From e72fb2f166ee1a3b4889845cd932a1ab9d2005ee Mon Sep 17 00:00:00 2001
From: Anyon <zoujingli@qq.com>
Date: Wed, 9 May 2018 13:38:00 +0800
Subject: [PATCH] =?UTF-8?q?[=E6=9B=B4=E6=96=B0]=E4=BF=AE=E6=AD=A3=E8=AF=81?=
 =?UTF-8?q?=E4=B9=A6=E7=9B=AE=E5=BD=95=E5=88=A4=E6=96=AD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 WeChat/Pay.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/WeChat/Pay.php b/WeChat/Pay.php
index fddcf1c..b57d43b 100644
--- a/WeChat/Pay.php
+++ b/WeChat/Pay.php
@@ -299,13 +299,13 @@ class Pay
     {
         $option = [];
         if ($isCert) {
+            $option['ssl_cer'] = $this->config->get('ssl_cer');
+            $option['ssl_key'] = $this->config->get('ssl_key');
             foreach (['ssl_cer', 'ssl_key'] as $key) {
-                if (empty($option[$key])) {
+                if (empty($option[$key]) || !file_exists($option[$key])) {
                     throw new InvalidArgumentException("Missing Config -- [{$key}]", '0');
                 }
             }
-            $option['ssl_cer'] = $this->config->get('ssl_cer');
-            $option['ssl_key'] = $this->config->get('ssl_key');
         }
         $params = $this->params->merge($data);
         $needSignType && ($params['sign_type'] = strtoupper($signType));