diff --git a/site/theme/static/common.less b/site/theme/static/common.less
index 59a3679f07..6c08b588ca 100644
--- a/site/theme/static/common.less
+++ b/site/theme/static/common.less
@@ -40,6 +40,9 @@ a {
 
 .main-menu {
   z-index: 1;
+  .ant-menu {
+    border-color: @site-border-color-split;
+  }
 }
 
 .aside-container {
diff --git a/site/theme/static/home.less b/site/theme/static/home.less
index 8098bb1533..dc89e87361 100644
--- a/site/theme/static/home.less
+++ b/site/theme/static/home.less
@@ -253,7 +253,7 @@ svg {
       .block-text-wrapper {
         padding-bottom: 24px;
         position: relative;
-        border-bottom: 1px solid #ebedf0;
+        border-bottom: 1px solid @site-border-color-split;
         h4 {
           font-size: 20px;
           line-height: 28px;
diff --git a/site/theme/static/responsive.less b/site/theme/static/responsive.less
index 0067a7e5b1..f1aef06932 100644
--- a/site/theme/static/responsive.less
+++ b/site/theme/static/responsive.less
@@ -257,7 +257,7 @@
       .product-block {
         padding-bottom: 35px;
         margin-bottom: 34px;
-        border-bottom: 1px solid #ebedf0;
+        border-bottom: 1px solid @site-border-color-split;
         &:last-child {
           margin-bottom: 32px;
           border-bottom: none;
diff --git a/site/theme/static/toc.less b/site/theme/static/toc.less
index f9ccc96beb..050e6ec0d8 100644
--- a/site/theme/static/toc.less
+++ b/site/theme/static/toc.less
@@ -2,7 +2,7 @@
   font-size: 12px;
   margin: 16px 0;
   padding-left: 0;
-  border-left: 1px solid #ebedf0;
+  border-left: 1px solid @site-border-color-split;
   list-style: none;
 }