diff --git a/Library/Think/Controller.php b/Library/Think/Controller.php
index 9d5a4c0a..d86a3c4f 100644
--- a/Library/Think/Controller.php
+++ b/Library/Think/Controller.php
@@ -91,12 +91,12 @@ class Controller {
                 exit(xml_encode($data));
             case 'JSONP':
                 // 返回JSON数据格式到客户端 包含状态信息
-                header('Content-Type:application/json; charset=utf-8');
+                header('Content-Type:application/javascript; charset=utf-8');
                 $handler = isset($_GET[C('var_jsonp_handler')]) ? $_GET[C('var_jsonp_handler')] : C('default_jsonp_handler');
                 exit($handler . '(' . json_encode($data) . ');');  
             case 'EVAL':
                 // 返回可执行的js脚本
-                header('Content-Type:text/html; charset=utf-8');
+                header('Content-Type:application/javascript; charset=utf-8');
                 exit($data);
             default:
                 // 用于扩展其他返回格式数据