diff --git a/QueryList.class.php b/QueryList.class.php
index 16c3e6b..3666f2d 100644
--- a/QueryList.class.php
+++ b/QueryList.class.php
@@ -7,7 +7,7 @@
  * @author 			Jaeger
  * @email 			734708094@qq.com
  * @link            http://git.oschina.net/jae/QueryList
- * @version         2.2.0     
+ * @version         2.2.1     
  *
  * @example 
  *
@@ -55,6 +55,8 @@ class QueryList
     private $outputEncoding;
     private $htmlEncoding;
     private static $ql;
+    private 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
@@ -119,7 +121,7 @@ class QueryList
         }
         //获取编码格式
         $this->htmlEncoding = $this->_getEncode($this->html);
-        $this->html = $this->_removeTags($this->html,array('script','style'));
+        // $this->html = $this->_removeTags($this->html,array('script','style'));
         if (!empty($regArr)) {
             $this->regArr = $regArr;
             $this->regRange = $regRange;
diff --git a/demo/demo.php b/demo/demo.php
index 63eb10b..dc4c7c6 100644
--- a/demo/demo.php
+++ b/demo/demo.php
@@ -1,17 +1,20 @@
 <?php
 require '../QueryList.class.php';
-
+header('Content-type:text/html;charset=utf-8');
 //采集OSC的代码分享列表，标题 链接 作者
 $url = "http://www.oschina.net/code/list";
 $reg = array("title"=>array(".code_title a:eq(0)","text"),"url"=>array(".code_title a:eq(0)","href"),"author"=>array("img","title"));
 $rang = ".code_list li";
-//使用curl抓取源码并以GB2312编码格式输出
-$hj = QueryList::Query($url,$reg,$rang,'curl','GB2312');
+//使用curl抓取源码并以GBK编码格式输出
+$hj = QueryList::Query($url,$reg,$rang,'curl','GBK');
 $arr = $hj->jsonArr;
 echo "<pre>";
 print_r($arr);
 echo "</pre><hr/>";
 
+echo '上面的是GBK格式输出的，而页面是UTF-8格式的，所以会看到输出是乱码！';
+echo '<hr/>';
+
 //如果还想采当前页面右边的 TOP40活跃贡献者 图像，得到JSON数据,可以这样写
 $reg = array("portrait"=>array(".hot_top img","src"));
 $hj->setQuery($reg);
@@ -25,4 +28,41 @@ $hj = QueryList::Query($url,$reg);
 $arr = $hj->jsonArr;
 echo "<pre>";
 print_r($arr);
-echo "</pre><hr/>";
\ No newline at end of file
+echo "</pre><hr/>";
+
+//抓取网站基本信息
+//设置规则
+$reg = array(
+    //抓取网站keywords
+    "kw" => array("meta[name=keywords]","content"),
+    //抓取网站描述
+    "desc" => array("meta[name=description]","content"),
+    //抓取网站标题
+    "title" => array("title","text"),
+    //抓取网站第一个css link的链接
+    "css1" => array("link:eq(0)","href"),
+    //抓取网站第二个js link的链接
+    "js2" => array("script[src]:eq(1)","src")
+  );
+//抓取的目标站
+$url = 'http://x.44i.cc/';
+//抓取
+$data = QueryList::Query($url,$reg)->jsonArr;
+print_r($data);
+
+//下面单独演示回调函数的用法
+//抓取网站keywords并分离每个关键词
+$reg = array(
+        //抓取网站keywords,并调用自定义函数fun
+        "kw" => array("meta[name=keywords]","content",'','fun')
+    );
+//自定义回调函数
+function fun($content,$key){
+    //分离关键词
+    return explode(',', $content);
+}
+//抓取的目标站
+$url = 'http://x.44i.cc/';
+//抓取
+$data = QueryList::Query($url,$reg)->jsonArr;
+print_r($data);
\ No newline at end of file
diff --git a/demo/一个完整的DEMO项目.rar b/demo/一个完整的DEMO项目.rar
deleted file mode 100644
index c50397c..0000000
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diff --git a/demo/一个完整的DEMO项目.zip b/demo/一个完整的DEMO项目.zip
new file mode 100644
index 0000000..74d997e
Binary files /dev/null and b/demo/一个完整的DEMO项目.zip differ