diff --git a/public/index.php b/public/index.php
index 204a7dc1b..c8daac2f8 100644
--- a/public/index.php
+++ b/public/index.php
@@ -17,7 +17,7 @@ namespace think;
 
 require __DIR__ . '/../vendor/autoload.php';
 
-$http = (new App())->http;
+$http = (new App())->debug(true)->http;
 
 $response = $http->run();