diff --git a/img/customer.png b/img/customer.png
new file mode 100644
index 0000000..ee38874
Binary files /dev/null and b/img/customer.png differ
diff --git a/img/line.png b/img/line.png
index 0c9d15c..21ae286 100644
Binary files a/img/line.png and b/img/line.png differ
diff --git a/img/video.png b/img/video.png
new file mode 100644
index 0000000..9a7e09b
Binary files /dev/null and b/img/video.png differ
diff --git a/index.html b/index.html
index cebc5bd..2068f0c 100644
--- a/index.html
+++ b/index.html
@@ -108,6 +108,7 @@
             width: 1028px;
             height: 547px;
             background: url(./img/line.png) no-repeat;
+            background-size: 100% 100%;
             position: relative;
             left: 415px;
             top: 222px;
@@ -140,6 +141,7 @@
             user-select: none;
             cursor: pointer;
             z-index: 999;
+            background-size: 100% 100%;
         }
         .top-center{
             background: url(./img/prevent.png) no-repeat;
@@ -147,7 +149,8 @@
             left: 305px;
         }
         .top-right{
-            background: url(./img/project.png) no-repeat;
+            /*background: url(./img/project.png) no-repeat;*/
+            background: url(./img/customer.png) no-repeat;
             top: -160px;
             left: 715px;
         }
@@ -182,7 +185,8 @@
             right: -72px;
         }
         .right-center{
-            background: url(./img/exam.png) no-repeat;
+            /*background: url(./img/exam.png) no-repeat;*/
+            background: url(./img/video.png) no-repeat;
             top: 29px;
             right: -147px;
         }
@@ -225,14 +229,16 @@
         <div class="main-box">
             <div class="center"></div>
             <div class="nav-item top-center">双重预防机制</div>
-            <div class="nav-item top-right">工程管理</div>
+<!--            <div class="nav-item top-right">工程管理</div>-->
+            <div class="nav-item top-right">智能客服</div>
             <div class="nav-item left-top">智慧巡检</div>
             <div class="nav-item left-center">GIS系统</div>
             <div class="nav-item left-bottom">SCADA系统</div>
-            <div class="nav-item left-bottom2">电子商城</div>
+<!--            <div class="nav-item left-bottom2">电子商城</div>-->
             <div class="nav-item center-bottom">管理中心</div>
             <div class="nav-item right-bottom">气瓶管理</div>
-            <div class="nav-item right-center">车辆管理</div>
+<!--            <div class="nav-item right-center">车辆管理</div>-->
+            <div class="nav-item right-center">视频监控</div>
         </div>
     </div>
 </div>
@@ -333,10 +339,14 @@
                 window.open('http://test.siteweb.bjgas95.com:8028/gpurl.php');
             }else if (item.innerHTML === '车辆管理'){
                 window.open('https://gnss.elink-star.com/autoLogin?username=drwl&password=dr!@12');
+            }else if (item.innerHTML === '视频监控'){
+                window.open('https://iotui.gkyun.net/video/video');
             }else if (item.innerHTML === '电子商城'){
                 // window.open('https://gnss.elink-star.com/autoLogin?username=drwl&password=dr!@12');
             }else if (item.innerHTML === '工程管理'){
                 // window.open('https://gnss.elink-star.com/autoLogin?username=drwl&password=dr!@12');
+            }else if (item.innerHTML === '智能客服'){
+            window.open('http://kefu.gkyun.net/');
             }else if (item.innerHTML === '双重预防机制'){
                 window.open('https://manage.gkyun.net/gis-system');
             }