diff --git a/upload/source/class/memory/memory_driver_apc.php b/upload/source/class/memory/memory_driver_apc.php
index a218336..6613bf4 100644
--- a/upload/source/class/memory/memory_driver_apc.php
+++ b/upload/source/class/memory/memory_driver_apc.php
@@ -22,10 +22,6 @@ class memory_driver_apc
 		return apc_fetch($key);
 	}
 
-	public function getMulti($keys) {
-		return apc_fetch($keys);
-	}
-
 	public function set($key, $value, $ttl = 0) {
 		return apc_store($key, $value, $ttl);
 	}
diff --git a/upload/source/class/memory/memory_driver_apcu.php b/upload/source/class/memory/memory_driver_apcu.php
index 54b6146..ea2bed9 100644
--- a/upload/source/class/memory/memory_driver_apcu.php
+++ b/upload/source/class/memory/memory_driver_apcu.php
@@ -7,41 +7,37 @@
  *      $Id: memory_driver_apc.php 27635 2012-02-08 06:38:31Z zhangguosheng $
  */
 if (!defined('IN_DISCUZ')) {
-    exit('Access Denied');
+	exit('Access Denied');
 }
 
 class memory_driver_apcu {
 
-    public function init($config) {
-        
-    }
+	public function init($config) {
+		
+	}
 
-    public function get($key) {
-        return apcu_fetch($key);
-    }
+	public function get($key) {
+		return apcu_fetch($key);
+	}
 
-    public function getMulti($keys) {
-        return apcu_fetch($key);
-    }
+	public function set($key, $value, $ttl = 0) {
+		return apcu_store($key, $value, $ttl);
+	}
 
-    public function set($key, $value, $ttl = 0) {
-        return apcu_store($key, $value, $ttl);
-    }
+	public function rm($key) {
+		return apcu_delete($key);
+	}
 
-    public function rm($key) {
-        return apcu_delete($key);
-    }
+	public function clear() {
+		return apcu_clear_cache('user');
+	}
 
-    public function clear() {
-        return apcu_clear_cache('user');
-    }
+	public function inc($key, $step = 1) {
+		return apcu_inc($key, $step) !== false ? apcu_fetch($key) : false;
+	}
 
-    public function inc($key, $step = 1) {
-        return apcu_inc($key, $step) !== false ? apcu_fetch($key) : false;
-    }
-
-    public function dec($key, $step = 1) {
-        return apcu_dec($key, $step) !== false ? apcu_fetch($key) : false;
-    }
+	public function dec($key, $step = 1) {
+		return apcu_dec($key, $step) !== false ? apcu_fetch($key) : false;
+	}
 
 }