diff --git a/hk_style.css b/hk_style.css
index cc0bc7c..1257adc 100644
--- a/hk_style.css
+++ b/hk_style.css
@@ -111,8 +111,9 @@
   border-radius: 8px;
 }
 /* beauty */
+/* 2023.3.1 update */
 header{
-  background-color: rgba(0,0,0,0);
+  background-color: rgb(255 255 255 / 50%);
 }
 body{
   background: url("https://git.chenx221.cyou/chenx221/Public_Assets/raw/branch/main/disk_bg.jpg") center;
@@ -133,3 +134,12 @@ body{
 /* .breadcrumbs{
   background-color: rgba(255,255,255,0.7)
 } */
+
+/* 2023.3.1 update */
+.breadcrumbs, .breadcrumbs span{
+  color: #3a3a3a !important;
+}
+body div div nav {
+    background-color: rgb(255 255 255 / 50%);
+    border-bottom-right-radius: 16px;
+}