diff --git a/composer.json b/composer.json
index 8022fd5..6fbdf06 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
   ],
   "license": "MIT",
   "require": {
-    "php": ">=8.4",
+    "php": ">=8.5",
     "composer-runtime-api": "^2.0",
     "psr/http-server-middleware": "^1.0",
     "psr/http-message": "^1.0"
diff --git a/src/Handler.php b/src/Handler.php
index fe12a60..3cb12f7 100644
--- a/src/Handler.php
+++ b/src/Handler.php
@@ -5,6 +5,7 @@ namespace Kiri\Router;
 
 use Closure;
 use Kiri;
+use Kiri\Router\Annotate\Defer;
 use Kiri\Router\Format\IFormat;
 use Kiri\Router\Format\MixedFormat;
 use Kiri\Router\Format\NoBody;
@@ -32,6 +33,11 @@ class Handler implements RequestHandlerInterface
 	 */
 	protected array $middlewares = [];
 
+	/**
+	 * @var Defer[]
+	 */
+	protected array $deferred = [];
+
 	protected ?string $sourceFile = null;
 
 	protected string $sourceKind = 'attribute';
@@ -152,6 +158,25 @@ class Handler implements RequestHandlerInterface
 	}
 
 
+	/**
+	 * @param Defer[] $deferred
+	 * @return void
+	 */
+	public function setDeferred(array $deferred): void
+	{
+		$this->deferred = $deferred;
+	}
+
+
+	/**
+	 * @return Defer[]
+	 */
+	public function getDeferred(): array
+	{
+		return $this->deferred;
+	}
+
+
     /**
      * @param ServerRequestInterface $request
      * @return ResponseInterface
@@ -163,8 +188,35 @@ class Handler implements RequestHandlerInterface
 
         $data = call_user_func([$controller, $this->handler[1]], ...$this->parameters);
 
+		$this->executeDeferred();
+
         /** 根据返回类型 */
         return $this->format->call($data);
     }
 
+
+	/**
+	 * @return void
+	 */
+	private function executeDeferred(): void
+	{
+		foreach ($this->deferred as $defer) {
+			try {
+				$callback = $defer->callback;
+				$params   = $defer->params;
+
+				if (is_array($callback)) {
+					[$class, $method] = $callback;
+					$instance = Kiri::getDi()->get($class);
+					call_user_func([$instance, $method], ...$params);
+				} else {
+					$instance = Kiri::getDi()->get($callback);
+					call_user_func([$instance, '__invoke'], ...$params);
+				}
+			} catch (\Throwable $throwable) {
+				\Kiri::getLogger()->error('Defer callback failed: ' . $throwable->getMessage());
+			}
+		}
+	}
+
 }
diff --git a/src/RouteEntry.php b/src/RouteEntry.php
index 0d1eff3..7fff1b6 100644
--- a/src/RouteEntry.php
+++ b/src/RouteEntry.php
@@ -6,6 +6,9 @@ namespace Kiri\Router;
 
 class RouteEntry
 {
+	/**
+	 * @param array $deferred Array of ['callback' => string|array, 'params' => array]
+	 */
 	public function __construct(
 		public readonly string $requestMethod,
 		public readonly string $path,
@@ -14,6 +17,7 @@ class RouteEntry
 		public readonly array $middlewares = [],
 		public readonly ?string $sourceFile = null,
 		public readonly string $sourceKind = 'attribute',
+		public readonly array $deferred = [],
 	) {
 	}
 }
diff --git a/src/RouterCollector.php b/src/RouterCollector.php
index 56d5ab2..f42e496 100644
--- a/src/RouterCollector.php
+++ b/src/RouterCollector.php
@@ -6,6 +6,8 @@ namespace Kiri\Router;
 
 
 use Closure;
+use Kiri\Router\Annotate\Defer;
+use Kiri\Router\Annotate\DeferRegistry;
 use Kiri\Router\Base\NotFoundController;
 use Kiri\Router\Constrict\RequestMethod;
 use Psr\Http\Server\MiddlewareInterface;
@@ -236,6 +238,7 @@ class RouterCollector implements \ArrayAccess, \IteratorAggregate
 
 		$this->methods[$method . '_' . $path] = $handler;
 		$handler->setMiddlewares($this->registerMiddleware($handler->getClass(), $handler->getMethod()));
+		$handler->setDeferred(DeferRegistry::get($handler->getClass(), $handler->getMethod()));
 	}
 
 
@@ -256,6 +259,7 @@ class RouterCollector implements \ArrayAccess, \IteratorAggregate
 			$middlewares = $handler instanceof Handler ? $handler->getMiddlewares() : $handler->middlewares;
 			$sourceFile = $handler instanceof Handler ? $handler->getSourceFile() : $handler->sourceFile;
 			$sourceKind = $handler instanceof Handler ? $handler->getSourceKind() : $handler->sourceKind;
+			$deferred = $handler instanceof Handler ? $this->serializeDeferred($handler->getDeferred()) : ($handler->deferred ?? []);
 
 			$entries[] = [
 				'request_method' => $requestMethod,
@@ -265,6 +269,7 @@ class RouterCollector implements \ArrayAccess, \IteratorAggregate
 				'middlewares' => $middlewares,
 				'source_file' => $sourceFile,
 				'source_kind' => $sourceKind,
+				'deferred' => $deferred,
 			];
 		}
 
@@ -314,6 +319,7 @@ class RouterCollector implements \ArrayAccess, \IteratorAggregate
 				middlewares: is_array($entry['middlewares'] ?? null) ? $entry['middlewares'] : [],
 				sourceFile: is_string($sourceFile) ? $this->normalizePath($sourceFile) : null,
 				sourceKind: is_string($entry['source_kind'] ?? null) ? $entry['source_kind'] : 'attribute',
+				deferred: is_array($entry['deferred'] ?? null) ? $entry['deferred'] : [],
 			);
 		}
 
@@ -373,10 +379,11 @@ class RouterCollector implements \ArrayAccess, \IteratorAggregate
 
 
 	/**
-	 * @param array $response
-	 * @param array $middlewares
-	 * @return array
+	 * @param string $class
+	 * @param string $method
+	 * @return Defer[]
 	 */
+
 	private function appendMiddleware(array $response, array $middlewares): array
 	{
 		foreach ($middlewares as $middleware) {
@@ -448,6 +455,39 @@ class RouterCollector implements \ArrayAccess, \IteratorAggregate
 	}
 
 
+	/**
+	 * @param Defer[] $deferred
+	 * @return array
+	 */
+	private function serializeDeferred(array $deferred): array
+	{
+		$result = [];
+		foreach ($deferred as $defer) {
+			$result[] = [
+				'callback' => $defer->callback,
+				'params'   => $defer->params,
+			];
+		}
+		return $result;
+	}
+
+
+	/**
+	 * @param array $data
+	 * @return Defer[]
+	 */
+	private function deserializeDeferred(array $data): array
+	{
+		$result = [];
+		foreach ($data as $item) {
+			if (isset($item['callback'])) {
+				$result[] = new Defer($item['callback'], $item['params'] ?? []);
+			}
+		}
+		return $result;
+	}
+
+
 	private function normalizePath(string $path): string
 	{
 		$resolved = realpath($path) ?: $path;
@@ -464,6 +504,7 @@ class RouterCollector implements \ArrayAccess, \IteratorAggregate
 			$handler->setMiddlewares($method->middlewares);
 			$handler->setSourceFile($method->sourceFile);
 			$handler->setSourceKind($method->sourceKind);
+			$handler->setDeferred($this->deserializeDeferred($method->deferred));
 			$method = $handler;
 		}