diff --git a/WeChat/Contracts/BasicWePay.php b/WeChat/Contracts/BasicWePay.php
index 5697485..7af01a4 100644
--- a/WeChat/Contracts/BasicWePay.php
+++ b/WeChat/Contracts/BasicWePay.php
@@ -98,7 +98,7 @@ class BasicWePay
      */
     public function getNotify($xml = '')
     {
-        $data = Tools::xml2arr(empty($xml) ? Tools::getRawInput() : $xml);
+        $data = is_array($xml) ? $xml : Tools::xml2arr(empty($xml) ? Tools::getRawInput() : $xml);
         if (isset($data['sign']) && $this->getPaySign($data) === $data['sign']) {
             return $data;
         }