diff --git a/src/Pool/AbstractPool.php b/src/Pool/AbstractPool.php
index cfbdfec..6bb28fc 100644
--- a/src/Pool/AbstractPool.php
+++ b/src/Pool/AbstractPool.php
@@ -10,6 +10,7 @@
 
 
 use EasySwoole\Component\Pool\Exception\PoolEmpty;
+use EasySwoole\Component\Pool\Exception\PoolUnRegister;
 use Swoole\Coroutine\Channel;
 
 abstract class AbstractPool
@@ -168,20 +169,25 @@ protected function getPoolConfig():PoolConf
         return $this->conf;
     }
 
-    public function invoke(callable $call,float $timeout = null)
+    public static function invoke(callable $call,float $timeout = null)
     {
-        $obj = $this->getObj($timeout);
-        if($obj){
-            try{
-                $ret = call_user_func($call,$obj);
-                $this->recycleObj($obj);
-                return $ret;
-            }catch (\Throwable $throwable){
-                $this->recycleObj($obj);
-                throw $throwable;
+        $pool = PoolManager::getInstance()->getPool(static::class);
+        if($pool instanceof AbstractPool){
+            $obj = $pool->getObj($timeout);
+            if($obj){
+                try{
+                    $ret = call_user_func($call,$obj);
+                    $pool->recycleObj($obj);
+                    return $ret;
+                }catch (\Throwable $throwable){
+                    $pool->recycleObj($obj);
+                    throw $throwable;
+                }
+            }else{
+                throw new PoolEmpty(static::class." pool is empty");
             }
         }else{
-            throw new PoolEmpty(static::class." pool is empty");
+            throw new PoolUnRegister(static::class." pool is unregister");
         }
     }
 
diff --git a/src/Pool/Exception/PoolUnRegister.php b/src/Pool/Exception/PoolUnRegister.php
new file mode 100644
index 0000000..3427f73
--- /dev/null
+++ b/src/Pool/Exception/PoolUnRegister.php
@@ -0,0 +1,15 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: yf
+ * Date: 2018/12/9
+ * Time: 10:07 AM
+ */
+
+namespace EasySwoole\Component\Pool\Exception;
+
+
+class PoolUnRegister extends \Exception
+{
+
+}
\ No newline at end of file