDefault(); Swal.fire({
+                                title: '确定要删除吗?',
+                                text: '删除后将无法恢复!',
+                                icon: 'warning',
+                                showCancelButton: true,
+                                confirmButtonColor: '#d33',
+                                cancelButtonColor: '#3085d6',
+                                confirmButtonText: '确定删除'
+                            }).then((result) => {
+                                if (result.isConfirmed) {
+                                    window.location.href = this.href;
+                                }
+                            });">删除</a>
                         </td>
                     </tr>
                 <?php endwhile; ?>
diff --git a/admin/login.php b/admin/login.php
index 0d0641b..71a9dd3 100644
--- a/admin/login.php
+++ b/admin/login.php
@@ -4,37 +4,8 @@ require_once '../config.php';
 // 检查管理员登录状态
 session_start();
 
-// 顶栏样式
-echo '<style>
-.navbar.scrolled {
-    background-color: rgba(255, 255, 255, 0.95) !important;
-    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
-}
-</style>';
-
-// 导航栏
-echo '<nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
-    <div class="container">
-        <a class="navbar-brand" href="../index.php">'. APP_STORE_NAME . '</a>
-        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-        </button>
-        <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-                <li class="nav-item">
-                    <a class="nav-link" href="../index.php">首页</a>
-                </li>
-                <li class="nav-item">
-                    <a class="nav-link" href="index.php">管理后台</a>
-                </li>
-            </ul>
-        </div>
-    </div>
-</nav>';
-
-// 为内容添加顶部内边距
-echo '<div style="padding-top: 70px;">';
 if (!isset($_SESSION['admin'])) {
+    $error = '';
     if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['username']) && isset($_POST['password'])) {
         $username = $_POST['username'];
         $password = $_POST['password'];
@@ -50,62 +21,89 @@ if (!isset($_SESSION['admin'])) {
             $error = '用户名或密码错误';
         }
     }
-
-    // 显示登录表单
-    echo '<!DOCTYPE html>';
-    echo '<html lang="zh-CN">';
-    echo '<head>';
-    echo '    <meta charset="UTF-8">';
-    echo '    <meta name="viewport" content="width=device-width, initial-scale=1.0">';
-    echo '    <title>管理员登录 - '. APP_STORE_NAME . '</title>';
-    echo '    <!-- Bootstrap CSS -->';
-    echo '    <link href="../css/bootstrap.min.css" rel="stylesheet">';
-    echo '    <!-- 自定义CSS -->';
-    echo '    <link rel="stylesheet" href="../styles.css">';
-    echo '    <!-- Fluent Design 模糊效果 -->';
-    echo '    <style>';
-    echo '        .blur-bg {';
-    echo '            backdrop-filter: blur(10px);';
-    echo '            background-color: rgba(255, 255, 255, 0.5);';
-    echo '        }';
-    echo '    </style>';
-    echo '</head>';
-    echo '<body>';
-    echo '    <div class="container mt-5">';
-    echo '        <div class="row justify-content-center">';
-    echo '            <div class="col-md-6">';
-    echo '                <div class="card blur-bg">';
-    echo '                    <div class="card-header">管理员登录</div>';
-    echo '                    <div class="card-body">';
-    if (isset($error)) {
-        echo '<script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>';
-        echo '<script>
-            Swal.fire({
-                icon: "error",
-                title: "错误",
-                text: "'. addslashes($error) . '",
-            });
-        </script>';
-    }
-    echo '                        <form method="post">';
-    echo '                            <div class="mb-3">';
-    echo '                                <label for="username" class="form-label">用户名</label>';
-    echo '                                <input type="text" class="form-control" id="username" name="username" required>';
-    echo '                            </div>';
-    echo '                            <div class="mb-3">';
-    echo '                                <label for="password" class="form-label">密码</label>';
-    echo '                                <input type="password" class="form-control" id="password" name="password" required>';
-    echo '                            </div>';
-    echo '                            <button type="submit" class="btn btn-primary">登录</button>';
-    echo '                        </form>';
-    echo '                    </div>';
-    echo '                </div>';
-    echo '            </div>';
-    echo '        </div>';
-    echo '    </div>';
-    echo '    <!-- Bootstrap JS Bundle with Popper -->';
-    echo '    <script src="/js/bootstrap.bundle.js"></script>';
-    echo '</body>';
-    echo '</html>';
+?>
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>管理员登录 - <?php echo APP_STORE_NAME; ?></title>
+    <!-- Bootstrap CSS -->
+    <link href="../css/bootstrap.min.css" rel="stylesheet">
+    <!-- 自定义CSS -->
+    <link rel="stylesheet" href="../styles.css">
+    <!-- 顶栏样式 -->
+    <style>
+        .navbar.scrolled {
+            background-color: rgba(255, 255, 255, 0.95) !important;
+            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+        }
+        .blur-bg {
+            backdrop-filter: blur(10px);
+            background-color: rgba(255, 255, 255, 0.5);
+        }
+    </style>
+    <script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
+</head>
+<body>
+    <!-- 导航栏 -->
+    <nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
+        <div class="container">
+            <a class="navbar-brand" href="../index.php"><?php echo APP_STORE_NAME; ?></a>
+            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+                <span class="navbar-toggler-icon"></span>
+            </button>
+            <div class="collapse navbar-collapse" id="navbarNav">
+                <ul class="navbar-nav">
+                    <li class="nav-item">
+                        <a class="nav-link" href="../index.php">首页</a>
+                    </li>
+                    <li class="nav-item">
+                        <a class="nav-link" href="index.php">管理后台</a>
+                    </li>
+                </ul>
+            </div>
+        </div>
+    </nav>
+    
+    <!-- 为内容添加顶部内边距 -->
+    <div style="padding-top: 70px;">
+        <div class="container mt-5">
+            <div class="row justify-content-center">
+                <div class="col-md-6">
+                    <div class="card blur-bg">
+                        <div class="card-header">管理员登录</div>
+                        <div class="card-body">
+                            <?php if (isset($error)): ?>
+                                <script>
+                                    Swal.fire({
+                                        icon: "error",
+                                        title: "错误",
+                                        text: "<?php echo addslashes($error); ?>",
+                                    });
+                                </script>
+                            <?php endif; ?>
+                            <form method="post">
+                                <div class="mb-3">
+                                    <label for="username" class="form-label">用户名</label>
+                                    <input type="text" class="form-control" id="username" name="username" required>
+                                </div>
+                                <div class="mb-3">
+                                    <label for="password" class="form-label">密码</label>
+                                    <input type="password" class="form-control" id="password" name="password" required>
+                                </div>
+                                <button type="submit" class="btn btn-primary">登录</button>
+                            </form>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+    <!-- Bootstrap JS Bundle with Popper -->
+    <script src="/js/bootstrap.bundle.js"></script>
+</body>
+</html>
+<?php
     exit;
 }
\ No newline at end of file
diff --git a/admin/system_info.php b/admin/system_info.php
index a880739..6d5bcd2 100644
--- a/admin/system_info.php
+++ b/admin/system_info.php
@@ -1,24 +1,70 @@
 <?php
-session_start();
-require_once '../config.php';
+    session_start();
+    require_once '../config.php';
 
-// 删除文件
-function delete_file($file_path) {
-    if (file_exists($file_path)) {
-        return unlink($file_path);
+    // 删除文件
+    function delete_file($file_path) {
+        if (file_exists($file_path)) {
+            return unlink($file_path);
+        }
+        return false;
     }
-    return false;
-}
 
-// 处理删除请求
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
-    $upload_dirs = [
-        '../uploads/apps',
-        '../uploads/images'
-    ];
-    
-    // 全量删除
-    if (isset($_POST['delete_all'])) {
+    // 处理删除请求
+    if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+        $upload_dirs = [
+            '../uploads/apps',
+            '../uploads/images'
+        ];
+
+        // 全量删除
+        if (isset($_POST['delete_all'])) {
+            foreach ($upload_dirs as $dir) {
+                if (is_dir($dir)) {
+                    $files = scandir($dir);
+                    foreach ($files as $file) {
+                        if ($file !== '.' && $file !== '..') {
+                            $file_path = $dir . '/' . $file;
+                            if (is_file($file_path)) {
+                                delete_file($file_path);
+                            }
+                        }
+                    }
+                }
+            }
+            header('Location: ' . $_SERVER['PHP_SELF']);
+            exit;
+        }
+
+        // 单个删除
+        if (isset($_POST['delete_files'])) {
+            foreach ($_POST['delete_files'] as $file_info) {
+                list($type, $filename) = explode('|', $file_info);
+                $dir = $type === '图片' ? '../uploads/images' : '../uploads/apps';
+                $file_path = $dir . '/' . $filename;
+                delete_file($file_path);
+            }
+            header('Location: ' . $_SERVER['PHP_SELF']);
+            exit;
+        }
+    }
+
+    // 验证管理员权限
+    if (!isset($_SESSION['admin'])) {
+        header('Location: login.php');
+        exit;
+    }
+
+    // 获取上传文件和图片信息
+    function get_uploaded_files_info() {
+        $uploaded_files = [];
+
+        // 上传目录配置
+        $upload_dirs = [
+            '../uploads/apps',
+            '../uploads/images'
+        ];
+
         foreach ($upload_dirs as $dir) {
             if (is_dir($dir)) {
                 $files = scandir($dir);
@@ -26,68 +72,22 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                     if ($file !== '.' && $file !== '..') {
                         $file_path = $dir . '/' . $file;
                         if (is_file($file_path)) {
-                            delete_file($file_path);
+                            $file_size = filesize($file_path);
+                            $uploaded_files[] = [
+                                'name' => $file,
+                                'size' => $file_size,
+                                'type' => strpos($dir, 'images') !== false ? '图片' : '文件'
+                            ];
                         }
                     }
                 }
             }
         }
-        header('Location: ' . $_SERVER['PHP_SELF']);
-        exit;
-    }
-    
-    // 单个删除
-    if (isset($_POST['delete_files'])) {
-        foreach ($_POST['delete_files'] as $file_info) {
-            list($type, $filename) = explode('|', $file_info);
-            $dir = $type === '图片' ? '../uploads/images' : '../uploads/apps';
-            $file_path = $dir . '/' . $filename;
-            delete_file($file_path);
-        }
-        header('Location: ' . $_SERVER['PHP_SELF']);
-        exit;
-    }
-}
 
-// 验证管理员权限
-if (!isset($_SESSION['admin'])) {
-    header('Location: login.php');
-    exit;
-}
-
-// 获取上传文件和图片信息
-function get_uploaded_files_info() {
-    $uploaded_files = [];
-    
-    // 上传目录配置
-    $upload_dirs = [
-        '../uploads/apps',
-        '../uploads/images'
-    ];
-    
-    foreach ($upload_dirs as $dir) {
-        if (is_dir($dir)) {
-            $files = scandir($dir);
-            foreach ($files as $file) {
-                if ($file !== '.' && $file !== '..') {
-                    $file_path = $dir . '/' . $file;
-                    if (is_file($file_path)) {
-                        $file_size = filesize($file_path);
-                        $uploaded_files[] = [
-                            'name' => $file,
-                            'size' => $file_size,
-                            'type' => strpos($dir, 'images') !== false ? '图片' : '文件'
-                        ];
-                    }
-                }
-            }
-        }
+        return $uploaded_files;
     }
-    
-    return $uploaded_files;
-}
 
-$uploaded_files = get_uploaded_files_info();
+    $uploaded_files = get_uploaded_files_info();
 ?>
 <!DOCTYPE html>
 <html lang="zh-CN">
@@ -105,7 +105,7 @@ $uploaded_files = get_uploaded_files_info();
     <nav class="navbar navbar-expand-lg navbar-light bg-light">
         <div class="container">
             <a class="navbar-brand" href="index.php">管理员面板</a>
-            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
             </button>
             <div class="collapse navbar-collapse" id="navbarNav">
diff --git a/docs/app_review_standards.php b/docs/app_review_standards.php
index f9e64a9..1edde8c 100644
--- a/docs/app_review_standards.php
+++ b/docs/app_review_standards.php
@@ -14,7 +14,9 @@
     <!-- Font Awesome -->
     <link rel="stylesheet" href="/css/all.min.css">
     <style>
-        body { padding-top: 56px; }
+        body {
+            padding-top: 56px;
+        }
         .blur-bg {
             backdrop-filter: blur(10px);
             background-color: rgba(255, 255, 255, 0.5);
diff --git a/download.php b/download.php
index 15abb51..b28e419 100644
--- a/download.php
+++ b/download.php
@@ -1,54 +1,54 @@
 <?php
-ob_start();
-require_once 'config.php';
+    ob_start();
+    require_once 'config.php';
 
-// 验证版本ID
-if (!isset($_GET['version_id']) || !is_numeric($_GET['version_id'])) {
-    http_response_code(400);
-    exit('无效的版本ID');
-}
-$versionId = $_GET['version_id'];
+    // 验证版本ID
+    if (!isset($_GET['version_id']) || !is_numeric($_GET['version_id'])) {
+        http_response_code(400);
+        exit('无效的版本ID');
+    }
+    $versionId = $_GET['version_id'];
 
-// 获取版本信息
-$version = null;
-$getVersionSql = "SELECT * FROM app_versions WHERE id = ?";
-$stmt = $conn->prepare($getVersionSql);
-$stmt->bind_param("i", $versionId);
-$stmt->execute();
-$result = $stmt->get_result();
-if ($result->num_rows !== 1) {
-    http_response_code(404);
-    exit('版本不存在');
-}
-$version = $result->fetch_assoc();
+    // 获取版本信息
+    $version = null;
+    $getVersionSql = "SELECT * FROM app_versions WHERE id = ?";
+    $stmt = $conn->prepare($getVersionSql);
+    $stmt->bind_param("i", $versionId);
+    $stmt->execute();
+    $result = $stmt->get_result();
+    if ($result->num_rows !== 1) {
+        http_response_code(404);
+        exit('版本不存在');
+    }
+    $version = $result->fetch_assoc();
 
-// 获取绝对文件路径
-$filePath = realpath(__DIR__ . '/' . $version['file_path']);
+    // 获取绝对文件路径
+    $filePath = realpath(__DIR__ . '/' . $version['file_path']);
 
-// 验证文件存在性
-if (!$filePath || !file_exists($filePath)) {
-    http_response_code(404);
-    exit('文件不存在');
-}
+    // 验证文件存在性
+    if (!$filePath || !file_exists($filePath)) {
+        http_response_code(404);
+        exit('文件不存在');
+    }
 
-// 设置下载响应头
-$fileName = basename($filePath);
-$fileSize = filesize($filePath);
+    // 设置下载响应头
+    $fileName = basename($filePath);
+    $fileSize = filesize($filePath);
 
-// 清除输出缓冲区并发送 headers
-ob_end_clean();
-header('Content-Type: application/octet-stream');
-header('Content-Disposition: attachment; filename*=UTF-8\'\'' . rawurlencode($fileName));
-header('Content-Length: ' . $fileSize);
-header('Cache-Control: no-cache, must-revalidate');
-header('Expires: 0');
-header('Pragma: public');
+    // 清除输出缓冲区并发送 headers
+    ob_end_clean();
+    header('Content-Type: application/octet-stream');
+    header('Content-Disposition: attachment; filename*=UTF-8\'\'' . rawurlencode($fileName));
+    header('Content-Length: ' . $fileSize);
+    header('Cache-Control: no-cache, must-revalidate');
+    header('Expires: 0');
+    header('Pragma: public');
 
-// 输出文件内容
-if (!readfile($filePath)) {
-    http_response_code(500);
-    exit('无法读取文件');
-}
+    // 输出文件内容
+    if (!readfile($filePath)) {
+        http_response_code(500);
+        exit('无法读取文件');
+    }
 
-exit;
+    exit;
 ?>
\ No newline at end of file
diff --git a/error_pages/404.html b/error_pages/404.html
index 0067d9a..4feac81 100644
--- a/error_pages/404.html
+++ b/error_pages/404.html
@@ -6,10 +6,30 @@
     <title>404 - 页面未找到</title>
     <link href="/css/bootstrap.min.css" rel="stylesheet">
     <style>
-        body { display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; background-color: #f8f9fa; }
-        .error-container { text-align: center; padding: 2rem; background-color: white; border-radius: 10px; box-shadow: 0 0 10px rgba(0,0,0,0.1); }
-        h1 { font-size: 5rem; margin: 0; color: #6c757d; }
-        p { font-size: 1.2rem; margin: 1rem 0; }
+        body {
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 100vh;
+            margin: 0;
+            background-color: #f8f9fa;
+        }
+        .error-container {
+            text-align: center;
+            padding: 2rem;
+            background-color: white;
+            border-radius: 10px;
+            box-shadow: 0 0 10px rgba(0,0,0,0.1);
+        }
+        h1 {
+            font-size: 5rem;
+            margin: 0;
+            color: #6c757d;
+        }
+        p {
+            font-size: 1.2rem;
+            margin: 1rem 0;
+        }
     </style>
 </head>
 <body>
diff --git a/error_pages/500.html b/error_pages/500.html
index 3294d25..0101935 100644
--- a/error_pages/500.html
+++ b/error_pages/500.html
@@ -6,10 +6,30 @@
     <title>500 - 服务器内部错误</title>
     <link href="/css/bootstrap.min.css" rel="stylesheet">
     <style>
-        body { display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; background-color: #f8f9fa; }
-        .error-container { text-align: center; padding: 2rem; background-color: white; border-radius: 10px; box-shadow: 0 0 10px rgba(0,0,0,0.1); }
-        h1 { font-size: 5rem; margin: 0; color: #dc3545; }
-        p { font-size: 1.2rem; margin: 1rem 0; }
+        body {
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 100vh;
+            margin: 0;
+            background-color: #f8f9fa;
+        }
+        .error-container {
+            text-align: center;
+            padding: 2rem;
+            background-color: white;
+            border-radius: 10px;
+            box-shadow: 0 0 10px rgba(0,0,0,0.1);
+        }
+        h1 {
+            font-size: 5rem;
+            margin: 0;
+            color: #dc3545;
+        }
+        p {
+            font-size: 1.2rem;
+            margin: 1rem 0;
+        }
     </style>
 </head>
 <body>
diff --git a/router.php b/router.php
index eb96064..591fd4f 100644
--- a/router.php
+++ b/router.php
@@ -1,38 +1,38 @@
 <?php
-// 路由脚本，用于PHP内置服务器
-// 将所有/api开头的请求转发到api.php
+    // 路由脚本，用于PHP内置服务器
+    // 将所有/api开头的请求转发到api.php
 
-// 顶栏样式
-echo '<style>
-.navbar.scrolled {
-    background-color: rgba(255, 255, 255, 0.95) !important;
-    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
-}
-</style>';
+    // 顶栏样式
+    echo '<style>
+        .navbar.scrolled {
+            background-color: rgba(255, 255, 255, 0.95) !important;
+            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+        }
+    </style>';
 
-// 导航栏
-echo '<nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
-    <div class="container">
-        <a class="navbar-brand" href="index.php">'. APP_STORE_NAME . '</a>
-        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-        </button>
-        <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-                <li class="nav-item">
-                    <a class="nav-link" href="index.php">首页</a>
-                </li>
-            </ul>
+    // 导航栏
+    echo '<nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
+        <div class="container">
+            <a class="navbar-brand" href="index.php">'. APP_STORE_NAME . '</a>
+            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+                <span class="navbar-toggler-icon"></span>
+            </button>
+            <div class="collapse navbar-collapse" id="navbarNav">
+                <ul class="navbar-nav">
+                    <li class="nav-item">
+                        <a class="nav-link" href="index.php">首页</a>
+                    </li>
+                </ul>
+            </div>
         </div>
-    </div>
-</nav>';
+    </nav>';
 
-// 为内容添加顶部内边距
-echo '<div style="padding-top: 70px;">';
-if (preg_match('/^\/api/', $_SERVER['REQUEST_URI'])) {
-    include 'api.php';
-    exit;
-}
+    // 为内容添加顶部内边距
+    echo '<div style="padding-top: 70px;">';
+    if (preg_match('/^\/api/', $_SERVER['REQUEST_URI'])) {
+        include 'api.php';
+        exit;
+    }
 
-// 其他请求按正常方式处理
-return false;
\ No newline at end of file
+    // 其他请求按正常方式处理
+    return false;
\ No newline at end of file