diff --git a/composer.json b/composer.json
index cbe6630..ae9243e 100644
--- a/composer.json
+++ b/composer.json
@@ -9,9 +9,11 @@
   ],
   "require": {
     "php": ">=7.2",
+    "hyperf/framework": "~2.1.0",
     "psr/container": "^1.0",
     "hyperf/pool": "^2.0",
     "hyperf/utils": "^2.0.0",
+    "hyperf/di": "^2.0.0",
     "ext-mongodb": "*"
   },
   "require-dev": {
diff --git a/src/Pool/PoolFactory.php b/src/Pool/PoolFactory.php
index 63e645a..f9f9753 100644
--- a/src/Pool/PoolFactory.php
+++ b/src/Pool/PoolFactory.php
@@ -4,6 +4,7 @@
 namespace Hyperf\Mongodb\Pool;
 
 use Hyperf\Di\Container;
+use Hyperf\Di\Exception\NotFoundException;
 use Psr\Container\ContainerInterface;
 use Swoole\Coroutine\Channel;
 
@@ -24,7 +25,10 @@ class PoolFactory
         $this->container = $container;
     }
 
-    public function getPool(string $name): MongoDBPool
+    /**
+     * @throws NotFoundException
+     */
+    public function getPool(string $name): Channel
     {
         if (isset($this->pools[$name])) {
             return $this->pools[$name];
diff --git a/tests/MongoTest.php b/tests/MongoTest.php
index 15d1dfe..e3563ce 100644
--- a/tests/MongoTest.php
+++ b/tests/MongoTest.php
@@ -4,7 +4,7 @@ namespace Zyimm\Test;
 
 class MongoTest extends \PHPUnit\Framework\TestCase
 {
-    public function testfindALL()
+    public function testFindALL()
     {
         $this->assertArrayHasKey('error_code', Sdk::instance($this->config())
             ->service()