diff --git a/docs/prod/dubbogo.yaml b/docs/prod/dubbogo.yaml
index 8506816..792b421 100644
--- a/docs/prod/dubbogo.yaml
+++ b/docs/prod/dubbogo.yaml
@@ -29,7 +29,7 @@ dubbo:
       PaymentClientImpl:
         protocol: tri
         retries: 0
-        interface: com.fontree.microservices.common.payment # must be compatible with grpc or dubbo-java
+        interface: com.fontree.microservices.common.payment.cent # must be compatible with grpc or dubbo-java
 #        filter: cshutdown,sign,auth
         params:
           .accessKeyId: "Paymentksl"