diff --git a/wchat/wx/Recharge.php b/wchat/wx/Recharge.php
index b0ac653..fc9c68e 100644
--- a/wchat/wx/Recharge.php
+++ b/wchat/wx/Recharge.php
@@ -117,6 +117,8 @@ class Recharge extends SmallProgram
 		$data['sign'] = Help::sign($data, $key, $sign_type);
 		$data['sign_type'] = $sign_type;
 
+		var_dump($data);
+
 		return Help::toXml($data);
 	}