diff --git a/internal/apiserver/service/service.go b/internal/apiserver/service/service.go
index 69a161d6..9bf28822 100644
--- a/internal/apiserver/service/service.go
+++ b/internal/apiserver/service/service.go
@@ -59,16 +59,12 @@ func (s *APIServer) RunHttpServer(logger utilLog.Logger) error {
 	}
 
 	if s.opts.EnableClusterMode {
-		if s.opts.ServerId == "" {
-			return fmt.Errorf("server id is required on cluster mode")
-		}
-
 		if s.opts.ReportHost == "" {
 			return fmt.Errorf("report host is required on cluster mode")
 		}
 
 		s.DMSController.DMS.ClusterUsecase.SetClusterMode(true)
-		if err := s.DMSController.DMS.ClusterUsecase.Join(s.opts.ServerId); err != nil {
+		if err := s.DMSController.DMS.ClusterUsecase.Join(fmt.Sprintf("%d", s.opts.ID)); err != nil {
 			return err
 		}