diff --git a/library/think/controller/rest.php b/library/think/controller/rest.php
index d5baa96a..4b6d2009 100644
--- a/library/think/controller/rest.php
+++ b/library/think/controller/rest.php
@@ -10,40 +10,44 @@
 // +----------------------------------------------------------------------
 
 namespace think\controller;
+
 use think\Response;
 
-abstract class rest {
+abstract class rest
+{
 
-    protected   $_method    =   ''; // 当前请求类型
-    protected   $_type      =   ''; // 当前资源类型
+    protected $_method = ''; // 当前请求类型
+    protected $_type   = ''; // 当前资源类型
     // 输出类型
-    protected   $restMethodList           =   'get|post|put|delete';
-    protected   $restDefaultMethod        =   'get';
-    protected   $restTypeList             =   'html|xml|json|rss';
-    protected   $restDefaultType          =   'html';
-    protected   $restOutputType           =   [ // REST允许输出的资源类型列表
-            'xml'   =>  'application/xml',
-            'json'  =>  'application/json',
-            'html'  =>  'text/html',
-        ];
-    
-   /**
+    protected $restMethodList    = 'get|post|put|delete';
+    protected $restDefaultMethod = 'get';
+    protected $restTypeList      = 'html|xml|json|rss';
+    protected $restDefaultType   = 'html';
+    protected $restOutputType    = [// REST允许输出的资源类型列表
+        'xml'  => 'application/xml',
+        'json' => 'application/json',
+        'html' => 'text/html',
+    ];
+
+    /**
      * 架构函数 取得模板对象实例
      * @access public
      */
-    public function __construct() {
+    public function __construct()
+    {
         // 资源类型检测
-        if(''==__EXT__) { // 自动检测资源类型
-            $this->_type   =  $this->getAcceptType();
-        }elseif(!preg_match('/\('.$this->restTypeList.')$/i',__EXT__)) {
+        if ('' == __EXT__) {
+            // 自动检测资源类型
+            $this->_type = $this->getAcceptType();
+        } elseif (!preg_match('/\(' . $this->restTypeList . ')$/i', __EXT__)) {
             // 资源类型非法 则用默认资源类型访问
-            $this->_type   =  $this->restDefaultType;
-        }else{
-            $this->_type   =  __EXT__;
+            $this->_type = $this->restDefaultType;
+        } else {
+            $this->_type = __EXT__;
         }
         // 请求方式检测
-        $method  =  strtolower($_SERVER['REQUEST_METHOD']);
-        if(false === stripos($this->restMethodList,$method)) {
+        $method = strtolower($_SERVER['REQUEST_METHOD']);
+        if (false === stripos($this->restMethodList, $method)) {
             // 请求方式非法 则用默认请求方法
             $method = $this->restDefaultMethod;
         }
@@ -57,19 +61,21 @@ abstract class rest {
      * @param array $args 参数
      * @return mixed
      */
-    public function _empty($method,$args) {
-        if(method_exists($this,$method.'_'.$this->_method.'_'.$this->_type)) { // RESTFul方法支持
-            $fun  =  $method.'_'.$this->_method.'_'.$this->_type;
-        }elseif($this->_method == $this->restDefaultMethod && method_exists($this,$method.'_'.$this->_type) ){
-            $fun  =  $method.'_'.$this->_type;
-        }elseif($this->_type == $this->restDefaultType && method_exists($this,$method.'_'.$this->_method) ){
-            $fun  =  $method.'_'.$this->_method;
+    public function _empty($method, $args)
+    {
+        if (method_exists($this, $method . '_' . $this->_method . '_' . $this->_type)) {
+            // RESTFul方法支持
+            $fun = $method . '_' . $this->_method . '_' . $this->_type;
+        } elseif ($this->_method == $this->restDefaultMethod && method_exists($this, $method . '_' . $this->_type)) {
+            $fun = $method . '_' . $this->_type;
+        } elseif ($this->_type == $this->restDefaultType && method_exists($this, $method . '_' . $this->_method)) {
+            $fun = $method . '_' . $this->_method;
         }
-        if(isset($fun)) {
+        if (isset($fun)) {
             $this->$fun();
-        }else{
+        } else {
             // 抛出异常
-            throw new \think\Exception(\think\Lang::get('_ERROR_ACTION_:').ACTION_NAME);
+            throw new \think\Exception(\think\Lang::get('_ERROR_ACTION_:') . ACTION_NAME);
         }
     }
 
@@ -81,37 +87,39 @@ abstract class rest {
      * @param integer $code HTTP状态
      * @return void
      */
-    protected function response($data,$type='',$code=200) {
+    protected function response($data, $type = '', $code = 200)
+    {
         Response::sendHttpStatus($code);
-        Response::returnData($data,strtolower($type)));
+        Response::returnData($data, strtolower($type));
     }
 
     /**
      * 获取当前请求的Accept头信息
      * @return string
      */
-    static public function getAcceptType(){
+    public static function getAcceptType()
+    {
         $type = [
-            'html'  =>  'text/html,application/xhtml+xml,*/*',
-            'xml'   =>  'application/xml,text/xml,application/x-xml',
-            'json'  =>  'application/json,text/x-json,application/jsonrequest,text/json',
-            'js'    =>  'text/javascript,application/javascript,application/x-javascript',
-            'css'   =>  'text/css',
-            'rss'   =>  'application/rss+xml',
-            'yaml'  =>  'application/x-yaml,text/yaml',
-            'atom'  =>  'application/atom+xml',
-            'pdf'   =>  'application/pdf',
-            'text'  =>  'text/plain',
-            'png'   =>  'image/png',
-            'jpg'   =>  'image/jpg,image/jpeg,image/pjpeg',
-            'gif'   =>  'image/gif',
-            'csv'   =>  'text/csv'
+            'html' => 'text/html,application/xhtml+xml,*/*',
+            'xml'  => 'application/xml,text/xml,application/x-xml',
+            'json' => 'application/json,text/x-json,application/jsonrequest,text/json',
+            'js'   => 'text/javascript,application/javascript,application/x-javascript',
+            'css'  => 'text/css',
+            'rss'  => 'application/rss+xml',
+            'yaml' => 'application/x-yaml,text/yaml',
+            'atom' => 'application/atom+xml',
+            'pdf'  => 'application/pdf',
+            'text' => 'text/plain',
+            'png'  => 'image/png',
+            'jpg'  => 'image/jpg,image/jpeg,image/pjpeg',
+            'gif'  => 'image/gif',
+            'csv'  => 'text/csv',
         ];
-        
-        foreach($type as $key=>$val){
-            $array   =  explode(',',$val);
-            foreach($array as $k=>$v){
-                if(stristr($_SERVER['HTTP_ACCEPT'], $v)) {
+
+        foreach ($type as $key => $val) {
+            $array = explode(',', $val);
+            foreach ($array as $k => $v) {
+                if (stristr($_SERVER['HTTP_ACCEPT'], $v)) {
                     return $key;
                 }
             }