diff --git a/HttpServer/Events/OnTask.php b/HttpServer/Events/OnTask.php
index b1cb3e06..2313450d 100644
--- a/HttpServer/Events/OnTask.php
+++ b/HttpServer/Events/OnTask.php
@@ -41,10 +41,10 @@ class OnTask extends Callback
 	 * @param int $from_id
 	 * @param string $data
 	 *
-	 * @return mixed|void
+	 * @return mixed
 	 * @throws Exception 异步任务
 	 */
-	public function onTask(Server $server, int $task_id, int $from_id, string $data)
+	public function onTask(Server $server, int $task_id, int $from_id, string $data): mixed
 	{
 		$time = microtime(TRUE);
 		if (empty($data)) {
@@ -59,17 +59,16 @@ class OnTask extends Callback
 			'runTime'   => microtime(TRUE) - $time,
 			'endTime'   => microtime(TRUE),
 		];
-		$server->finish(json_encode($finish));
+		return $server->finish(json_encode($finish));
 	}
 
 	/**
 	 * @param Server $server
 	 * @param Server\Task $task
-	 * @return mixed|void
-	 * @throws Exception
-	 * 异步任务
+	 * @return mixed
+	 * @throws Exception 异步任务
 	 */
-	public function onContinueTask(Server $server, Server\Task $task)
+	public function onContinueTask(Server $server, Server\Task $task): mixed
 	{
 		$time = microtime(TRUE);
 		if (empty($task->data)) {
@@ -84,7 +83,7 @@ class OnTask extends Callback
 			'runTime'   => microtime(TRUE) - $time,
 			'endTime'   => microtime(TRUE),
 		];
-		$task->finish(json_encode($finish));
+		return $task->finish(json_encode($finish));
 	}
 
 	/**
@@ -92,7 +91,7 @@ class OnTask extends Callback
 	 * @return array|null
 	 * @throws Exception
 	 */
-	private function runTaskHandler($data)
+	private function runTaskHandler($data): ?array
 	{
 		$serialize = $this->before($data);
 		try {
@@ -135,7 +134,7 @@ class OnTask extends Callback
 	 * @param $exception
 	 * @return string
 	 */
-	private function format($exception)
+	private function format($exception): string
 	{
 		return $exception->getMessage() . " on line " . $exception->getLine() . " at file " . $exception->getFile();
 	}
diff --git a/HttpServer/IInterface/After.php b/HttpServer/IInterface/After.php
index 3b281325..9ad5e7c6 100644
--- a/HttpServer/IInterface/After.php
+++ b/HttpServer/IInterface/After.php
@@ -17,6 +17,6 @@ interface After
 	 * @param $params
 	 * @return mixed
 	 */
-	public function onHandler(Request $request, $params);
+	public function onHandler(Request $request, $params): mixed;
 
 }
diff --git a/HttpServer/IInterface/IFormatter.php b/HttpServer/IInterface/IFormatter.php
index 6efd894c..30ebd2ff 100644
--- a/HttpServer/IInterface/IFormatter.php
+++ b/HttpServer/IInterface/IFormatter.php
@@ -21,9 +21,13 @@ interface IFormatter
 	 * @param $context
 	 * @return static
 	 */
-	public function send($context);
+	public function send($context): static;
 
-	public function getData();
 
-	public function clear();
+	/**
+	 * @return mixed
+	 */
+	public function getData(): mixed;
+
+	public function clear(): void;
 }
diff --git a/HttpServer/IInterface/Interceptor.php b/HttpServer/IInterface/Interceptor.php
index 3f7fe08f..332c14da 100644
--- a/HttpServer/IInterface/Interceptor.php
+++ b/HttpServer/IInterface/Interceptor.php
@@ -12,6 +12,11 @@ interface Interceptor
 {
 
 
-	public function Interceptor(Request $request, Closure $closure);
+	/**
+	 * @param Request $request
+	 * @param Closure $closure
+	 * @return mixed
+	 */
+	public function Interceptor(Request $request, Closure $closure): mixed;
 
 }
diff --git a/HttpServer/IInterface/Limits.php b/HttpServer/IInterface/Limits.php
index 6b26475d..7705f433 100644
--- a/HttpServer/IInterface/Limits.php
+++ b/HttpServer/IInterface/Limits.php
@@ -11,6 +11,11 @@ use Closure;
 interface Limits
 {
 
-	public function next(Request $request, Closure $closure);
+	/**
+	 * @param Request $request
+	 * @param Closure $closure
+	 * @return mixed
+	 */
+	public function next(Request $request, Closure $closure): mixed;
 
 }
diff --git a/HttpServer/IInterface/Middleware.php b/HttpServer/IInterface/Middleware.php
index 145f7dee..a6c6c58e 100644
--- a/HttpServer/IInterface/Middleware.php
+++ b/HttpServer/IInterface/Middleware.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace HttpServer\IInterface;
 
 
+use Closure;
 use HttpServer\Http\Request;
 
 /**
@@ -14,6 +15,12 @@ use HttpServer\Http\Request;
 interface Middleware
 {
 
-	public function handler(Request $request,\Closure $next);
+
+	/**
+	 * @param Request $request
+	 * @param Closure $next
+	 * @return mixed
+	 */
+	public function handler(Request $request, Closure $next): mixed;
 
 }
diff --git a/HttpServer/IInterface/Task.php b/HttpServer/IInterface/Task.php
index 749d49d0..bcf665d4 100644
--- a/HttpServer/IInterface/Task.php
+++ b/HttpServer/IInterface/Task.php
@@ -21,8 +21,8 @@ interface Task
 
 
 	/**
-	 * @return void
+	 * @return mixed
 	 */
-	public function onHandler(): void;
+	public function onHandler(): mixed;
 
 }