edit

lib/Yspay.php

@@ -160,6 +160,7 @@ class Yspay extends Core
 		
 		if ($type == 2) {
 			# 二维码支付
+			$request['instMid'] = 'QRPAYDEFAULT';
 			$request['billNo'] = $request['merOrderId'];
 			unset($request['merOrderId']);
 			$result = Base::get_pay_code($request, $this->config);
@@ -242,6 +243,9 @@ class Yspay extends Core
 		$method = 'refund';
 		if ($account && $account['system_source'] == 4) {
 			$method = 'code_refund';
+			$request['billNo'] = $request['merOrderId'];
+			$request['instMid'] = 'QRPAYDEFAULT';
+			$request['billDate'] = date('Y-m-d');
 		}
 		$result = Base::$method($request, $this->config);