diff --git a/function.php b/function.php
index 6247dd51..281221e3 100644
--- a/function.php
+++ b/function.php
@@ -4,6 +4,7 @@ defined('APP_PATH') or define('APP_PATH', realpath(__DIR__ . '/../../'));
 
 
 use JetBrains\PhpStorm\Pure;
+use Kiri\Application;
 use Kiri\Config\ConfigProvider;
 use Kiri\Core\ArrayAccess;
 use Kiri\Di\Context;
@@ -29,6 +30,20 @@ interface Arrayable
 }
 
 
+if (!function_exists('application')) {
+
+    /**
+     * @return Application
+     * @throws Exception
+     */
+    function application(): Application
+    {
+        return Kiri::getDi()->get(Application::class);
+    }
+
+}
+
+
 if (!function_exists('make')) {
 
 
diff --git a/kiri-engine/ToArray.php b/kiri-engine/ToArray.php
deleted file mode 100644
index d0df8a00..00000000
--- a/kiri-engine/ToArray.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Kiri;
-
-interface ToArray
-{
-
-    public function toArray();
-
-}