diff --git a/library/think/session/Driver.php b/library/think/session/Driver.php
deleted file mode 100644
index 1311de8c..00000000
--- a/library/think/session/Driver.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-// +----------------------------------------------------------------------
-// | ThinkPHP [ WE CAN DO IT JUST THINK ]
-// +----------------------------------------------------------------------
-// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
-// +----------------------------------------------------------------------
-// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
-// +----------------------------------------------------------------------
-// | Author: liu21st <liu21st@gmail.com>
-// +----------------------------------------------------------------------
-
-namespace think\session;
-
-use SessionHandler;
-
-class Driver extends SessionHandler
-{
-    protected $config = [];
-
-    public function __construct($config = [])
-    {
-        $this->config = array_merge($this->config, $config);
-    }
-
-}
diff --git a/library/think/session/driver/Memcache.php b/library/think/session/driver/Memcache.php
index 30e897c9..c3c42d12 100644
--- a/library/think/session/driver/Memcache.php
+++ b/library/think/session/driver/Memcache.php
@@ -11,10 +11,9 @@
 
 namespace think\session\driver;
 
-use think\Config;
-use think\session\Driver;
+use SessionHandler;
 
-class Memcache extends Driver
+class Memcache extends SessionHandler
 {
     protected $handler = null;
     protected $config  = [
@@ -26,6 +25,11 @@ class Memcache extends Driver
         'session_name' => '', // memcache key前缀
     ];
 
+    public function __construct($config = [])
+    {
+        $this->config = array_merge($this->config, $config);
+    }
+
     /**
      * 打开Session
      * @access public
diff --git a/library/think/session/driver/Redis.php b/library/think/session/driver/Redis.php
index d06886b2..b3e2121d 100644
--- a/library/think/session/driver/Redis.php
+++ b/library/think/session/driver/Redis.php
@@ -12,9 +12,9 @@
 namespace think\session\driver;
 
 use think\Config;
-use think\session\Driver;
+use SessionHandler;
 
-class Redis extends Driver
+class Redis extends SessionHandler
 {
     protected $handler = null;
     protected $config  = [
@@ -27,6 +27,11 @@ class Redis extends Driver
         'session_name' => '', // memcache key前缀
     ];
 
+    public function __construct($config = [])
+    {
+        $this->config = array_merge($this->config, $config);
+    }
+
     /**
      * 打开Session
      * @access public