YPay需要php8.1及以上版本支持'); } } else { exit(""); } // 安装检测逻辑（保持原有） $lockFile = __DIR__ . '/install.lock'; $installPath = '/install.php'; if (!file_exists($lockFile)) { $protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 'https://' : 'http://'; $host = $_SERVER['HTTP_HOST']; $baseDir = str_replace($_SERVER['DOCUMENT_ROOT'], '', __DIR__); $redirectUrl = rtrim($protocol . $host . $baseDir, '/') . $installPath; header("Location: " . $redirectUrl); exit; } $http = (new App())->http; $response = $http->name('index')->run(); $response->send(); $http->end($response);