diff --git a/src/main/java/com/jwl/driver/server/controller/PayNoticeLogController.java b/src/main/java/com/jwl/driver/server/controller/PayNoticeLogController.java
index f97e39f..141ea46 100644
--- a/src/main/java/com/jwl/driver/server/controller/PayNoticeLogController.java
+++ b/src/main/java/com/jwl/driver/server/controller/PayNoticeLogController.java
@@ -68,7 +68,7 @@ public class PayNoticeLogController {
                 .merchantId(wechatPayConfig.getMchId())
                 .privateKey(PemUtil.loadPrivateKeyFromString(InputStreamUtil.getContentStr("wechatPay/apiclient_key.pem")))
 //                .privateKeyFromPath(wechatPayConfig.getPrivateKeyPath())
-                .merchantSerialNumber(wechatPayConfig.getPrivateKeyPath())
+                .merchantSerialNumber(wechatPayConfig.getMchSerialNo())
                 .apiV3Key(wechatPayConfig.getApiV3Key())
                 .build();
         RequestParam requestParam = new RequestParam.Builder()