diff --git a/var/Widget/Service.php b/var/Widget/Service.php
index 402b54bc..556f1190 100644
--- a/var/Widget/Service.php
+++ b/var/Widget/Service.php
@@ -131,8 +131,8 @@ class Widget_Service extends Widget_Abstract_Options implements Widget_Interface
         }
 
         /** 发送trackback */
-        if ($post->have() && !empty($this->request->trackback)) {
-            $links = $this->request->trackback;
+        if ($post->have() && !empty($this->request->getArray('trackback'))) {
+            $links = $this->request->getArray('trackback');
             foreach ($links as $url) {
 
                 $client = Typecho_Http_Client::get();