diff --git a/QueryList.php b/QueryList.php
deleted file mode 100644
index e62d829..0000000
--- a/QueryList.php
+++ /dev/null
@@ -1,472 +0,0 @@
-<?php
-
-namespace QL;
-
-use phpQuery,Exception,ReflectionClass;
-use Monolog\Logger;
-use Monolog\Handler\StreamHandler;
-
-/**
- * QueryList
- *
- * 一个基于phpQuery的通用列表采集类
- * 
- * @author 			Jaeger
- * @email 			734708094@qq.com
- * @link            http://git.oschina.net/jae/QueryList
- * @version         3.2.1
- *
- * @example 
- *
- //获取CSDN移动开发栏目下的文章列表标题
-$hj = QueryList::Query('http://mobile.csdn.net/',array("title"=>array('.unit h1','text')));
-print_r($hj->data);
-
-//回调函数1
-function callfun1($content,$key)
-{
-    return '回调函数1：'.$key.'-'.$content;
-}
-class HJ{
-    //回调函数2
-    static public function callfun2($content,$key)
-    {
-        return '回调函数2：'.$key.'-'.$content;
-    }
-}
-//获取CSDN文章页下面的文章标题和内容
-$url = 'http://www.csdn.net/article/2014-06-05/2820091-build-or-buy-a-mobile-game-backend';
-$rules = array(
-    'title'=>array('h1','text','','callfun1'),    //获取纯文本格式的标题,并调用回调函数1                   
-    'summary'=>array('.summary','text','-input strong'), //获取纯文本的文章摘要，但保strong标签并去除input标签
-    'content'=>array('.news_content','html','div a -.copyright'),    //获取html格式的文章内容，但过滤掉div和a标签,去除类名为copyright的元素
-    'callback'=>array('HJ','callfun2')      //调用回调函数2作为全局回调函数
-    );
-$rang = '.left';
-$hj = QueryList::Query($url,$rules,$rang);
-print_r($hj->data);
-
-//继续获取右边相关热门文章列表的标题以及链接地址
-$hj->setQuery(array('title'=>array('','text'),'url'=>array('a','href')),'#con_two_2 li');
-//输出数据
-echo $hj->getData();
- 
- */
-
-class QueryList
-{
-    public $data;
-    public $html;
-    private $page;
-    private $pqHtml;
-    private $outputEncoding = false;
-    private $inputEncoding = false;
-    private $htmlEncoding;
-    public static $logger = null;
-    public static $instances;
-
-    public function __construct() {
-    }
-    /**
-     * 静态方法，访问入口
-     * @param string $page            要抓取的网页URL地址(支持https);或者是html源代码
-     * @param array  $rules         【选择器数组】说明：格式array("名称"=>array("选择器","类型"[,"标签过滤列表"][,"回调函数"]),.......[,"callback"=>"全局回调函数"]);
-     *                               【选择器】说明:可以为任意的jQuery选择器语法
-     *                               【类型】说明：值 "text" ,"html" ,"HTML标签属性" ,
-     *                               【标签过滤列表】:可选，要过滤的选择器名，多个用空格隔开,当标签名前面添加减号(-)时（此时标签可以为任意的元素选择器），表示移除该标签以及标签内容，否则当【类型】值为text时表示需要保留的HTML标签，为html时表示要过滤掉的HTML标签
-     *                               【回调函数】/【全局回调函数】：可选，字符串（函数名） 或 数组（array("类名","类的静态方法")），回调函数应有俩个参数，第一个参数是选择到的内容，第二个参数是选择器数组下标，回调函数会覆盖全局回调函数
-     *
-     * @param string $range       【块选择器】：指 先按照规则 选出 几个大块 ，然后再分别再在块里面 进行相关的选择
-     * @param string $outputEncoding【输出编码格式】指要以什么编码输出(UTF-8,GB2312,.....)，防止出现乱码,如果设置为 假值 则不改变原字符串编码
-     * @param string $inputEncoding 【输入编码格式】明确指定输入的页面编码格式(UTF-8,GB2312,.....)，防止出现乱码,如果设置为 假值 则自动识别
-     * @param bool|false $removeHead 【是否移除页面头部区域】 乱码终极解决方案
-     * @return mixed
-     */
-    public static function Query($page,array $rules, $range = '', $outputEncoding = null, $inputEncoding = null,$removeHead = false)
-    {
-        return  self::getInstance()->_query($page, $rules, $range, $outputEncoding, $inputEncoding,$removeHead);
-    }
-
-    /**
-     * 运行QueryList扩展
-     * @param $class
-     * @param array $args
-     * @return mixed
-     * @throws Exception
-     */
-    public static function run($class,$args = array())
-    {
-        $extension = self::getInstance("QL\\Ext\\{$class}");
-        return $extension->run($args);
-    }
-
-    /**
-     * 日志设置
-     * @param $handler
-     */
-    public static function setLog($handler)
-    {
-    	if(class_exists('Monolog\Logger'))
-    	{
-    		if(is_string($handler))
-    		{
-    		    $handler = new StreamHandler($handler,Logger::INFO);
-    		}
-    		self::$logger = new Logger('QueryList');
-    		self::$logger->pushHandler($handler);
-    	}else{
-    		throw new Exception("You need to install the package [monolog/monolog]");
-    		
-    	}
-        
-    }
-
-    /**
-     * 获取任意实例
-     * @return mixed
-     * @throws Exception
-     */
-    public static function getInstance()
-    {
-        $args = func_get_args();
-        count($args) || $args = array('QL\QueryList');
-        $key = md5(serialize($args));
-        $className = array_shift($args);
-       if(!class_exists($className)) {
-           throw new Exception("no class {$className}");
-       }
-       if(!isset(self::$instances[$key])) {
-            $rc = new ReflectionClass($className);
-           self::$instances[$key] =  $rc->newInstanceArgs($args);
-       }
-       return self::$instances[$key];
-    }
-
-    /**
-     * 获取目标页面源码(主要用于调试)
-     * @param bool|true $rel
-     * @return string
-     */
-    public  function getHtml($rel = true)
-    {
-        return $rel?$this->qpHtml:$this->html;
-    }
-
-    /**
-     * 获取采集结果数据
-     * @param callback $callback
-     * @return array
-     */
-    public function getData($callback = null)
-    {
-        if(is_callable($callback)){
-            return array_map($callback,$this->data);
-        }
-        return $this->data;
-    }
-
-    /**
-     * 重新设置选择器
-     * @param $rules
-     * @param string $range
-     * @param string $outputEncoding
-     * @param string $inputEncoding
-     * @param bool|false $removeHead
-     * @return QueryList
-     */
-    public function setQuery(array $rules, $range = '',$outputEncoding = null, $inputEncoding = null,$removeHead = false)
-    {
-        return $this->_query($this->html,$rules, $range, $outputEncoding, $inputEncoding,$removeHead);
-    }
-
-    private function _query($page,array $rules, $range, $outputEncoding, $inputEncoding,$removeHead)
-    {
-        $this->data = array();
-        $this->page = $page;
-        $this->html = $this->_isURL($this->page)?$this->_request($this->page):$this->page;
-        $outputEncoding && $this->outputEncoding = $outputEncoding;
-        $inputEncoding && $this->inputEncoding = $inputEncoding;
-        $removeHead && $this->html = $this->_removeHead($this->html);
-        $this->pqHtml = '';
-        if(empty($this->html)){
-            $this->_log('The received content is empty!','error');
-            trigger_error('The received content is empty!',E_USER_NOTICE);
-        }
-        //获取编码格式
-        $this->htmlEncoding = $this->inputEncoding?$this->inputEncoding:$this->_getEncode($this->html);
-        // $this->html = $this->_removeTags($this->html,array('script','style'));
-        $this->regArr = $rules;
-        $this->regRange = $range;
-        $this->_getList();
-        $this->_log();
-        return $this;
-    }
-
-    private function _getList()
-    {
-        $this->inputEncoding && phpQuery::$defaultCharset = $this->inputEncoding;
-        $document = phpQuery::newDocumentHTML($this->html);
-        $this->qpHtml = $document->htmlOuter();
-        if (!empty($this->regRange)) {
-            $robj = pq($document)->find($this->regRange);
-            $i = 0;
-            foreach ($robj as $item) {
-                while (list($key, $reg_value) = each($this->regArr)) {
-                    if($key=='callback')continue;
-                    $tags = isset($reg_value[2])?$reg_value[2]:'';
-                    $iobj = pq($item)->find($reg_value[0]);
-
-                    switch ($reg_value[1]) {
-                    case 'text':
-                        $this->data[$i][$key] = $this->_allowTags(pq($iobj)->html(),$tags);
-                        break;
-                    case 'html':
-                        $this->data[$i][$key] = $this->_stripTags(pq($iobj)->html(),$tags);
-                        break;
-                    default:
-                        $this->data[$i][$key] = pq($iobj)->attr($reg_value[1]);
-                        break;
-                    }
-
-                    if(isset($reg_value[3])){
-                        $this->data[$i][$key] = call_user_func($reg_value[3],$this->data[$i][$key],$key);
-                    }else if(isset($this->regArr['callback'])){
-                        $this->data[$i][$key] = call_user_func($this->regArr['callback'],$this->data[$i][$key],$key);
-                    }
-                }
-                //重置数组指针
-                reset($this->regArr);
-                $i++;
-            }
-        } else {
-            while (list($key, $reg_value) = each($this->regArr)) {
-                if($key=='callback')continue;
-                $document = phpQuery::newDocumentHTML($this->html);
-                $tags = isset($reg_value[2])?$reg_value[2]:'';
-                $lobj = pq($document)->find($reg_value[0]);
-                $i = 0;
-                foreach ($lobj as $item) {
-                    switch ($reg_value[1]) {
-                    case 'text':
-                        $this->data[$i][$key] = $this->_allowTags(pq($item)->html(),$tags);
-                        break;
-                    case 'html':
-                        $this->data[$i][$key] = $this->_stripTags(pq($item)->html(),$tags);
-                        break;
-                    default:
-                        $this->data[$i][$key] = pq($item)->attr($reg_value[1]);
-                        break;
-                    }
-
-                    if(isset($reg_value[3])){
-                        $this->data[$i][$key] = call_user_func($reg_value[3],$this->data[$i][$key],$key);
-                    }else if(isset($this->regArr['callback'])){
-                        $this->data[$i][$key] = call_user_func($this->regArr['callback'],$this->data[$i][$key],$key);
-                    }
-
-                    $i++;
-                }
-            }
-        }
-        if ($this->outputEncoding) {
-            //编码转换
-            $this->data = $this->_arrayConvertEncoding($this->data, $this->outputEncoding, $this->htmlEncoding);
-        }
-        phpQuery::$documents = array();
-    }
-
-    /**
-     * URL请求
-     * @param $url
-     * @return string
-     */
-    private function _request($url)
-    {
-        if(function_exists('curl_init')){
-            $ch = curl_init();
-            curl_setopt($ch, CURLOPT_URL, $url);
-            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
-            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
-            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
-            curl_setopt($ch, CURLOPT_AUTOREFERER, true);
-            curl_setopt($ch, CURLOPT_REFERER, $url);
-            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-            curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.71 Safari/537.36');
-            $result = curl_exec($ch);
-            curl_close($ch);
-        }elseif(version_compare(PHP_VERSION, '5.0.0')>=0){
-            $opts = array(
-                'http' => array(
-                    'header' => "Referer:{$url}"
-                )
-            );
-            $result = file_get_contents($url,false,stream_context_create($opts));
-        }else{
-            $result = file_get_contents($url);
-        }
-        return $result;
-    }
-
-    /**
-     * 移除页面head区域代码
-     * @param $html
-     * @return mixed
-     */
-    private function _removeHead($html)
-    {
-        return preg_replace('/<head.+?>.+<\/head>/is','<head></head>',$html);
-    }
-
-    /**
-     * 获取文件编码
-     * @param $string
-     * @return string
-     */
-    private function _getEncode($string)
-    {
-        return mb_detect_encoding($string, array('ASCII', 'GB2312', 'GBK', 'UTF-8'));
-    }
-
-    /**
-     * 转换数组值的编码格式
-     * @param  array $arr           
-     * @param  string $toEncoding   
-     * @param  string $fromEncoding 
-     * @return array                
-     */
-    private function _arrayConvertEncoding($arr, $toEncoding, $fromEncoding)
-    {
-        eval('$arr = '.iconv($fromEncoding, $toEncoding.'//IGNORE', var_export($arr,TRUE)).';');
-        return $arr;
-    }
-
-    /**
-     * 简单的判断一下参数是否为一个URL链接
-     * @param  string  $str 
-     * @return boolean      
-     */
-    private function _isURL($str)
-    {
-        if (preg_match('/^http(s)?:\\/\\/.+/', $str)) {
-            return true;
-        }
-        return false;
-    }
-
-    /**
-     * 去除特定的html标签
-     * @param  string $html 
-     * @param  string $tags_str 多个标签名之间用空格隔开
-     * @return string       
-     */
-    private function _stripTags($html,$tags_str)
-    {
-        $tagsArr = $this->_tag($tags_str);
-        $html = $this->_removeTags($html,$tagsArr[1]);
-        $p = array();
-        foreach ($tagsArr[0] as $tag) {  
-            $p[]="/(<(?:\/".$tag."|".$tag.")[^>]*>)/i";  
-        }  
-        $html = preg_replace($p,"",trim($html));  
-        return $html;  
-    }
-
-    /**
-     * 保留特定的html标签
-     * @param  string $html 
-     * @param  string $tags_str 多个标签名之间用空格隔开
-     * @return string       
-     */
-    private function _allowTags($html,$tags_str)
-    {
-        $tagsArr = $this->_tag($tags_str);
-        $html = $this->_removeTags($html,$tagsArr[1]);
-        $allow = '';
-        foreach ($tagsArr[0] as $tag) {
-            $allow .= "<$tag> ";
-        }
-        return strip_tags(trim($html),$allow);
-    }
-
-    private function _tag($tags_str)
-    {
-        $tagArr = preg_split("/\s+/",$tags_str,-1,PREG_SPLIT_NO_EMPTY);
-        $tags = array(array(),array());
-        foreach($tagArr as $tag)
-        {
-            if(preg_match('/-(.+)/', $tag,$arr))
-            {
-                array_push($tags[1], $arr[1]);
-            }else{
-                array_push($tags[0], $tag);
-            }
-        }
-        return $tags;
-    }
-
-    /**
-     * 移除特定的html标签
-     * @param  string $html 
-     * @param  array  $tags 标签数组    
-     * @return string       
-     */
-    private function _removeTags($html,$tags)
-    {
-        $tag_str = '';
-        if(count($tags))
-        {
-            foreach ($tags as $tag) {
-                $tag_str .= $tag_str?','.$tag:$tag;
-            }
-            phpQuery::$defaultCharset = $this->inputEncoding?$this->inputEncoding:$this->htmlEncoding;
-            $doc = phpQuery::newDocumentHTML($html);
-            pq($doc)->find($tag_str)->remove();
-            $html = pq($doc)->htmlOuter();
-            $doc->unloadDocument();
-        }
-        return $html;
-    }
-
-    /**
-     * 打印日志
-     * @param string $message
-     * @param string $level
-     */
-    private function _log($message = '',$level = 'info')
-    {
-        if(!is_null(self::$logger))
-        {
-            $url = $this->_isURL($this->page)?$this->page:'[html]';
-            $count = count($this->data);
-            $level = empty($level)?($count?'info':'warning'):$level;
-            $message = empty($message)?($count?'Get data successfully':'Get data failed'):$message;
-            self::$logger->$level($message,array(
-                'page' => $url,
-                'count' => $count
-            ));
-        }
-    }
-}
-
-/*
-class Autoload
-{
-    public static function load($className)
-    {
-        $files = array(
-            sprintf('%s/extensions/%s.php',__DIR__,$className),
-            sprintf('%s/extensions/vendors/%s.php',__DIR__,$className)
-        );
-        foreach ($files as $file) {
-            if(is_file($file)){
-                require $file;
-                return true;
-            }
-        }
-        return false;
-    }
-}
-
-spl_autoload_register(array('Autoload','load'));
-
-*/
diff --git a/composer.json b/composer.json
index 3bebd45..da0a761 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "keywords":["QueryList","phpQuery","spider"],
     "homepage": "http://querylist.cc",
     "require": {
-        "PHP":">=5.3.0",
+        "PHP":">=5.6.0",
         "jaeger/phpquery-single": "^0.9"
     },
     "suggest":{
@@ -19,7 +19,7 @@
     ],
     "autoload":{
         "psr-4":{
-            "QL\\":""
+            "QL\\":"src"
         }
     }
 }
diff --git a/src/Dom.php b/src/Dom.php
new file mode 100644
index 0000000..6e3b1ff
--- /dev/null
+++ b/src/Dom.php
@@ -0,0 +1,15 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: iamhj
+ * Date: 2017/9/19
+ * Time: 2:00
+ */
+
+namespace QL;
+
+
+class Dom
+{
+
+}
\ No newline at end of file
diff --git a/src/QueryList.php b/src/QueryList.php
new file mode 100644
index 0000000..d1a93c8
--- /dev/null
+++ b/src/QueryList.php
@@ -0,0 +1,54 @@
+<?php
+namespace QL;
+use phpQuery;
+
+/**
+ * QueryList
+ *
+ * 一个基于phpQuery的通用列表采集类
+ *
+ * @author 			Jaeger
+ * @email 			JaegerCode@gmail.com
+ * @link            https://github.com/jae-jae/QueryList
+ * @version         4.0.0
+ *
+ */
+
+class QueryList
+{
+    private $html;
+    private $document;
+
+    /**
+     * QueryList constructor.
+     */
+    public function __construct()
+    {
+    }
+
+
+    /**
+     * @return mixed
+     */
+    public function getHtml()
+    {
+        return $this->html;
+    }
+
+    /**
+     * @param mixed $html
+     */
+    public function setHtml($html)
+    {
+        $this->html = $html;
+        $this->document = phpQuery::newDocumentHTML($this->html);
+        return $this;
+    }
+
+    public function find($selector)
+    {
+        return pq($this->document)->find($selector);
+    }
+
+
+}
\ No newline at end of file