🎨 #3505【微信支付】修复微信支付异步通知请求解析失败问题

Author: raven1997s

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImpl.java

@@ -323,12 +323,13 @@ public WxPayOrderNotifyResult parseOrderNotifyResult(String xmlData, String sign
       log.debug("微信支付异步通知请求参数：{}", xmlData);
       WxPayOrderNotifyResult result = WxPayOrderNotifyResult.fromXML(xmlData);
       if (signType == null) {
+        String configKey = this.getConfigKey(result.getMchId(), result.getAppid());
         if (result.getSignType() != null) {
           // 如果解析的通知对象中signType有值，则使用它进行验签
           signType = result.getSignType();
-        } else if (configMap.get(result.getMchId()).getSignType() != null) {
+        } else if (configMap.get(configKey).getSignType() != null) {
           // 如果配置中signType有值，则使用它进行验签
-          signType = configMap.get(result.getMchId()).getSignType();
+          signType = configMap.get(configKey).getSignType();
           this.switchover(result.getMchId(), result.getAppid());
         }
       }