diff --git a/index.html b/index.html
index d7a3be5..4eaa9a8 100644
--- a/index.html
+++ b/index.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
-    <title>智能闸井监测管理系统</title>
+    <title>地下管线技防设备管理系统</title>
     <script type="text/javascript" src="static/BMap/js/map_load.js"></script>
     <script type="text/javascript" src="static/BMap/js/bmap_offline_api_v3.0_min.js"></script>
     <script type="text/javascript" src="static/BMap/js/map_city.js"></script>
