diff --git a/app/controller/Index.php b/app/controller/IndexController.php
similarity index 94%
rename from app/controller/Index.php
rename to app/controller/IndexController.php
index ed33c4f..31e1c43 100644
--- a/app/controller/Index.php
+++ b/app/controller/IndexController.php
@@ -4,7 +4,7 @@
 
 use support\Request;
 
-class Index
+class IndexController
 {
     public function index(Request $request)
     {
diff --git a/config/app.php b/config/app.php
index 982871b..f26e358 100644
--- a/config/app.php
+++ b/config/app.php
@@ -21,6 +21,6 @@
     'request_class' => Request::class,
     'public_path' => base_path() . DIRECTORY_SEPARATOR . 'public',
     'runtime_path' => base_path(false) . DIRECTORY_SEPARATOR . 'runtime',
-    'controller_suffix' => '',
+    'controller_suffix' => 'Controller',
     'controller_reuse' => false,
 ];