diff --git a/QueryList.php b/QueryList.php
index a9b623a..a71147e 100644
--- a/QueryList.php
+++ b/QueryList.php
@@ -12,7 +12,7 @@ use phpQuery,Exception,ReflectionClass;
  * @author 			Jaeger
  * @email 			734708094@qq.com
  * @link            http://git.oschina.net/jae/QueryList
- * @version         3.1.1
+ * @version         3.1.2
  *
  * @example 
  *
@@ -104,7 +104,7 @@ class QueryList
     public static function getInstance()
     {
         $args = func_get_args();
-        count($args) || $args = array(self::class);
+        count($args) || $args = array('QL\QueryList');
         $key = md5(serialize($args));
         $className = array_shift($args);
        if(!class_exists($className)) {
@@ -420,4 +420,4 @@ class Autoload
 
 spl_autoload_register(array('Autoload','load'));
 
-*/
\ No newline at end of file
+*/