diff --git a/function.php b/function.php
index 18966543..4e833c02 100644
--- a/function.php
+++ b/function.php
@@ -928,12 +928,12 @@ if (!function_exists('env')) {
 
 if (!function_exists('config')) {
 
-	/**
-	 * @param $key
-	 * @param null $default
-	 * @return array|string|null
-	 */
-	function config($key, $default = NULL): null|array|string
+    /**
+     * @param $key
+     * @param null $default
+     * @return array|string|int|float|bool|null
+     */
+	function config($key, $default = NULL): null|array|string|int|float|bool
 	{
 		return make(ConfigProvider::class)->get($key, $default);
 	}
diff --git a/kiri-engine/Config/ConfigProvider.php b/kiri-engine/Config/ConfigProvider.php
index de7544a8..0fe4ab32 100644
--- a/kiri-engine/Config/ConfigProvider.php
+++ b/kiri-engine/Config/ConfigProvider.php
@@ -31,7 +31,7 @@ class ConfigProvider
     {
         $keys = explode($key, '.');
 
-        $hashMap = $this->hashMap->get(array_unshift($keys));
+        $hashMap = $this->hashMap->get(array_shift($keys));
         if (is_null($hashMap)) {
             return $default;
         }
diff --git a/kiri-engine/Redis/Redis.php b/kiri-engine/Redis/Redis.php
index fef00cf2..59a236dd 100644
--- a/kiri-engine/Redis/Redis.php
+++ b/kiri-engine/Redis/Redis.php
@@ -58,9 +58,7 @@ class Redis extends Component
 
 	/**
 	 * @return void
-	 * @throws ContainerExceptionInterface
-	 * @throws NotFoundExceptionInterface
-	 * @throws Exception
+     * @throws Exception
 	 */
 	public function init(): void
 	{