diff --git a/index.php b/index.php
index 5aff93b..e913b81 100644
--- a/index.php
+++ b/index.php
@@ -3,7 +3,7 @@ include 'vendor/autoload.php';
 include 'conststr.php';
 include 'function/common.php';
 
-//echo '<pre>'. json_encode($_SERVER, JSON_PRETTY_PRINT).'</pre>';
+echo '<pre>'. json_encode($_SERVER, JSON_PRETTY_PRINT).'</pre>';
 if ($_SERVER['USER']==='qcloud') {
     include 'function/scf.php';
 } elseif ($_SERVER['HEROKU_APP_DIR']==='/app') {