diff --git a/projects/IoTCenter/Views/Home/Node.cshtml b/projects/IoTCenter/Views/Home/Node.cshtml
index afc725f8..86cc7558 100644
--- a/projects/IoTCenter/Views/Home/Node.cshtml
+++ b/projects/IoTCenter/Views/Home/Node.cshtml
@@ -2,7 +2,7 @@
     HideBread = true;
 }
 <br />
-<div id="template" class="overlay-wrapper">
+<div id="template">
     <style>
         h3 img {
             height: 32px;
@@ -137,9 +137,6 @@
             margin-bottom: 20px;
         }
     </style>
-    <div class="overlay">
-        <i class="fas fa-2x fa-sync-alt"></i>
-    </div>
     <template v-if="model">
         <div class="row">
             <!--场景-->
@@ -148,7 +145,7 @@
                     <div class="card-header">
                         <h3 class="card-title"><img src="/images/batch.png" />{{model.Name}}</h3>
                     </div>
-                    <div class="card-body">
+                    <div class="card-body" v-if="model.Scenes.length>0">
                         <button class="btn btn-success margin ajax Scene" v-for="scene in model.Scenes" :data-scene-id="scene.Id">{{scene.Name}}</button>
                     </div>
                 </div>
diff --git a/projects/IoTCenter/iotcenter.db b/projects/IoTCenter/iotcenter.db
index 21f28489..da7ea4a3 100644
Binary files a/projects/IoTCenter/iotcenter.db and b/projects/IoTCenter/iotcenter.db differ
diff --git a/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/node.js b/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/node.js
index 6a0c22a6..897672c6 100644
--- a/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/node.js
+++ b/projects/IoTClient/Assets/StreamingAssets/wwwroot/js/node.js
@@ -318,13 +318,11 @@ function init() {
                 }
                 this.$f7ready((f7) => {
                     app = this.$f7;
-                    app.preloader.show();
                 });
             }
             connect();
             this.$nextTick(function () {
                 UpdateCamera();
-                app.preloader.hide();
             });
         },
         methods: {
diff --git a/projects/IoTNode/iotnode.db b/projects/IoTNode/iotnode.db
index 43f9b83b..0fa8d147 100644
Binary files a/projects/IoTNode/iotnode.db and b/projects/IoTNode/iotnode.db differ