Wesmiler 三勾多商户商城提交

app/common/library/easywechat/AppWx.php

@@ -44,13 +44,14 @@ class AppWx
             'app_id' => $wxConfig['wxapp_id'],
             'mch_id'             => $wxConfig['mchid'],
             'key'                => $wxConfig['apikey'],   // API 密钥
-            'sub_mch_id'         => $wxConfig['sub_mch_id'],   // 子商户号
             // 如需使用敏感接口（如退款、发送红包等）需要配置 API 证书路径(登录商户平台下载 API 证书)
             'cert_path'          => $filePath . 'cert.pem',
             'key_path'           => $filePath . 'key.pem',
             'sandbox' => false, // 设置为 false 或注释则关闭沙箱模式
         ];
-
+        if(isset($wxConfig['sub_mch_id']) && $wxConfig['sub_mch_id']){
+            $config['sub_mch_id'] = $wxConfig['sub_mch_id'];
+        }
         return Factory::payment($config);
     }
 }