diff --git a/helper.php b/helper.php
index 0c8e590b..e57e6555 100644
--- a/helper.php
+++ b/helper.php
@@ -387,7 +387,7 @@ function view($template = '', $vars = [], $code = 200)
  * 获取\think\response\Json对象实例
  * @param mixed $data 返回的数据
  * @param integer $code 状态码
- * @param array $options 参数状
+ * @param array $options 参数
  * @return \think\response\Json
  */
 function json($data = [], $code = 200, $options = [])
@@ -396,6 +396,19 @@ function json($data = [], $code = 200, $options = [])
     return $response->data($data)->code($code);
 }
 
+/**
+ * 获取\think\response\Xml对象实例
+ * @param mixed $data 返回的数据
+ * @param integer $code 状态码
+ * @param array $options 参数
+ * @return \think\response\Xml
+ */
+function xml($data = [], $code = 200, $options = [])
+{
+    $response = new \think\response\Xml($options);
+    return $response->data($data)->code($code);
+}
+
 /**
  * 获取\think\response\Redirect对象实例
  * @param mixed $url 重定向地址 支持Url::build方法的地址
diff --git a/library/think/App.php b/library/think/App.php
index 35184fb5..84d69872 100644
--- a/library/think/App.php
+++ b/library/think/App.php
@@ -13,8 +13,6 @@ namespace think;
 
 use think\exception\HttpResponseException;
 use think\Response;
-use think\response\Json;
-use think\response\Jsonp;
 
 /**
  * App 应用管理
@@ -119,20 +117,12 @@ class App
                 // 监听app_end
                 APP_HOOK && Hook::listen('app_end', $data);
                 $type = IS_AJAX ? Config::get('default_ajax_return') : Config::get('default_return_type');
-                switch ($type) {
-                    case 'json':
-                        $response = new Json($data);
-                        break;
-                    case 'jsonp':
-                        $response = new Jsonp($data);
-                        break;
-                    case 'html':
-                    default:
-                        $response = new Response($data, $type);
-                        break;
+                if (in_array(strtolower($type), ['json', 'jsonp', 'xml'])) {
+                    $class = '\\think\\response\\' . ucfirst($type);
+                } else {
+                    $class = '\\think\\Response';
                 }
-                // 自动响应输出
-                return $response->send();
+                return (new $class($data, $type))->send();
             }
         }
     }
diff --git a/library/think/response/Xml.php b/library/think/response/Xml.php
new file mode 100644
index 00000000..3a2c59bd
--- /dev/null
+++ b/library/think/response/Xml.php
@@ -0,0 +1,95 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+namespace think\response;
+
+use think\Response;
+
+class Xml extends Response
+{
+    // 输出参数
+    protected $options = [
+        // 根节点名
+        'root_node' => 'think',
+        // 根节点属性
+        'root_attr' => '',
+        //数字索引的子节点名
+        'item_node' => 'item',
+        // 数字索引子节点key转换的属性名
+        'item_key'  => 'id',
+        // 数据编码
+        'encoding'  => 'utf-8',
+    ];
+
+    protected $contentType = 'text/xml';
+
+    /**
+     * 处理数据
+     * @access protected
+     * @param mixed $data 要处理的数据
+     * @return mixed
+     */
+    protected function output($data)
+    {
+        // XML数据转换
+        return $this->xmlEncode($data, $this->options['root_node'], $this->options['item_node'], $this->options['root_attr'], $this->options['item_key'], $this->options['encoding']);
+    }
+
+    /**
+     * XML编码
+     * @param mixed $data 数据
+     * @param string $root 根节点名
+     * @param string $item 数字索引的子节点名
+     * @param string $attr 根节点属性
+     * @param string $id   数字索引子节点key转换的属性名
+     * @param string $encoding 数据编码
+     * @return string
+     */
+    protected function xmlEncode($data, $root, $item, $attr, $id, $encoding)
+    {
+        if (is_array($attr)) {
+            $array = [];
+            foreach ($attr as $key => $value) {
+                $array[] = "{$key}=\"{$value}\"";
+            }
+            $attr = implode(' ', $array);
+        }
+        $attr = trim($attr);
+        $attr = empty($attr) ? '' : " {$attr}";
+        $xml  = "<?xml version=\"1.0\" encoding=\"{$encoding}\"?>";
+        $xml .= "<{$root}{$attr}>";
+        $xml .= $this->dataToXml($data, $item, $id);
+        $xml .= "</{$root}>";
+        return $xml;
+    }
+
+    /**
+     * 数据XML编码
+     * @param mixed  $data 数据
+     * @param string $item 数字索引时的节点名称
+     * @param string $id   数字索引key转换为的属性名
+     * @return string
+     */
+    protected function dataToXml($data, $item, $id)
+    {
+        $xml = $attr = '';
+        foreach ($data as $key => $val) {
+            if (is_numeric($key)) {
+                $id && $attr = " {$id}=\"{$key}\"";
+                $key         = $item;
+            }
+            $xml .= "<{$key}{$attr}>";
+            $xml .= (is_array($val) || is_object($val)) ? $this->dataToXml($val, $item, $id) : $val;
+            $xml .= "</{$key}>";
+        }
+        return $xml;
+    }
+}