diff --git a/Access.php b/Access.php
index c901827..2b0933e 100644
--- a/Access.php
+++ b/Access.php
@@ -8,7 +8,6 @@ class Access_Extend
     protected $request;
     protected $pageSize;
     protected $isDrop;
-    private static $_instance = null;
     public $action;
     public $title;
     public $logs = array();
@@ -283,4 +282,23 @@ class Access_Extend
         }
     }
 
+    public function isAdmin()
+    {
+        $hasLogin = Typecho_Widget::widget('Widget_User')->hasLogin();
+        if (!$hasLogin) {
+            return false;
+        }
+        $isAdmin = Typecho_Widget::widget('Widget_User')->pass('administrator', true);
+        return $isAdmin;
+    }
+
+    public function deleteLogs($ids)
+    {
+        foreach ($ids as $id) {
+            $this->db->query($this->db->delete($this->table)
+                    ->where('id = ?', $id)
+            );
+        }
+    }
+
 }
diff --git a/Action.php b/Action.php
index b6d2195..e43a69c 100644
--- a/Action.php
+++ b/Action.php
@@ -4,11 +4,14 @@ class Access_Action implements Widget_Interface_Do
 
     private $response;
     private $request;
+    private $extend;
 
     public function __construct()
     {
         $this->response = Typecho_Response::getInstance();
         $this->request = Typecho_Request::getInstance();
+        require_once __DIR__ . '/Access.php';
+        $this->extend = new Access_Extend();
     }
 
     public function execute()
@@ -21,9 +24,51 @@ class Access_Action implements Widget_Interface_Do
 
     public function ip()
     {
-        $ip = $this->request->get('ip');
-        $response = file_get_contents('http://ip.taobao.com/service/getIpInfo.php?ip=' . $ip);
-        exit($response);
+        $this->response->setContentType('application/json');
+        try {
+            $this->checkAuth();
+            $ip = $this->request->get('ip');
+            $response = file_get_contents('http://ip.taobao.com/service/getIpInfo.php?ip=' . $ip);
+            if (!$response) {
+                throw new Exception('HTTP request failed');
+            }
+            exit($response);
+        } catch (Exception $e) {
+            exit(Json::encode(array(
+                'code' => 100,
+                'message' => $e->getMessage(),
+            )));
+        }
+    }
+
+    public function deleteLogs()
+    {
+        $this->response->setContentType('application/json');
+        try {
+            $this->checkAuth();
+            $data = @file_get_contents('php://input');
+            $data = Json::decode($data, true);
+            if (!is_array($data)) {
+                throw new Exception('params invalid');
+            }
+            $this->extend->deleteLogs($data);
+            exit(Json::encode(array(
+                'code' => 0,
+            )));
+
+        } catch (Exception $e) {
+            exit(Json::encode(array(
+                'code' => 100,
+                'message' => $e->getMessage(),
+            )));
+        }
+    }
+
+    protected function checkAuth()
+    {
+        if (!$this->extend->isAdmin()) {
+            throw new Exception('Access Denied');
+        }
     }
 
 }
diff --git a/Plugin.php b/Plugin.php
index c72a40c..78b0335 100644
--- a/Plugin.php
+++ b/Plugin.php
@@ -4,7 +4,7 @@
  *
  * @package Access
  * @author Kokororin
- * @version 1.3
+ * @version 1.4
  * @link https://kotori.love
  */
 class Access_Plugin implements Typecho_Plugin_Interface
@@ -15,6 +15,7 @@ class Access_Plugin implements Typecho_Plugin_Interface
         $msg = Access_Plugin::install();
         Helper::addPanel(1, self::$panel, 'Access控制台', 'Access插件控制台', 'subscriber');
         Helper::addRoute("access_ip", "/access/ip.json", "Access_Action", 'ip');
+        Helper::addRoute("access_delete_logs", "/access/log/delete", "Access_Action", 'deleteLogs');
         Typecho_Plugin::factory('Widget_Archive')->header = array('Access_Plugin', 'start');
         Typecho_Plugin::factory('admin/footer.php')->end = array('Access_Plugin', 'adminFooter');
         return _t($msg);
@@ -31,20 +32,27 @@ class Access_Plugin implements Typecho_Plugin_Interface
         }
         Helper::removePanel(1, self::$panel);
         Helper::removeRoute("access_ip");
+        Helper::removeRoute("access_delete_logs");
     }
 
     public static function config(Typecho_Widget_Helper_Form $form)
     {
         $pageSize = new Typecho_Widget_Helper_Form_Element_Text(
-            'pageSize', null, '',
+            'pageSize', null, '10',
             '分页数量', '每页显示的日志数量');
         $isDrop = new Typecho_Widget_Helper_Form_Element_Radio(
             'isDrop', array(
                 '0' => '删除',
                 '1' => '不删除',
-            ), '', '删除数据表:', '请选择是否在禁用插件时，删除日志数据表');
+            ), '1', '删除数据表:', '请选择是否在禁用插件时，删除日志数据表');
+        $canAnalytize = new Typecho_Widget_Helper_Form_Element_Radio(
+            'canAnalytize', array(
+                '0' => '不允许',
+                '1' => '允许',
+            ), '1', '允许统计使用情况:', '请选择是否允许插件作者统计使用情况');
         $form->addInput($pageSize);
         $form->addInput($isDrop);
+        $form->addInput($canAnalytize);
     }
 
     public static function personalConfig(Typecho_Widget_Helper_Form $form)
@@ -94,48 +102,42 @@ class Access_Plugin implements Typecho_Plugin_Interface
         }
     }
 
-    public static function hasLogin()
-    {
-        $cookieUid = Typecho_Cookie::get('__typecho_uid');
-        if (null !== $cookieUid) {
-            $db = Typecho_Db::get();
-            $user = $db->fetchRow($db->select()->from('table.users')
-                    ->where('uid = ?', intval($cookieUid))
-                    ->limit(1));
-
-            $cookieAuthCode = Typecho_Cookie::get('__typecho_authCode');
-            if ($user && Typecho_Common::hashValidate($user['authCode'], $cookieAuthCode)) {
-                return true;
-            }
-            Typecho_Cookie::delete('__typecho_uid');
-            Typecho_Cookie::delete('__typecho_authCode');
-        }
-        return false;
-    }
-
     public static function start()
     {
-        if (self::hasLogin()) {
+        require_once __DIR__ . '/Access.php';
+        $extend = new Access_Extend();
+        if ($extend->isAdmin()) {
             return;
         }
         $config = Typecho_Widget::widget('Widget_Options')->plugin('Access');
 
         $request = Typecho_Request::getInstance();
         $ip = $request->getIp();
-        $url = $_SERVER['REQUEST_URI'];
+        $url = $request->getServer('REQUEST_URI');
         if ($ip == null) {
-            $ip = 'UnKnow';
+            $ip = 'UnKnown';
         }
         $options = Typecho_Widget::widget('Widget_Options');
         $timeStamp = $options->gmtTime;
         $offset = $options->timezone - $options->serverTimezone;
         $gtime = $timeStamp + $offset;
         $db = Typecho_Db::get();
+        $referer = Typecho_Cookie::get('__typecho_access_referer');
+        if ($referer == null) {
+            $referer = $request->getReferer();
+            if (strpos($referer, rtrim(Helper::options()->siteUrl, '/')) !== false) {
+                $referer = null;
+            }
+            if ($referer != null) {
+                Typecho_Cookie::set('__typecho_access_referer', $referer);
+            }
+        }
+
         $rows = array(
             'ua' => $request->getAgent(),
             'url' => $url,
             'ip' => $ip,
-            'referer' => $request->getReferer(),
+            'referer' => $referer,
             'referer_domain' => parse_url($request->getReferer(), PHP_URL_HOST),
             'date' => $gtime,
         );
diff --git a/README.md b/README.md
index a3a1c00..dba2c60 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,21 @@
 * ip归属地使用淘宝API
 * 管理员登录时不记录日志
 * 查看来源页和来源域名排名
+* 修复Referer记录错误的bug
+* 添加删除日志的功能
 
 ### 使用须知
 
-插件目录名请修改为Access
\ No newline at end of file
+* 插件更新升级时，请先禁用插件后再上传
+* 插件目录名请修改为Access
+
+### 图示
+![](https://kotori.love/usr/uploads/2015/12/4187563925.jpg)
+
+![A75B8F39-C8B6-4CD2-AFFC-784B3E27B8A4.png](https://kotori.love/usr/uploads/2015/12/2019049143.png)
+
+![](https://kotori.love/usr/uploads/2016/08/1564663056.png)
+
+![](https://kotori.love/usr/uploads/2016/08/1121750290.png)
+
+![BDEF004E-157E-4ADF-99C0-5EE65BDA61A6.png](https://kotori.love/usr/uploads/2016/11/3973345673.png)
\ No newline at end of file
diff --git a/page/console.php b/page/console.php
index 8451f3e..a75d112 100644
--- a/page/console.php
+++ b/page/console.php
@@ -31,7 +31,7 @@ $extend = new Access_Extend();
                             <div class="btn-group btn-drop">
                                 <button class="btn dropdown-toggle btn-s" type="button"><i class="sr-only"><?php _e('操作'); ?></i><?php _e('选中项'); ?> <i class="i-caret-down"></i></button>
                                 <ul class="dropdown-menu">
-                                    <li><a lang="<?php _e('你确认要删除这些记录吗?'); ?>" href="javascript:alert('这个功能并没有开发呢')"><?php _e('删除'); ?></a></li>
+                                    <li><a data-action="delete" href="javascript:;"><?php _e('删除'); ?></a></li>
                                 </ul>
                             </div>  
                         </div>
@@ -75,8 +75,8 @@ $extend = new Access_Extend();
                         <tbody>
                             <?php if(!empty($extend->logs['list'])): ?>
                             <?php foreach ($extend->logs['list'] as $log): ?>
-                            <tr id="<?php echo $log['id']; ?>">
-                                <td><input type="checkbox" value="<?php echo $log['id']; ?>" name="id[]"/></td>
+                            <tr id="<?php echo $log['id']; ?>" data-id="<?php echo $log['id']; ?>">
+                                <td><input type="checkbox" data-id="<?php echo $log['id']; ?>" value="<?php echo $log['id']; ?>" name="id[]"/></td>
                                 <td><a target="_blank" href="<?php echo str_replace("%23", "#", $log['url']); ?>"><?php echo urldecode(str_replace("%23", "#", $log['url'])); ?></a></td>
                                 <td><a data-action="ua" href="#" title="<?php echo $log['ua'];?>"><?php echo $extend->parseUA($log['ua']); ?></a></td>
                                 <td><a data-action="ip" data-ip="<?php echo $log['ip']; ?>" href="#"><?php echo $log['ip']; ?></a></td>
@@ -102,7 +102,7 @@ $extend = new Access_Extend();
                             <div class="btn-group btn-drop">
                                 <button class="btn dropdown-toggle btn-s" type="button"><i class="sr-only"><?php _e('操作'); ?></i><?php _e('选中项'); ?> <i class="i-caret-down"></i></button>
                                 <ul class="dropdown-menu">
-                                    <li><a lang="<?php _e('你确认要删除这些记录吗?'); ?>" href="javascript:alert('这个功能并没有开发呢')"><?php _e('删除'); ?></a></li>
+                                    <li><a data-action="delete" href="javascript:;"><?php _e('删除'); ?></a></li>
                                 </ul>
                             </div>         
                         </div>
@@ -265,18 +265,18 @@ $(document).ready(function() {
             dataType: 'json',
             data: {ip: $(this).data('ip')},
             success: function(data) {
-                if (data.code == 0){
+                if (data.code == 0) {
                     swal({   
                         title: "IP查询成功",   
                         text: data.data.country + data.data.area + data.data.city + data.data.country + data.data.isp,   
-                        type: "info",  
+                        type: "success",  
                         confirmButtonText: "OK" 
                         });               
                 } else {
                     swal({   
                         title: "IP查询失败",   
                         text: '接口返回状态码错误',   
-                        type: "info",  
+                        type: "warning",  
                         confirmButtonText: "OK" 
                         }); 
                 }
@@ -285,13 +285,61 @@ $(document).ready(function() {
                     swal({   
                         title: "IP查询失败",   
                         text: '网络异常或PHP环境配置异常',   
-                        type: "info",  
+                        type: "warning",  
                         confirmButtonText: "OK" 
                     }); 
             }
         });
         return false;
     });
+
+    $('.dropdown-menu a[data-action="delete"]').click(function() {
+        swal({
+          title: "你确定?",
+          text: "你确认要删除这些记录吗?",
+          type: "warning",
+          showCancelButton: true,
+          confirmButtonColor: "#DD6B55",
+          confirmButtonText: "是的",
+          cancelButtonText: "算啦",
+          closeOnConfirm: false
+        }, function() {
+                var ids = [];
+                $('.typecho-list-table input[type="checkbox"]').each(function(index, elem) {
+                    if (elem.checked) {
+                        ids.push($(elem).data('id'));
+                    }
+                });
+
+                if (ids.length == 0) {
+                    return swal("错误", "你并没有勾选任何内容", "warning");
+                }
+                $.ajax({
+                    url: '<?php echo rtrim(Helper::options()->index, '/').'/access/log/delete';?>',
+                    method: 'post',
+                    dataType: 'json',
+                    contentType: 'application/json',
+                    data: JSON.stringify(ids),
+                    success: function(data) {
+                        if (data.code == 0) {
+                            swal("删除成功", "所选记录已删除", "success");
+                            $.each(ids, function(index, elem) {
+                                $('.typecho-list-table tbody tr[data-id="' + elem + '"]').fadeOut(500).remove();
+                            });
+                        } else {
+                            swal({   
+                                title: "错误",   
+                                text: '发生错误了',   
+                                type: "warning",  
+                                confirmButtonText: "OK" 
+                                }); 
+                        }
+                    }
+                });
+        });
+        var t = $(this);
+        t.parents('.dropdown-menu').hide().prev().removeClass('active');
+    });
 });
 </script>
 <script src="<?php $options->pluginUrl('Access/lib/sweetalert/sweetalert.min.js')?>"></script>
@@ -346,6 +394,21 @@ $(document).ready(function() {
 
 </script>
 <?php endif;?>
+<?php if (Typecho_Widget::widget('Widget_Options')->plugin('Access') == 1):?>
+<script type="text/javascript">
+  var _paq = _paq || [];
+  _paq.push(['trackPageView']);
+  _paq.push(['enableLinkTracking']);
+  (function() {
+    var u="//analytics.kotori.love/";
+    _paq.push(['setTrackerUrl', u+'piwik.php']);
+    _paq.push(['setSiteId', '3']);
+    var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+    g.type='text/javascript'; g.async=true; g.defer=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
+  })();
+</script>
+<noscript><p><img src="//analytics.kotori.love/piwik.php?idsite=3" style="border:0;" alt="" /></p></noscript>
+<?php endif;?>
 <?php
 include 'footer.php';
 ?>
\ No newline at end of file