diff --git a/sing-box.sh b/sing-box.sh
index d977fda..ef31429 100644
--- a/sing-box.sh
+++ b/sing-box.sh
@@ -2900,7 +2900,7 @@ change_start_port() {
     [ -s ${WORK_DIR}/conf/${CONF_FILES[a]} ] && sed -i "s/\(.*listen_port.*:\)$((OLD_START_PORT+a))/\1$((START_PORT+a))/" ${WORK_DIR}/conf/*
   done
   fetch_nodes_value
-  [ -n "$PORT_NGINX" ] && export_nginx_conf_file
+  [ -n "$PORT_NGINX" ] && UUID_CONFIRM=$(sed -n 's#.*location[ ]\+\/\(.*\)-v[ml]ess.*#\1#gp' /etc/sing-box/nginx.conf | sed -n '1p') && export_nginx_conf_file
   cmd_systemctl enable sing-box
   [ -n "$ARGO_DOMAIN" ] && export_argo_json_file
   sleep 2
@@ -3576,4 +3576,4 @@ if [ "$NONINTERACTIVE_INSTALL" = 'noninteractive_install' ]; then
 else
   menu_setting
   menu
-fi
\ No newline at end of file
+fi