diff --git a/src/grpc-client/src/BaseClient.php b/src/grpc-client/src/BaseClient.php
index f1b185905..976cc0186 100644
--- a/src/grpc-client/src/BaseClient.php
+++ b/src/grpc-client/src/BaseClient.php
@@ -27,7 +27,7 @@ use InvalidArgumentException;
  */
 class BaseClient
 {
-    /** 
+    /**
      * @var null|GrpcClient
      */
     private $grpcClient;
diff --git a/src/grpc-client/src/GrpcClient.php b/src/grpc-client/src/GrpcClient.php
index bab807eb5..43bdff168 100644
--- a/src/grpc-client/src/GrpcClient.php
+++ b/src/grpc-client/src/GrpcClient.php
@@ -331,8 +331,6 @@ class GrpcClient
                     }
                     // Force close.
                     if ($this->waitStatus === Status::WAIT_CLOSE_FORCE) {
-                        $this->channelPool->release($this->recvChannelMap[$streamId]);
-                        unset($this->recvChannelMap[$streamId]);
                         if ($this->closeRecv()) {
                             break;
                         }
diff --git a/src/grpc-client/tests/BaseClientTest.php b/src/grpc-client/tests/BaseClientTest.php
index 0f1c331d8..636ca9bb8 100644
--- a/src/grpc-client/tests/BaseClientTest.php
+++ b/src/grpc-client/tests/BaseClientTest.php
@@ -50,6 +50,14 @@ class BaseClientTest extends TestCase
             self::$server->start();
         });
     }
+
+    public static function tearDownAfterClass()
+    {
+        Coroutine::create(function () {
+            self::$server->shutdown();
+        });
+    }
+
     public function setUp()
     {
         if (swoole_version() === '4.4.14') {
@@ -65,13 +73,6 @@ class BaseClientTest extends TestCase
         parent::tearDown();
     }
 
-    public static function tearDownAfterClass()
-    {
-        Coroutine::create(function () {
-            self::$server->shutdown();
-        });
-    }
-
     public function testGrpcClientConnectionFailure()
     {
         $this->getContainer();
@@ -135,9 +136,9 @@ class BaseClientTest extends TestCase
     {
         $this->getContainer();
         $client = new HiClient('127.0.0.1:2222', ['retry_attempts' => 0]);
-        try{
+        try {
             $client->sayBug();
-        } catch(TypeError $e){
+        } catch (TypeError $e) {
             $this->assertNotNull($e);
         } finally {
             $this->assertGreaterThan(0, $client->sayHello());
diff --git a/src/grpc-client/tests/Stub/HiClient.php b/src/grpc-client/tests/Stub/HiClient.php
index d84436581..d91a82de0 100644
--- a/src/grpc-client/tests/Stub/HiClient.php
+++ b/src/grpc-client/tests/Stub/HiClient.php
@@ -26,6 +26,7 @@ class HiClient extends BaseClient
             [UserReply::class, 'decode']
         );
     }
+
     public function sayBug()
     {
         return $this->simpleRequest(