diff --git a/library/think/Response.php b/library/think/Response.php
index be92774d..c986e5a8 100644
--- a/library/think/Response.php
+++ b/library/think/Response.php
@@ -349,6 +349,6 @@ class Response
      */
     public function getCode()
     {
-        return $this->header['status'];
+        return isset($this->header['status']) ? $this->header['status'] : 200;
     }    
 }