From 1443769c522e8a4373191e4e72d67b6ab3f0b4c8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=82=B9=E6=99=AF=E7=AB=8B?= <zoujingli@qq.com>
Date: Wed, 8 Jan 2025 14:17:40 +0800
Subject: [PATCH] =?UTF-8?q?#89=20=E5=A2=9E=E5=8A=A0=20file=5Fexists=20?=
 =?UTF-8?q?=E8=AF=BB=E5=8F=96=E8=AF=81=E4=B9=A6=E6=96=87=E4=BB=B6?=
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---
 WeChat/Contracts/BasicAliPay.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/WeChat/Contracts/BasicAliPay.php b/WeChat/Contracts/BasicAliPay.php
index 6fe3cbf..f4ff9f6 100644
--- a/WeChat/Contracts/BasicAliPay.php
+++ b/WeChat/Contracts/BasicAliPay.php
@@ -350,6 +350,9 @@ abstract class BasicAliPay
      */
     private function getRootCertSN($sign)
     {
+        if (strlen($sign) < 500 && file_exists($sign)) {
+            $sign = file_get_contents($sign);
+        }
         $sn = null;
         $array = explode('-----END CERTIFICATE-----', $sign);
         for ($i = 0; $i < count($array) - 1; $i++) {