diff --git a/internal/web/actions/default/ui/components.go b/internal/web/actions/default/ui/components.go
index 8e7ca944..f99bad57 100644
--- a/internal/web/actions/default/ui/components.go
+++ b/internal/web/actions/default/ui/components.go
@@ -8,7 +8,6 @@ import (
 	"github.com/iwind/TeaGo/actions"
 	"github.com/iwind/TeaGo/files"
 	"github.com/iwind/TeaGo/logs"
-	"strconv"
 )
 
 type ComponentsAction actions.Action
@@ -19,7 +18,7 @@ func (this *ComponentsAction) RunGet(params struct{}) {
 	this.AddHeader("Content-Type", "text/javascript; charset=utf-8")
 
 	if !Tea.IsTesting() && len(componentsData) > 0 {
-		this.AddHeader("Content-Length", strconv.Itoa(len(componentsData)))
+		this.AddHeader("Last-Modified", "Fri, 06 Sep 2019 08:29:50 GMT")
 		this.Write(componentsData)
 		return
 	}
@@ -61,6 +60,5 @@ func (this *ComponentsAction) RunGet(params struct{}) {
 	}
 
 	componentsData = buffer.Bytes()
-	this.AddHeader("Content-Length", strconv.Itoa(len(componentsData)))
 	this.Write(componentsData)
 }
diff --git a/web/views/@default/@layout.css b/web/views/@default/@layout.css
index e6e1826d..f0d47a80 100644
--- a/web/views/@default/@layout.css
+++ b/web/views/@default/@layout.css
@@ -248,7 +248,7 @@ body.expanded .main {
   z-index: 1000;
   overflow-x: auto;
   border: 0 !important;
-  background: #276ac6 !important;
+  background: #14539A !important;
 }
 .top-nav img.avatar {
   width: 1.6em !important;
@@ -385,11 +385,11 @@ body.expanded .main {
   top: 2em;
   bottom: 0;
   overflow-y: auto;
-  background: #276ac6 !important;
+  background: #14539A !important;
   z-index: 10;
 }
 .main-menu .menu {
-  background: #276ac6 !important;
+  background: #14539A !important;
   border: 0 !important;
   box-shadow: none !important;
 }
diff --git a/web/views/@default/@layout.less b/web/views/@default/@layout.less
index b3d657b9..b20148ab 100644
--- a/web/views/@default/@layout.less
+++ b/web/views/@default/@layout.less
@@ -209,7 +209,7 @@ body.expanded .main {
 	z-index: 1000;
 	overflow-x: auto;
 	border: 0 !important;
-	background: #276ac6 !important;
+	background: #14539A !important;
 
 	img.avatar {
 		width: 1.6em !important;
@@ -387,11 +387,11 @@ body.expanded .main {
 	top: 2em;
 	bottom: 0;
 	overflow-y: auto;
-	background: #276ac6 !important;
+	background: #14539A !important;
 	z-index: 10;
 
 	.menu {
-		background: #276ac6 !important;
+		background: #14539A !important;
 		border: 0 !important;
 		box-shadow: none !important;
 	}