diff --git a/Access_Core.php b/Access_Core.php
index 1b36d08..adfb551 100644
--- a/Access_Core.php
+++ b/Access_Core.php
@@ -9,6 +9,7 @@ class Access_Core
     protected $prefix;
     protected $table;
     public $config;
+    protected $response;
     protected $request;
     protected $pageSize;
     protected $isDrop;
@@ -25,6 +26,7 @@ class Access_Core
         $this->prefix = $this->db->getPrefix();
         $this->table = $this->prefix . 'access';
         $this->config = Typecho_Widget::widget('Widget_Options')->plugin('Access');
+        $this->response = Typecho_Response::getInstance();
         $this->request = Typecho_Request::getInstance();
         $this->pageSize = $this->config->pageSize;
         $this->isDrop = $this->config->isDrop;
@@ -176,4 +178,48 @@ class Access_Core
         }
     }
 
+    public function getReferer()
+    {
+        $referer = Typecho_Cookie::get('__typecho_access_referer');
+        if ($referer == null) {
+            $referer = $this->request->getReferer();
+            if (strpos($referer, rtrim(Helper::options()->siteUrl, '/')) !== false) {
+                $referer = null;
+            }
+            if ($referer != null) {
+                Typecho_Cookie::set('__typecho_access_referer', $referer);
+            }
+        }
+        return $referer;
+    }
+
+    public function writeLogs($url = null)
+    {
+        if ($this->isAdmin()) {
+            return;
+        }
+        $ip = $this->request->getIp();
+        if ($url == null) {
+            $url = $this->request->getServer('REQUEST_URI');
+        }
+        if ($ip == null) {
+            $ip = 'UnKnown';
+        }
+
+        $timeStamp = Helper::options()->gmtTime;
+        $offset = Helper::options()->timezone - Helper::options()->serverTimezone;
+        $gtime = $timeStamp + $offset;
+        $referer = $this->getReferer();
+        $rows = array(
+            'ua' => $this->request->getAgent(),
+            'url' => $url,
+            'ip' => $ip,
+            'referer' => $referer,
+            'referer_domain' => parse_url($this->request->getReferer(), PHP_URL_HOST),
+            'date' => $gtime,
+        );
+
+        $this->db->query($this->db->insert('table.access')->rows($rows));
+    }
+
 }
diff --git a/Access_Ip.php b/Access_Ip.php
new file mode 100644
index 0000000..ec064f9
--- /dev/null
+++ b/Access_Ip.php
@@ -0,0 +1,89 @@
+<?php
+if (!defined('__ACCESS_PLUGIN_ROOT__')) {
+    throw new Exception('Boostrap file not found');
+}
+
+class Access_Ip
+{
+    private static $ip = null;
+
+    private static $fp = null;
+    private static $offset = null;
+    private static $index = null;
+
+    private static $cached = array();
+
+    public static function find($ip)
+    {
+        if (empty($ip) === true) {
+            return 'N/A';
+        }
+
+        $nip = gethostbyname($ip);
+        $ipdot = explode('.', $nip);
+
+        if ($ipdot[0] < 0 || $ipdot[0] > 255 || count($ipdot) !== 4) {
+            return 'N/A';
+        }
+
+        if (isset(self::$cached[$nip]) === true) {
+            return self::$cached[$nip];
+        }
+
+        if (self::$fp === null) {
+            self::init();
+        }
+
+        $nip2 = pack('N', ip2long($nip));
+
+        $tmp_offset = (int) $ipdot[0] * 4;
+        $start = unpack('Vlen', self::$index[$tmp_offset] . self::$index[$tmp_offset + 1] . self::$index[$tmp_offset + 2] . self::$index[$tmp_offset + 3]);
+
+        $index_offset = $index_length = null;
+        $max_comp_len = self::$offset['len'] - 1024 - 4;
+        for ($start = $start['len'] * 8 + 1024; $start < $max_comp_len; $start += 8) {
+            if (self::$index{$start} . self::$index{$start + 1} . self::$index{$start + 2} . self::$index{$start + 3} >= $nip2) {
+                $index_offset = unpack('Vlen', self::$index{$start + 4} . self::$index{$start + 5} . self::$index{$start + 6} . "\x0");
+                $index_length = unpack('Clen', self::$index{$start + 7});
+
+                break;
+            }
+        }
+
+        if ($index_offset === null) {
+            return 'N/A';
+        }
+
+        fseek(self::$fp, self::$offset['len'] + $index_offset['len'] - 1024);
+
+        self::$cached[$nip] = explode("\t", fread(self::$fp, $index_length['len']));
+
+        return self::$cached[$nip];
+    }
+
+    private static function init()
+    {
+        if (self::$fp === null) {
+            self::$ip = new self();
+
+            self::$fp = fopen(__ACCESS_PLUGIN_ROOT__ . '/lib/17monipdb.dat', 'rb');
+            if (self::$fp === false) {
+                throw new Exception('Invalid 17monipdb.dat file!');
+            }
+
+            self::$offset = unpack('Nlen', fread(self::$fp, 4));
+            if (self::$offset['len'] < 4) {
+                throw new Exception('Invalid 17monipdb.dat file!');
+            }
+
+            self::$index = fread(self::$fp, self::$offset['len'] - 4);
+        }
+    }
+
+    public function __destruct()
+    {
+        if (self::$fp !== null) {
+            fclose(self::$fp);
+        }
+    }
+}
diff --git a/Action.php b/Action.php
index d80481f..afe6996 100644
--- a/Action.php
+++ b/Action.php
@@ -22,17 +22,32 @@ class Access_Action implements Widget_Interface_Do
     {
     }
 
+    public function writeLogs()
+    {
+        $this->access->writeLogs($this->request->u);
+        $this->response->setStatus(206);
+        exit;
+    }
+
     public function ip()
     {
         $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');
+            $response = Access_Ip::find($ip);
+            if (is_array($response)) {
+                $response = array(
+                    'code' => 0,
+                    'data' => implode(' ', $response),
+                );
+            } else {
+                $response = array(
+                    'code' => 100,
+                    'message' => '解析ip失败',
+                );
             }
-            exit($response);
+            exit(Json::encode($response));
         } catch (Exception $e) {
             exit(Json::encode(array(
                 'code' => 100,
diff --git a/Plugin.php b/Plugin.php
index 06b7c60..cde7e26 100644
--- a/Plugin.php
+++ b/Plugin.php
@@ -4,7 +4,7 @@
  *
  * @package Access
  * @author Kokororin
- * @version 1.5
+ * @version 1.6
  * @link https://kotori.love
  */
 class Access_Plugin implements Typecho_Plugin_Interface
@@ -14,9 +14,11 @@ 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_write_logs", "/access/log/write.json", "Access_Action", 'writeLogs');
         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')->beforeRender = array('Access_Plugin', 'start');
+        Helper::addRoute("access_delete_logs", "/access/log/delete.json", "Access_Action", 'deleteLogs');
+        Typecho_Plugin::factory('Widget_Archive')->beforeRender = array('Access_Plugin', 'backend');
+        Typecho_Plugin::factory('Widget_Archive')->footer = array('Access_Plugin', 'frontend');
         Typecho_Plugin::factory('admin/footer.php')->end = array('Access_Plugin', 'adminFooter');
         return _t($msg);
     }
@@ -31,6 +33,7 @@ class Access_Plugin implements Typecho_Plugin_Interface
             $db->query("DROP TABLE `" . $prefix . "access`", Typecho_Db::WRITE);
         }
         Helper::removePanel(1, self::$panel);
+        Helper::removeRoute("access_write_logs");
         Helper::removeRoute("access_ip");
         Helper::removeRoute("access_delete_logs");
     }
@@ -45,6 +48,11 @@ class Access_Plugin implements Typecho_Plugin_Interface
                 '0' => '删除',
                 '1' => '不删除',
             ), '1', '删除数据表:', '请选择是否在禁用插件时，删除日志数据表');
+        $writeType = new Typecho_Widget_Helper_Form_Element_Radio(
+            'writeType', array(
+                '0' => '后端',
+                '1' => '前端',
+            ), '0', '日志写入类型:', '请选择日志写入类型，数据量大时（几万以上），后端写入可能会拖慢博客访问速度');
         $canAnalytize = new Typecho_Widget_Helper_Form_Element_Radio(
             'canAnalytize', array(
                 '0' => '不允许',
@@ -52,6 +60,7 @@ class Access_Plugin implements Typecho_Plugin_Interface
             ), '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);
+        $form->addInput($writeType);
         $form->addInput($canAnalytize);
     }
 
@@ -92,7 +101,10 @@ class Access_Plugin implements Typecho_Plugin_Interface
             return '成功创建数据表，插件启用成功，' . $configLink;
         } catch (Typecho_Db_Exception $e) {
             $code = $e->getCode();
-            if (('Mysql' == $type && $code == (1050 || '42S01'))) {
+            if ($type != 'Mysql') {
+                throw new Typecho_Plugin_Exception('你的适配器为' . $type . '，目前只支持Mysql');
+            }
+            if ($code == (1050 || '42S01')) {
                 $script = 'SELECT * from `' . $prefix . 'access`';
                 $installDb->query($script, Typecho_Db::READ);
                 if (!array_key_exists('referer', $installDb->fetchRow($installDb->select()->from('table.access')))) {
@@ -103,50 +115,29 @@ class Access_Plugin implements Typecho_Plugin_Interface
             } else {
                 throw new Typecho_Plugin_Exception('数据表建立失败，插件启用失败。错误号：' . $code);
             }
+        } catch (Exception $e) {
+            throw new Typecho_Plugin_Exception($e->getMessage());
         }
     }
 
-    public static function start($archive)
+    public static function backend($archive)
     {
         require_once __DIR__ . '/Access_Bootstrap.php';
         $access = new Access_Core();
-        if ($access->isAdmin()) {
-            return;
-        }
+        $access->getReferer();
         $config = Typecho_Widget::widget('Widget_Options')->plugin('Access');
 
-        $request = Typecho_Request::getInstance();
-        $ip = $request->getIp();
-        $url = $request->getServer('REQUEST_URI');
-        if ($ip == null) {
-            $ip = 'UnKnown';
+        if ($config->writeType == 0) {
+            $access->writeLogs();
         }
-        $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);
-            }
+    }
+
+    public static function frontend()
+    {
+        $config = Typecho_Widget::widget('Widget_Options')->plugin('Access');
+        if ($config->writeType == 1) {
+            echo '<script type="text/javascript">(function(){var xhr=new XMLHttpRequest();xhr.open("GET","' . rtrim(Helper::options()->index, '/') . '/access/log/write.json?u="+location.pathname+location.search+location.hash' . ',true);xhr.send();})();</script>';
         }
-
-        $rows = array(
-            'ua' => $request->getAgent(),
-            'url' => $url,
-            'ip' => $ip,
-            'referer' => $referer,
-            'referer_domain' => parse_url($request->getReferer(), PHP_URL_HOST),
-            'date' => $gtime,
-        );
-        $db->query($db->insert('table.access')->rows($rows));
-
     }
 
     public static function adminFooter()
diff --git a/lib/17monipdb.dat b/lib/17monipdb.dat
new file mode 100755
index 0000000..a24080b
Binary files /dev/null and b/lib/17monipdb.dat differ
diff --git a/page/console.php b/page/console.php
index f158032..9937f83 100644
--- a/page/console.php
+++ b/page/console.php
@@ -254,7 +254,7 @@ $(document).ready(function() {
     $('a[data-action="ip"]').click(function() {
         swal({   
             title: "IP查询中...",   
-            text: '正在请求Taobao API...',   
+            text: '正在查询...',   
             type: "info",  
             confirmButtonText: "OK" 
         });
@@ -267,7 +267,7 @@ $(document).ready(function() {
                 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,   
+                        text: data.data,   
                         type: "success",  
                         confirmButtonText: "OK" 
                         });               
@@ -314,7 +314,7 @@ $(document).ready(function() {
                     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';?>',
+                    url: '<?php echo rtrim(Helper::options()->index, '/').'/access/log/delete.json';?>',
                     method: 'post',
                     dataType: 'json',
                     contentType: 'application/json',