diff --git a/extend/seven/taglib/Xs.php b/extend/seven/taglib/Xs.php
new file mode 100644
index 00000000..833ada58
--- /dev/null
+++ b/extend/seven/taglib/Xs.php
@@ -0,0 +1,123 @@
+<?php
+/**
+ * @desc: 自定义标签库
+ * @Author: Dr.Xing <ezfwork@foxmail.com>
+ * @Since: 2018/2/1 19:33
+ */
+
+namespace seven\taglib;
+
+
+use think\template\TagLib;
+use think\Db;
+
+
+class Xs extends Taglib
+{
+
+    protected $tags = [
+        'nav' => ['attr' => 'name,showlevel', 'close'=> 0],
+        'posts' => ['attr' => 'name,ids,cid,field,limit,order,where,ispage,pagesize,type,key', 'close' => 0],
+        'ad' => ['attr' => 'id', 'close' => 0],
+    ];
+
+    public function tagAd($tag)
+    {
+        if (isset($tag['id']) && !empty($tag['id'])) {
+            $id = intval($tag['id']);
+            $parseStr = '<?php ';
+            $parseStr .= 'echo get_ad(' . $id . ');';
+            $parseStr .= "?>";
+            return $parseStr;
+        }
+        return;
+    }
+
+    public function tagNav($tag)
+    {
+        $name = isset($tag['name']) ? $tag['name'] : '' ; //导航ID
+        $class = isset($tag['class']) ? $tag['class'] : ''; //导航css
+        $extend = isset($tag['extend']) ? $tag['extend'] : ''; //导航附加属性
+        $name = preg_replace('/(\w+)/i','${1}',$name);
+        $class = str_replace('"', "'", $class);
+        $extend = str_replace('"', "'", $extend);
+        $navwrapattr= 'id:'.$name.';class:'.$class.';extend:'.$extend.';';
+
+        $itemclass = isset($tag['itemclass']) ? $tag['itemclass'] : ''; //菜单项css
+        $itemextend = isset($tag['itemextend']) ? $tag['itemextend'] : ''; //菜单项附加属性
+        $itemclass = str_replace('"', "'", $itemclass);
+        $itemextend = str_replace('"', "'", $itemextend);
+
+        $childwrap = isset($tag['childwrap']) ? $tag['childwrap'] : ''; //子菜单项的外围标签
+        $childclass = isset($tag['childclass']) ? $tag['childclass'] : ''; //子菜单项的外围标签css
+        $childextend = isset($tag['childextend']) ? $tag['childextend'] : ''; //子菜单项的外围附加属性
+        $childwrap = preg_replace('/(\w+)/i','${1}',$childwrap);
+        $childextend = str_replace('"', "'", $childextend);
+        $childclass = str_replace('"', "'", $childclass);
+        $childwrapattr = 'wrap:'.$childwrap.';class:'.$childclass.';extend:'.$childextend.';';
+
+        $itemtpl = '';
+        if($itemclass!='' && $itemextend!='')
+            $itemtpl = "<li><a class='".$itemclass."' ".$itemextend." href='#href'>#name</a> #childlist</li>";
+
+        $parseStr = '<?php ';
+        $parseStr .= 'echo get_nav("' . $navwrapattr . '","' . $itemtpl . '","' . $childwrapattr . '");';
+        $parseStr .= "?>";
+        if (!empty($parseStr)) {
+            return $parseStr;
+        }
+        return;
+    }
+
+
+    /**
+     * 返回文章(列表/单篇)
+     * @param $tag
+     * @return string
+     */
+    public function tagPosts($tag)
+    {
+        $name   = $tag['name']; //供后期volist/foreach调用的名称
+        $ids    = isset($tag['ids']) ? $tag['ids'] : ''; //获取单篇文章id
+        $cid    = isset($tag['cid']) ? $tag['cid'] : ''; //栏目id
+        $field  = isset($tag['field']) ? $tag['field'] : ''; //获取字段
+        $limit  = isset($tag['limit']) ? $tag['limit'] : ''; //获取数量
+        $order  = isset($tag['order']) ? $tag['order'] : ''; //排序
+        $where  = isset($tag['where']) ? $tag['where'] : ''; //条件
+        $ispage = isset($tag['ispage']) ? $tag['ispage'] : 'false'; //是否分页，默认不分页
+        $pagesize = !empty($tag['ispage']) && !empty($tag['pagesize']) && is_numeric($tag['pagesize'])
+            ? intval($tag['pagesize'])
+            : 10; //config('posts.pagesize');
+
+        //$where=var_export($where, true);
+
+        $options= "ids:".$ids.';cid:'.$cid.';field:'.$field.';limit:'.$limit.';order:'.$order.';where:'.$where.';';
+
+        $parseStr = '<?php ';
+        $parseStr .='$'.$name .'=get_posts("'.$options.'",null,'.$ispage.',"'.$pagesize.'");';
+        $parseStr .="?>";
+
+        if (!empty($parseStr)) {
+            return $parseStr;
+        }
+        return;
+    }
+
+    /**
+     * 返回singlepage的menu
+     * @param $tag
+     * @return string
+     */
+    public function tagMenu($tag)
+    {
+        $name   = $tag['name'];
+        $menuid    = isset($tag['menuid']) ? $tag['menuid'] : '';
+        $parseStr = '<?php ';
+        $parseStr .='$'.$name .'=get_menu('.'"'.$menuid.'");';
+        $parseStr .="?>";
+        if (!empty($parseStr)) {
+            return $parseStr;
+        }
+        return;
+    }
+}
\ No newline at end of file