将define 替换成const

bin/bootstrap.php

@@ -1,8 +1,8 @@
 <?php
 define("ROOT_PATH", dirname(__DIR__));
-define('DEBUG', true);
-define('VERSION', '0.4.1');
-define('WEBSITE', 'https://www.swoole.com/aot/');
+const DEBUG = true;
+const VERSION = '0.4.1';
+const WEBSITE = 'https://www.swoole.com/aot/';
 
 require ROOT_PATH . '/vendor/autoload.php';
 require ROOT_PATH . '/src/functions.php';