diff --git a/layout/_partial/header.ejs b/layout/_partial/header.ejs
index c4a5a1f..a15d1c1 100755
--- a/layout/_partial/header.ejs
+++ b/layout/_partial/header.ejs
@@ -37,7 +37,7 @@
 			<a class="logo flat-box"></a>
 			<ul class='switcher h-list'>
 				<li class='s-comment'><a class="fas fa-comments fa-fw" href='javascript:void(0)'></a></li>
-				<li class='s-top'><a class="fas fa-arrow-circle-up fa-fw" href='javascript:void(0)'></a></li>
+				<li class='s-top'><a class="fas fa-arrow-up fa-fw" href='javascript:void(0)'></a></li>
 				<li class='s-toc'><a class="fas fa-list fa-fw" href='javascript:void(0)'></a></li>
 			</ul>
 		</div>
diff --git a/source/less/_base.less b/source/less/_base.less
index 63fbca1..c0cd08a 100755
--- a/source/less/_base.less
+++ b/source/less/_base.less
@@ -305,9 +305,9 @@ ul.h-list {
     height: 8px;
     height: @height_navbar;
     .enable-trans();
-    background-color: fade(white, 30%);
+    background-color: fade(white, 10%);
     &.pure{
-      background-color: fade(@theme_base_tint, 30%);
+      background-color: fade(@theme_base_tint, 10%);
     }
 }
 
diff --git a/source/less/_header.less b/source/less/_header.less
index 2f7dbaf..735d6c5 100755
--- a/source/less/_header.less
+++ b/source/less/_header.less
@@ -49,12 +49,19 @@
     }
     .logo {
         padding: 0 @gap;
+        line-height: @height_navbar;
         font-size: @fontsize_logo;
         font-family: @fontfamily_logo;
         @media(max-width: @on_phone){
             flex: auto;
         }
     }
+    .nav-sub{
+        .logo {
+            font-size: @fontsize_base;
+            font-family: @fontfamily_base;
+        }
+    }
     .menu{
         position:relative;
         flex: 1 0 auto;
diff --git a/source/less/_main.less b/source/less/_main.less
index 5cf4015..f590676 100755
--- a/source/less/_main.less
+++ b/source/less/_main.less
@@ -310,6 +310,7 @@
         img {
             display: block;
             max-width: 100%;
+            border-radius: @border_radius;
         }
     }
     @media(max-width:@on_phone) {