diff --git a/src/ControllerInterpreter.php b/src/ControllerInterpreter.php
index 64c68f8..b5676bf 100644
--- a/src/ControllerInterpreter.php
+++ b/src/ControllerInterpreter.php
@@ -46,9 +46,7 @@ class ControllerInterpreter
     {
         $reflection = new \ReflectionFunction($method);
 
-        $params = $this->container->resolveMethodParams($reflection);
-
-        return new Handler($method, $params, $reflection->getReturnType());
+        return new Handler($method, $reflection);
     }
 
 
@@ -81,14 +79,7 @@ class ControllerInterpreter
             $reflectionMethod = $reflectionClass->getMethod($reflectionMethod);
         }
 
-        $returnType = $reflectionMethod->getReturnType();
-        if ($returnType instanceof \ReflectionUnionType) {
-            throw new Exception("Return type error, cannot be multi type.");
-        }
-
-        $parameters = $this->container->getMethodParams($reflectionMethod);
-
-        return new Handler([$class, $reflectionMethod->getName()], $parameters, $returnType);
+        return new Handler([$class, $reflectionMethod->getName()], $reflectionMethod);
     }
 
 }
diff --git a/src/Handler.php b/src/Handler.php
index acc3704..79e0a8a 100644
--- a/src/Handler.php
+++ b/src/Handler.php
@@ -11,10 +11,13 @@ use Kiri\Router\Format\NoBody;
 use Kiri\Router\Format\OtherFormat;
 use Kiri\Router\Format\ResponseFormat;
 use Kiri\Router\Format\VoidFormat;
+use Psr\Container\ContainerExceptionInterface;
 use Psr\Container\ContainerInterface;
+use Psr\Container\NotFoundExceptionInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Server\RequestHandlerInterface;
+use ReflectionMethod;
 use ReflectionNamedType;
 
 class Handler implements RequestHandlerInterface
@@ -37,15 +40,14 @@ class Handler implements RequestHandlerInterface
 
     /**
      * @param array|Closure $handler
-     * @param array $parameter
-     * @param ReflectionNamedType|null $reflectionType
+     * @param ReflectionMethod $parameter
      * @throws
      */
-    public function __construct(public array|Closure $handler, public array $parameter, public ?ReflectionNamedType $reflectionType)
+    public function __construct(public array|Closure $handler, public ReflectionMethod|\ReflectionFunction $parameter)
     {
         $this->container = \Kiri::getDi();
-        if ($this->reflectionType != null) {
-            $this->format = $this->container->get($this->returnType());
+        if ($this->parameter->getReturnType() != null) {
+            $this->format = $this->container->get($this->returnType($parameter));
         } else {
             $this->format = $this->container->get(MixedFormat::class);
         }
@@ -53,11 +55,12 @@ class Handler implements RequestHandlerInterface
 
 
     /**
+     * @param $reflectionType
      * @return string
      */
-    protected function returnType(): string
+    protected function returnType($reflectionType): string
     {
-        return match ($this->reflectionType->getName()) {
+        return match ($reflectionType->getName()) {
             'array'                 => ArrayFormat::class,
             'mixed', 'object'       => MixedFormat::class,
             'int', 'string', 'bool' => OtherFormat::class,
@@ -133,7 +136,9 @@ class Handler implements RequestHandlerInterface
      */
     public function handle(ServerRequestInterface $request): ResponseInterface
     {
-        $data = call_user_func($this->handler, ...$this->parameter);
+        $parameter = $this->container->getMethodParams($this->parameter);
+
+        $data = call_user_func($this->handler, ...$parameter);
 
         /** 根据返回类型 */
         return $this->format->call($data);
diff --git a/src/Router.php b/src/Router.php
index f7fb277..1a64393 100644
--- a/src/Router.php
+++ b/src/Router.php
@@ -176,7 +176,7 @@ class Router
     {
         $container = Kiri::getDi();
         $scanner   = $container->get(Kiri\Di\Scanner::class);
-        $scanner->load_directory(APP_PATH . 'app/');
+        $scanner->load_directory(APP_PATH . 'app/Controller');
 
         $this->read_dir_file(APP_PATH . 'routes');
         $this->reset($container);
diff --git a/src/RouterCollector.php b/src/RouterCollector.php
index eecb5d4..fce0912 100644
--- a/src/RouterCollector.php
+++ b/src/RouterCollector.php
@@ -86,7 +86,7 @@ class RouterCollector implements \ArrayAccess, \IteratorAggregate
         $found = di(NotFoundController::class);
 
         $reflection  = new ReflectionMethod($found, 'fail');
-        $this->found = new Handler([$found, 'fail'], [], $reflection->getReturnType());
+        $this->found = new Handler([$found, 'fail'], $reflection);
     }