diff --git a/projects/Infrastructure/Areas/Admin/Views/Configuration/Index.cshtml b/projects/Infrastructure/Areas/Admin/Views/Configuration/Index.cshtml
index e0b785ee..3d5941c1 100644
--- a/projects/Infrastructure/Areas/Admin/Views/Configuration/Index.cshtml
+++ b/projects/Infrastructure/Areas/Admin/Views/Configuration/Index.cshtml
@@ -2,6 +2,7 @@
 @using System.Security.Claims
 @model List<EFConfigurationValue>
 @{
+    HtmlTitle = "网站配置";
     var start = 0;
     var entityName = "EFConfigurationValue";
     var hasPermissions = (User.Identity as ClaimsIdentity).Claims.Any(o => o.Value.EndsWith($"-{entityName}"));
diff --git a/projects/Infrastructure/Areas/Admin/Views/Shared/_Layout.cshtml b/projects/Infrastructure/Areas/Admin/Views/Shared/_Layout.cshtml
index 58d33e1e..c2a62d1e 100644
--- a/projects/Infrastructure/Areas/Admin/Views/Shared/_Layout.cshtml
+++ b/projects/Infrastructure/Areas/Admin/Views/Shared/_Layout.cshtml
@@ -94,7 +94,6 @@
             </div>
         </footer>
     </div>
-    <a id="backTop" class="btn btn-back-top bg-light-blue-active"></a>
     @(await Html.PartialAsync("_Footer"))
     @RenderSection("scripts", required: false)
     <script src="~/js/site.js"></script>
diff --git a/projects/Infrastructure/Views/Account/_Layout.cshtml b/projects/Infrastructure/Views/Account/_Layout.cshtml
index b0c97211..2a283a49 100644
--- a/projects/Infrastructure/Views/Account/_Layout.cshtml
+++ b/projects/Infrastructure/Views/Account/_Layout.cshtml
@@ -98,7 +98,6 @@
             </div>
         </footer>
     </div>
-    <a id="backTop" class="btn btn-back-top bg-light-blue-active"></a>
     @(await Html.PartialAsync("_Footer"))
     @RenderSection("scripts", required: false)
     <script src="~/js/site.js"></script>
diff --git a/projects/IoTCenter/Areas/Admin/Views/Home/Index.cshtml b/projects/IoTCenter/Areas/Admin/Views/Home/Index.cshtml
index 7ff3bb91..c8602be4 100644
--- a/projects/IoTCenter/Areas/Admin/Views/Home/Index.cshtml
+++ b/projects/IoTCenter/Areas/Admin/Views/Home/Index.cshtml
@@ -4,8 +4,8 @@
     HideBread = true;
     var max = env.IsDevelopment() ? 10 : 1;
 }
+<h5 class="mt-4 mb-2">分类</h5>
 <div class="row">
-    <div class="col-md-12"><div class="callout callout-success"><h4>分类</h4></div></div>
     @foreach (var item in Model.Categories)
     {
         <div class="col-md-2 col-sm-4 col-xs-6">
@@ -21,8 +21,8 @@
         </div>
     }
 </div>
+<h5 class="mt-4 mb-2">产品</h5>
 <div class="row">
-    <div class="col-md-12"><div class="callout callout-success"><h4>产品</h4></div></div>
     @foreach (var item in Model.Products)
     {
         <div class="col-md-2 col-sm-4 col-xs-6">
@@ -38,8 +38,8 @@
         </div>
     }
 </div>
+<h5 class="mt-4 mb-2">节点</h5>
 <div class="row">
-    <div class="col-md-12"><div class="callout callout-success"><h4>节点</h4></div></div>
     @for (int i = 0; i < max; i++)
     {
         foreach (var item in Model.Nodes)
diff --git a/projects/IoTCenter/Views/Home/Index.cshtml b/projects/IoTCenter/Views/Home/Index.cshtml
index 82885455..26ba48ca 100644
--- a/projects/IoTCenter/Views/Home/Index.cshtml
+++ b/projects/IoTCenter/Views/Home/Index.cshtml
@@ -3,7 +3,7 @@
 }
 <br />
 <div class="row overlay-wrapper">
-    <div class="overlay dark">
+    <div class="overlay">
         <i class="fas fa-2x fa-sync-alt"></i>
     </div>
     <div class="col-md-2 col-sm-4 col-xs-6" v-for="item in Products">
diff --git a/projects/IoTCenter/Views/Home/Node.cshtml b/projects/IoTCenter/Views/Home/Node.cshtml
index cde29274..0bd50cf3 100644
--- a/projects/IoTCenter/Views/Home/Node.cshtml
+++ b/projects/IoTCenter/Views/Home/Node.cshtml
@@ -137,7 +137,7 @@
             margin-bottom: 20px;
         }
     </style>
-    <div class="overlay dark">
+    <div class="overlay">
         <i class="fas fa-2x fa-sync-alt"></i>
     </div>
     <template v-if="model">
diff --git a/projects/IoTCenter/Views/Home/Nodes.cshtml b/projects/IoTCenter/Views/Home/Nodes.cshtml
index 0e42b717..7cb61789 100644
--- a/projects/IoTCenter/Views/Home/Nodes.cshtml
+++ b/projects/IoTCenter/Views/Home/Nodes.cshtml
@@ -3,7 +3,7 @@
 }
 <br />
 <div class="row overlay-wrapper">
-    <div class="overlay dark">
+    <div class="overlay">
         <i class="fas fa-2x fa-sync-alt"></i>
     </div>
     <div class="col-md-2 col-sm-4 col-xs-6" v-for="item in Nodes">
diff --git a/projects/IoTCenter/configuration.db b/projects/IoTCenter/configuration.db
index dc4203fa..1e456526 100644
Binary files a/projects/IoTCenter/configuration.db and b/projects/IoTCenter/configuration.db differ
diff --git a/projects/IoTCenter/iotcenter.db b/projects/IoTCenter/iotcenter.db
index 44e15517..f11e34e1 100644
Binary files a/projects/IoTCenter/iotcenter.db and b/projects/IoTCenter/iotcenter.db differ
diff --git a/projects/IoTNode/iotnode.db b/projects/IoTNode/iotnode.db
index 7b7df8d9..7893c10a 100644
Binary files a/projects/IoTNode/iotnode.db and b/projects/IoTNode/iotnode.db differ