diff --git a/wchat/wx/Recharge.php b/wchat/wx/Recharge.php
index 2220793..d7a1221 100644
--- a/wchat/wx/Recharge.php
+++ b/wchat/wx/Recharge.php
@@ -46,8 +46,6 @@ class Recharge extends SmallProgram
 		$config = $this->config;
 		$this->request->setCallback(function ($result, $body) use ($config) {
 			$data = Help::toArray($result);
-			var_dump($data, $result);
-			exit;
 			if (isset($data['sign'])) {
 				$sign = $data['sign'];
 				unset($data['sign']);
@@ -112,13 +110,13 @@ class Recharge extends SmallProgram
 			'trade_type'       => $this->config->getTradeType(),
 		];
 
-		$this->data = array_merge($data, $this->data);
+		$data = array_merge($data, $this->data);
 
 		$key = $this->config->getKey();
 		$sign_type = $this->config->getSignType();
 
-		$this->data['sign_type'] = $this->config->getSignType();
-		$this->data['sign'] = Help::sign($this->data, $key, $sign_type);
+		$data['sign'] = Help::sign($data, $key, $sign_type);
+		$data['sign_type'] = $this->config->getSignType();
 
 		return Help::toXml($this->data);
 	}