diff --git a/src/Cache/Driver/RedisDriver.php b/src/Cache/Driver/RedisDriver.php
index 8a5265386d1624f404ed88787b0d55798004e44d..46bdbdc34591b77842a2a74e87dfbf71db5199b7 100644
--- a/src/Cache/Driver/RedisDriver.php
+++ b/src/Cache/Driver/RedisDriver.php
@@ -1,7 +1,6 @@
 <?php
 /**
  * Cross - a micro PHP 5 framework
- *
  * @link        http://www.crossphp.com
  * @license     MIT License
  */
@@ -22,6 +21,7 @@ class RedisDriver
      * @var Redis
      */
     protected $link;
+    protected static $connects = array();
 
     /**
      * 连接redis
@@ -32,35 +32,46 @@ class RedisDriver
      * </pre>
      *
      * @param $option
+     *
      * @throws \cross\exception\CoreException
      */
     function __construct(array $option)
     {
-        if (!extension_loaded('redis')) {
-            throw new CoreException('Not support redis extension !');
-        }
-
-        $redis = new Redis();
-        if (strcasecmp(PHP_OS, 'linux') == 0 && !empty($option['unix_socket'])) {
-            $redis->connect($option['unix_socket']);
+        $server = $option['host'] . $option['port'];
+        if (isset(self::$connects[$server]) && self::$connects[$server]['link']) {
+            $this->link = self::$connects[$server]['link'];
+            if (self::$connects[$server]['current_db'] != $option['db']) {
+                self::$connects[$server]['current_db'] = $option['db'];
+                $this->link->select($option['db']);
+            }
         } else {
-            $redis->connect($option['host'], $option['port'], $option['timeout']);
-        }
-
-        $authStatus = true;
-        if (!empty($option['pass'])) {
-            $authStatus = $redis->auth($option['pass']);
-        }
+            if (!extension_loaded('redis')) {
+                throw new CoreException('Not support redis extension !');
+            }
 
-        try {
-            if ($authStatus) {
-                $redis->select($option['db']);
-                $this->link = $redis;
+            $redis = new Redis();
+            if (strcasecmp(PHP_OS, 'linux') == 0 && !empty($option['unix_socket'])) {
+                self::$connects[$server]['link'] = $redis->connect($option['unix_socket']);
             } else {
-                throw new CoreException('Redis auth failed !');
+                self::$connects[$server]['link'] = $redis->connect($option['host'], $option['port'], $option['timeout']);
+            }
+
+            $authStatus = true;
+            if (!empty($option['pass'])) {
+                $authStatus = $redis->auth($option['pass']);
+            }
+
+            try {
+                if ($authStatus) {
+                    self::$connects[$server]['current_db'] = $option['db'];
+                    $redis->select($option['db']);
+                    self::$connects[$server]['link'] = $this->link = $redis;
+                } else {
+                    throw new CoreException('Redis auth failed !');
+                }
+            } catch (Exception $e) {
+                throw new CoreException($e->getMessage());
             }
-        } catch (Exception $e) {
-            throw new CoreException($e->getMessage());
         }
     }
 
@@ -69,6 +80,7 @@ class RedisDriver
      *
      * @param $method
      * @param $argv
+     *
      * @return mixed|null
      */
     public function __call($method, $argv)