diff --git a/infra/service.go b/infra/service.go
index a1f1bd2..e4c7685 100644
--- a/infra/service.go
+++ b/infra/service.go
@@ -17,14 +17,14 @@ var (
 
 type service struct{}
 
-func (s *service) Register(cli *clientv3.Client, serviceName string, port int) error {
+func (s *service) Register(cli *clientv3.Client, serviceName string, port string) error {
 	lease := clientv3.NewLease(cli)
 	grantResp, err := lease.Grant(context.TODO(), 5)
 	if err != nil {
 		return err
 	}
 
-	serviceAddr := utils.GetLocationIP() + ":" + utils.Int2String(port)
+	serviceAddr := utils.GetLocationIP() + ":" + port
 
 	key := RootPrefix + serviceName + "/" + utils.Int642String(time.Now().UnixNano())
 	_, err = cli.KV.Put(context.TODO(), key, serviceAddr, clientv3.WithLease(grantResp.ID))