diff --git a/common/config/params-local.php b/common/config/params-local.php
index 5456e4c..cee73b7 100644
--- a/common/config/params-local.php
+++ b/common/config/params-local.php
@@ -114,7 +114,7 @@ JJvBfLfudYNUjUCyW3gAcOIJ
     'eplpay' => [
         'url' => 'https://efps.epaylinks.cn',
         'customerCode' => '562795004029322', //商户号
-        'signNo' => '562795004029322003', //证书序列号
+        'signNo' => '562795004029322004', //证书序列号
         'password' => '907883', // 证书密码
         'rsaPrivateKeyFilePath' =>  '/www/certs/user.pfx', //私钥文件路径
         'publicKeyFilePath' => '/www/certs/efps.cer', //公钥