diff --git a/examples/dubbo/with-hystrix-go-client/app/user.go b/examples/dubbo/with-hystrix-go-client/app/user.go
index d491c3633384ad9ee6acdb2786d383e420f26db3..4fcd071761d0132d50233f2a460fbccd391c2226 100644
--- a/examples/dubbo/with-hystrix-go-client/app/user.go
+++ b/examples/dubbo/with-hystrix-go-client/app/user.go
@@ -115,3 +115,7 @@ func (u *UserProvider) Service() string {
 func (u *UserProvider) Version() string {
 	return ""
 }
+
+func (u *UserProvider) Reference() string {
+	return "UserProvider"
+}