diff --git a/docs/source/slam-nav/openEuler_gazebo_nav2.md b/docs/source/slam-nav/openEuler_gazebo_nav2.md
index 642f539e3cee02a2253a0181067e169e8699108b..4bb72c7f370d6cb49e95ecc49814c5a83844e2d0 100644
--- a/docs/source/slam-nav/openEuler_gazebo_nav2.md
+++ b/docs/source/slam-nav/openEuler_gazebo_nav2.md
@@ -1,4 +1,4 @@
-# OpenEuler 建图导航仿真
+# openEuler 建图导航仿真
 
 运行环境：