diff --git a/Bootstrap.Admin/Views/Home/Index.cshtml b/Bootstrap.Admin/Views/Home/Index.cshtml
index 957fcd8e..2ae4f309 100644
--- a/Bootstrap.Admin/Views/Home/Index.cshtml
+++ b/Bootstrap.Admin/Views/Home/Index.cshtml
@@ -2,5 +2,17 @@
     ViewBag.Title = "首页";
     Layout = "_Bootstrap";
 }
+@section css {
+    <style type="text/css">
+        .content-body {
+            position: fixed;
+            left: 0;
+            bottom: 40px;
+            right: 0;
+            top: 98px;
+            overflow: hidden;
+        }
+    </style>
+}
 <div class="content-body welcome-bg">
 </div>
\ No newline at end of file
diff --git a/Bootstrap.Admin/Views/Shared/_Bootstrap.cshtml b/Bootstrap.Admin/Views/Shared/_Bootstrap.cshtml
index e5936763..14d5ec20 100644
--- a/Bootstrap.Admin/Views/Shared/_Bootstrap.cshtml
+++ b/Bootstrap.Admin/Views/Shared/_Bootstrap.cshtml
@@ -12,10 +12,10 @@
         <link href="~/css/font-awesome.min.css" rel="stylesheet" asp-append-version="true" />
     </environment>
     @RenderSection("css", false)
-    <link href="~/css/theme.css" rel="stylesheet" asp-append-version="true" />
-    <link href="~/css/theme-responsive.css" rel="stylesheet" asp-append-version="true" />
     <link href="~/css/site.css" rel="stylesheet" asp-append-version="true" />
     <link href="~/css/site-responsive.css" rel="stylesheet" asp-append-version="true" />
+    <link href="~/css/theme.css" rel="stylesheet" asp-append-version="true" />
+    <link href="~/css/theme-responsive.css" rel="stylesheet" asp-append-version="true" />
     @if (!string.IsNullOrEmpty(Model.Theme))
     {
         <link href="~/css/@Model.Theme" rel="stylesheet" asp-append-version="true" />
diff --git a/Bootstrap.Admin/wwwroot/css/site.css b/Bootstrap.Admin/wwwroot/css/site.css
index 5dca4c9d..25ddfb88 100644
--- a/Bootstrap.Admin/wwwroot/css/site.css
+++ b/Bootstrap.Admin/wwwroot/css/site.css
@@ -340,7 +340,6 @@ a, a:hover, a:focus {
     .go-top i {
         color: #2A3542;
     }
-/*notify bar*/
 
 .breadcrumb {
     border: solid 1px #ddd;
@@ -355,31 +354,11 @@ a, a:hover, a:focus {
         padding-right: 6px;
     }
 
-.content-body {
-    position: fixed;
-    left: 0;
-    bottom: 40px;
-    right: 0;
-    top: 98px;
-    overflow: hidden;
-}
-
-    .content-body iframe {
-        width: 100%;
-        height: 100%;
-        border: none;
-    }
-
 .welcome-bg {
     background-image: url('../images/bg.jpg');
     background-size: 100% 100%;
 }
 
-/*bs v4.1.3*/
-label.dropdown-item:first-child {
-    margin-top: 0.5rem;
-}
-
 .cache-title {
     font-weight: bold;
     color: #0077de;