diff --git a/service_map.go b/service_map.go
index 32c4623..34bc314 100644
--- a/service_map.go
+++ b/service_map.go
@@ -63,7 +63,7 @@ func (m *serviceMap) register(rcvr interface{}, name string) error {
 		return fmt.Errorf("rpc: no service name for type %q",
 			s.rcvrType.String())
 	}
-	log.Printf("The name of service is %s", s.name)
+	log.Printf("method count of service[%s] is %d", s.name, s.rcvrType.NumMethod())
 	// Setup methods.
 	for i := 0; i < s.rcvrType.NumMethod(); i++ {
 		method := s.rcvrType.Method(i)