diff --git a/disk_bg.jpg b/disk_bg.jpg
index f0f724b..00d64bb 100644
Binary files a/disk_bg.jpg and b/disk_bg.jpg differ
diff --git a/hk_style.css b/hk_style.css
index 0597039..ca2140a 100644
--- a/hk_style.css
+++ b/hk_style.css
@@ -104,7 +104,10 @@ header{
   background-color: rgba(0,0,0,0);
 }
 body{
-  background: black;
+  background: url("https://git.chenx221.cyou/chenx221/Public_Assets/raw/branch/main/disk_bg.jpg");
+  background-size: cover;
+  background-repeat: no-repeat no-repeat;
+cover; 
 }
 .column .card{
   background-color: rgba(255, 255, 255, 0.8);