diff --git a/library/think/Request.php b/library/think/Request.php
index 9112beed..da3194fa 100644
--- a/library/think/Request.php
+++ b/library/think/Request.php
@@ -1409,13 +1409,13 @@ class Request
      * 生成请求令牌
      * @access public
      * @param string $name 令牌名称
-     * @param string $type 令牌生成类型
+     * @param string|array $type 令牌生成方法
      * @return string
      */
     public function token($name = '__token__', $type = 'md5')
     {
         $type  = is_callable($type) ? $type : 'md5';
-        $token = $type($_SERVER['REQUEST_TIME_FLOAT']);
+        $token = call_user_func($type, $_SERVER['REQUEST_TIME_FLOAT']);
 
         Session::set($name, $token);
         return $token;