From c95d20fb4c63a4e58faa60b695b5aa31cd6e5f21 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=92=8B=E6=96=87=E5=81=A5?= <jwjbjg@gmail.com>
Date: Sat, 27 Aug 2022 18:43:24 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A6=82=E6=9E=9C=E5=8F=82=E6=95=B0=E7=9A=84?=
 =?UTF-8?q?=E5=80=BC=E4=B8=BA=E7=A9=BA=E4=B8=8D=E5=8F=82=E4=B8=8E=E7=AD=BE?=
 =?UTF-8?q?=E5=90=8D?=
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---
 WeChat/Contracts/BasicWePay.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/WeChat/Contracts/BasicWePay.php b/WeChat/Contracts/BasicWePay.php
index 8fb69bf..52e4338 100644
--- a/WeChat/Contracts/BasicWePay.php
+++ b/WeChat/Contracts/BasicWePay.php
@@ -122,7 +122,10 @@ class BasicWePay
     {
         ksort($data);
         if (isset($data['sign'])) unset($data['sign']);
-        foreach ($data as $k => $v) $buff .= "{$k}={$v}&";
+        foreach ($data as $k => $v) {
+            if ('' === $v || null === $v) continue;
+            $buff .= "{$k}={$v}&";
+        }
         $buff .= ("key=" . $this->config->get('mch_key'));
         if (strtoupper($signType) === 'MD5') {
             return strtoupper(md5($buff));
@@ -201,4 +204,4 @@ class BasicWePay
         }
         return $result;
     }
-}
\ No newline at end of file
+}