diff --git a/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/test/java/cn/iocoder/yudao/framework/pay/core/client/impl/PayClientFactoryImplIntegrationTest.java b/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/test/java/cn/iocoder/yudao/framework/pay/core/client/impl/PayClientFactoryImplIntegrationTest.java
index 37c9e90c2..3fc97726e 100644
--- a/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/test/java/cn/iocoder/yudao/framework/pay/core/client/impl/PayClientFactoryImplIntegrationTest.java
+++ b/yudao-module-pay/yudao-spring-boot-starter-biz-pay/src/test/java/cn/iocoder/yudao/framework/pay/core/client/impl/PayClientFactoryImplIntegrationTest.java
@@ -61,6 +61,7 @@ public class PayClientFactoryImplIntegrationTest {
         config.setApiVersion(WxPayClientConfig.API_VERSION_V3);
         config.setPrivateKeyContent(IoUtil.readUtf8(new FileInputStream("/Users/yunai/Downloads/wx_pay/apiclient_key.pem")));
 //        config.setPrivateCertContent(IoUtil.readUtf8(new FileInputStream("/Users/yunai/Downloads/wx_pay/apiclient_cert.pem")));
+        config.setCertSerialNo("CACA0EB0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D0D");
         config.setApiV3Key("joerVi8y5DJ3o4ttA0o1uH47Xz1u2Ase");
         // 创建客户端
         Long channelId = RandomUtil.randomLong();