diff --git a/theme/lybwb.php b/theme/lybwb.php
index 3ad22dc..64ab6a4 100644
--- a/theme/lybwb.php
+++ b/theme/lybwb.php
@@ -10,7 +10,12 @@
     <link rel="icon" href="https://cdn.jsdelivr.net/gh/ldxw/CDN@0.003/favicon/64x64/favicon.ico" type="image/x-icon" />
     <link rel="shortcut icon" href="https://cdn.jsdelivr.net/gh/ldxw/CDN@0.003/favicon/64x64/favicon.ico" type="image/x-icon" />
     <style type="text/css">
-        body{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:14px;line-height:1em;color:#000;background-color:#000000;background-image:url("<?php echo getConfig('background')?getConfig('background'):($_SERVER['base_disk_path'].'background.jpg'); ?>");/**background-repeat:*/no-repeat;width:100％;height:100％;min－width:1000px;background-size:cover;-webkit-background-size:cover;-o-background-size:cover;background－position:center0;}
+        body{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:14px;line-height:1em;color:#000;background-color:#000000;background-image:url("<?php echo getConfig('background')?getConfig('background'):($_SERVER['base_disk_path'].'background.jpg'); ?>")!important;
+			background-position: center bottom !important;
+			background-size: cover !important;
+			background-attachment: fixed !important;
+            background-repeat: no-repeat !important;
+        }
         a{color:#FFFFFF;cursor:pointer;text-decoration:none}
         ion-icon{font-size:15px;vertical-align:bottom}
         a:hover{color:#05f7d5;}