diff --git a/helper.php b/helper.php
index 18d8c86e..8e549b02 100644
--- a/helper.php
+++ b/helper.php
@@ -356,15 +356,15 @@ function request()
 }
 
 /**
- * 创建Response对象实例
+ * 创建普通 Response 对象实例
  * @param mixed $data 输出数据
- * @param string $type 输出类型
- * @param array $options 参数
+ * @param string $code 状态码
+ * @param array $header 头信息
  * @return Response
  */
-function response($data = [], $type = '', $options = [])
+function response($data = [], $code = 200, $header = [], $type = 'html')
 {
-    return Response::create($data, $type, $options);
+    return Response::create($data, $type)->code($code)->header($header);
 }
 
 /**
diff --git a/library/think/Model.php b/library/think/Model.php
index 7f23f479..664caf3a 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -321,12 +321,10 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
                     $value = json_encode($value, JSON_FORCE_OBJECT);
                 }
                 break;
-
             case 'array':
                 $value = (array) $value;
             case 'json':
                 $value = json_encode($value, JSON_UNESCAPED_UNICODE);
-
                 break;
         }
         return $value;
diff --git a/library/think/Response.php b/library/think/Response.php
index d3d6d7eb..1feec722 100644
--- a/library/think/Response.php
+++ b/library/think/Response.php
@@ -216,13 +216,17 @@ class Response
     /**
      * 设置响应头
      * @access public
-     * @param string $name 参数名
+     * @param string|array $name 参数名
      * @param string $value 参数值
      * @return $this
      */
-    public function header($name, $value)
+    public function header($name, $value = null)
     {
-        $this->header[$name] = $value;
+        if (is_array($name)) {
+            $this->header = $name;
+        } else {
+            $this->header[$name] = $value;
+        }
         return $this;
     }