Fixed undefined array key wechat_public_cert_path when don't set it. (

#674)

* Fixed undefined array key `wechat_public_cert_path` when don't set it.

* refactor: 优化 `wechat_public_cert_path` 配置

Co-authored-by: yansongda <me@yansongda.cn>

CHANGELOG.md

@@ -1,3 +1,13 @@
+## v3.2.1
+
+### fixed
+
+- fix: `wechat_public_cert_path` 未配置时报错的问题(#674)
+
+### refactor
+
+- refactor: 优化 `wechat_public_cert_path` 配置(#674)
+
 ## v3.2.0
 
 ### changed

src/Functions.php

@@ -221,11 +221,11 @@ function reload_wechat_public_certs(array $params, ?string $serialNo = null): st
         }
 
         $wechatConfig = get_wechat_config($params);
-        $wechatConfig['wechat_public_cert_path'] = ((array) $wechatConfig['wechat_public_cert_path']) + ($certs ?? []);
 
-        Pay::set(ConfigInterface::class, Pay::get(ConfigInterface::class)->merge([
-            'wechat' => [$params['_config'] ?? 'default' => $wechatConfig],
-        ]));
+        Pay::get(ConfigInterface::class)->set(
+            'wechat.'.get_tenant($params).'.wechat_public_cert_path',
+            ((array) ($wechatConfig['wechat_public_cert_path'] ?? [])) + ($certs ?? []),
+        );
 
         if (!is_null($serialNo) && empty($certs[$serialNo])) {
             throw new InvalidConfigException(Exception::WECHAT_CONFIG_ERROR, 'Get Wechat Public Cert Error');