diff --git a/app/controller/Wechat.php b/app/controller/Wechat.php
index f55a625..b757183 100644
--- a/app/controller/Wechat.php
+++ b/app/controller/Wechat.php
@@ -128,6 +128,9 @@ class Wechat
             'trade_type'   => 'JSAPI',
             'openid'       => $user->openid,
         ]);
+        if ($unify['result_code'] == 'FAIL') {
+            exit($unify['err_code_des']);
+        }
         $prepayId = $unify['prepay_id'];
         $jssdk    = $payment->jssdk->bridgeConfig($prepayId, false);
         return View::fetch('', ['jssdk' => $jssdk]);