diff --git a/System/Cache/Base/Redis.php b/System/Cache/Base/Redis.php
index 21cf6811..8088ceb2 100644
--- a/System/Cache/Base/Redis.php
+++ b/System/Cache/Base/Redis.php
@@ -6,10 +6,15 @@ use Http\Context\Context;
 use Kiri\Events\EventProvider;
 use Kiri\Exception\RedisConnectException;
 use Kiri\Kiri;
+use Kiri\Pool\StopHeartbeatCheck;
 use Server\Events\OnWorkerExit;
 use Swoole\Timer;
 
-class Redis
+
+/**
+ *
+ */
+class Redis implements StopHeartbeatCheck
 {
 
 	const DB_ERROR_MESSAGE = 'The system is busy, please try again later.';
@@ -69,7 +74,6 @@ class Redis
 				try {
 					if (env('state') == 'exit') {
 						echo 'timer end.' . PHP_EOL;
-						$this->stopHeartbeatCheck();
 					}
 					if (time() - $this->_last > 10 * 60) {
 						$this->stopHeartbeatCheck();
diff --git a/System/Pool/Pool.php b/System/Pool/Pool.php
index 8bf82525..ad1caef2 100644
--- a/System/Pool/Pool.php
+++ b/System/Pool/Pool.php
@@ -53,8 +53,8 @@ class Pool extends Component
         }
         while ($channel->length() > $retain_number) {
             $connection = $channel->pop();
-            if ($connection) {
-                unset($connection);
+            if ($connection instanceof StopHeartbeatCheck) {
+                $connection->stopHeartbeatCheck();
             }
         }
     }
diff --git a/System/Pool/StopHeartbeatCheck.php b/System/Pool/StopHeartbeatCheck.php
new file mode 100644
index 00000000..44db0037
--- /dev/null
+++ b/System/Pool/StopHeartbeatCheck.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Kiri\Pool;
+
+interface StopHeartbeatCheck
+{
+
+
+	public function stopHeartbeatCheck();
+
+}