diff --git a/System/Abstracts/Pool.php b/System/Abstracts/Pool.php
index e5d2caa1..3b8d595d 100644
--- a/System/Abstracts/Pool.php
+++ b/System/Abstracts/Pool.php
@@ -174,7 +174,7 @@ abstract class Pool extends Component
 		if ($this->_items[$name]->isEmpty()) {
 			$this->createByCallback($name, $callback);
 		}
-		$connection = $this->_items[$name]->pop(0.002);
+		$connection = $this->_items[$name]->pop();
 		if (!$this->checkCanUse($name, $connection)) {
 			return $this->createClient($name, $callback);
 		} else {
@@ -297,6 +297,7 @@ abstract class Pool extends Component
 		if (!$this->_items[$name]->isFull()) {
 			$this->_items[$name]->push($client);
 		}
+		unset($client);
 	}
 
 
diff --git a/System/Pool/Redis.php b/System/Pool/Redis.php
index df76cb37..3350fe44 100644
--- a/System/Pool/Redis.php
+++ b/System/Pool/Redis.php
@@ -102,6 +102,7 @@ class Redis extends Pool
 		}
 
 		$this->push($coroutineName, Context::getContext($coroutineName));
+        Context::remove($coroutineName);
 		$this->lastTime = time();
 	}
 
@@ -117,7 +118,8 @@ class Redis extends Pool
 		if (Context::hasContext($coroutineName)) {
 			$this->decrement($coroutineName);
 		}
-		$this->flush(0);
+        Context::remove($coroutineName);
+        $this->flush(0);
 	}
 
 	/**