Set the memory limit to 1G by default. (#53)

Author: daydaygo

bin/hyperf.php

@@ -3,6 +3,7 @@
 
 ini_set('display_errors', 'on');
 ini_set('display_startup_errors', 'on');
+ini_set('memory_limit', '1G');
 
 error_reporting(E_ALL);