diff --git a/qq/Recharge.php b/qq/Recharge.php
index 04bf405..f98331d 100644
--- a/qq/Recharge.php
+++ b/qq/Recharge.php
@@ -50,7 +50,7 @@ class Recharge extends SmallProgram
 			$_sign = Help::sign($data, $config->getKey(), $config->getSignType());
 			if (!isset($sign) || $sign != $_sign) {
 				$return['code'] = -1;
-				$return['message'] = $data['return_msg'] ?? '返回数据签名验证失败';
+				$return['message'] = $data['retmsg'] ?? '返回数据签名验证失败';
 			} else {
 				$return['code'] = 0;
 				$return['data'] = $data;