diff --git a/library/traits/controller/Jump.php b/library/traits/controller/Jump.php
index 0fad996d..1ea788bb 100644
--- a/library/traits/controller/Jump.php
+++ b/library/traits/controller/Jump.php
@@ -80,8 +80,9 @@ trait Jump
             $code = $msg;
             $msg  = '';
         }
+        $isAjax = Request::instance()->isAjax();
         if (is_null($url)) {
-            $url = 'javascript:history.back(-1);';
+            $url = $isAjax ? '':'javascript:history.back(-1);';
         } elseif ('' !== $url) {
             $url = (strpos($url, '://') || 0 === strpos($url, '/')) ? $url : Url::build($url);
         }