diff --git a/readme.md b/readme.md
index df1b523..e64fe1e 100644
--- a/readme.md
+++ b/readme.md
@@ -7,9 +7,9 @@ UpdateAddress [heroku.php](/platform/heroku.php "heroku.php"),[scf.php](/platfor
 
 Theme
 
-Material Design for Classic Series(对默认主题的MD风格小优化，有对响应式、按钮外观、上传界面、路径栏随机赋色等的调整): [tfo_mdtr.php](/theme/tfo_mdtr.php "tfo_mdtr.php")(Transparent Material Design), [tfo_md.php](/theme/tfo_md.php "tfo_md.php")(Material Design), [tfo_mdtr_baw.php](/theme/tfo_mdtr_baw.php "tfo_mdtr_baw.php")(Black & White Material Design for Tomb-Sweeping Day) (All based on classic.php,latest at 2020.5.1)
+Material Design for Classic Series(对默认主题的MD风格小优化，有对响应式、按钮外观、上传界面、路径栏随机赋色、背景模糊等的调整): [tfo_mdtr.php](/theme/tfo_mdtr.php "tfo_mdtr.php")(Transparent Material Design), [tfo_md.php](/theme/tfo_md.php "tfo_md.php")(Material Design), [tfo_mdtr_baw.php](/theme/tfo_mdtr_baw.php "tfo_mdtr_baw.php")(Black & White Material Design for Tomb-Sweeping Day) (All based on classic.php,latest at 2020.5.1)
 
-具体地，您可以下载/复制体验一下或参考示例中运用tfo_mdtr.php的[Li Share Storage Mini](https://tfo.herokuapp.com/ "Li Share Storage Mini")。需要注意：以上系列主题**默认隐藏多盘和右上角语言框**，请谨慎使用！若强迫开启多盘，可以自行定位修改#L107左右more-disk前几行位置去掉display:none !important字符。目前，主题仍存在诸多问题，请谅解。PS:主题**将要实现**的功能有背景模糊等，敬请期待...
+具体地，您可以下载/复制体验一下或参考示例中运用tfo_mdtr.php的[Li Share Storage Mini](https://tfo.herokuapp.com/ "Li Share Storage Mini")。需要注意：以上系列主题**默认隐藏多盘和右上角语言框**，请谨慎使用！若强迫开启多盘，可以自行定位修改#L107左右more-disk前几行位置去掉display:none !important字符。目前，主题仍存在诸多问题，请谅解。PS:主题**将要实现**的功能有狠多，敬请期待...
 
 Original:
 
diff --git a/theme/tfo_md.php b/theme/tfo_md.php
index 8aba3ad..e4414ad 100644
--- a/theme/tfo_md.php
+++ b/theme/tfo_md.php
@@ -11,7 +11,7 @@
     <link rel="shortcut icon" href="<?php echo $_SERVER['base_disk_path'];?>favicon.ico" type="image/x-icon" />
     <style type="text/css">
         body{font-family:'-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,WenQuanYi Micro Hei,sans-serif',Helvetica,Arial,sans-serif;font-size:14px;line-height:1em;color:#000;background-color:#f7f7f9;}
-        .bkgd{<?php if (getConfig('background')) { ?>background-repeat:no-repeat;background-position:center;background-size:cover;background-attachment:fixed;background-image:url("<?php echo getConfig('background'); ?>");<?php } ?>;width:100%;filter:blur(15px);position:absolute;left:0;top:0;}
+        .bkgd{<?php if (getConfig('background')) { ?>background-repeat:no-repeat;background-position:center;background-size:cover;background-attachment:fixed;background-image:url("<?php echo getConfig('background'); ?>");<?php } ?>;width:100%;height:100%;filter:blur(3px);position:absolute;left:0;top:0;}
         a{color:#24292e;cursor:pointer;text-decoration:none}
         ion-icon{font-size:16px;vertical-align:middle}
         ::selection{background-color:rgba(200,200,200,0.6)}
diff --git a/theme/tfo_mdtr.php b/theme/tfo_mdtr.php
index 8dfffb0..1065e33 100644
--- a/theme/tfo_mdtr.php
+++ b/theme/tfo_mdtr.php
@@ -11,7 +11,7 @@
     <link rel="shortcut icon" href="<?php echo $_SERVER['base_disk_path'];?>favicon.ico" type="image/x-icon" />
     <style type="text/css">
         body{font-family:'-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,WenQuanYi Micro Hei,sans-serif',Helvetica,Arial,sans-serif;font-size:14px;line-height:1em;color:#000;background-color:#f7f7f9;}
-        .bkgd{<?php if (getConfig('background')) { ?>background-repeat:no-repeat;background-position:center;background-size:cover;background-attachment:fixed;background-image:url("<?php echo getConfig('background'); ?>");<?php } ?>;width:100%;filter:blur(15px);position:absolute;left:0;top:0;}
+        .bkgd{<?php if (getConfig('background')) { ?>background-repeat:no-repeat;background-position:center;background-size:cover;background-attachment:fixed;background-image:url("<?php echo getConfig('background'); ?>");<?php } ?>;width:100%;height:100%;filter:blur(3px);position:absolute;left:0;top:0;}
         a{color:#24292e;cursor:pointer;text-decoration:none}
         ion-icon{font-size:16px;vertical-align:middle}
         ::selection{background-color:rgba(200,200,200,0.6)}
diff --git a/theme/tfo_mdtr_baw.php b/theme/tfo_mdtr_baw.php
index 41f5003..b6556cd 100644
--- a/theme/tfo_mdtr_baw.php
+++ b/theme/tfo_mdtr_baw.php
@@ -12,8 +12,7 @@
     <style type="text/css">
         html{filter: url("data:image/svg xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);-webkit-filter: grayscale(1);}
         body{font-family:'-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,WenQuanYi Micro Hei,sans-serif',Helvetica,Arial,sans-serif;font-size:14px;line-height:1em;color:#000;background-color:#f7f7f9;}
-        .bkgd{<?php if (getConfig('background')) { ?>background-repeat:no-repeat;background-position:center;background-size:cover;background-attachment:fixed;background-image:url("<?php echo getConfig('background'); ?>");<?php } ?>;width:100%;filter:blur(15px);position:absolute;left:0;top:0;}        a{color:#24292e;cursor:pointer;text-decoration:none}
-        ion-icon{font-size:16px;vertical-align:middle}
+        .bkgd{<?php if (getConfig('background')) { ?>background-repeat:no-repeat;background-position:center;background-size:cover;background-attachment:fixed;background-image:url("<?php echo getConfig('background'); ?>");<?php } ?>;width:100%;height:100%;filter:blur(3px);position:absolute;left:0;top:0;}        ion-icon{font-size:16px;vertical-align:middle}
         ::selection{background-color:rgba(200,200,200,0.6)}
         input{cursor:pointer;padding: 0 8px;height:24px;font-weight:bold;border:1px solid rgba(27,31,35,0);transition-duration: 0.3s;border-radius:16px;background-color:transparent;color:#24292e}
     	input:hover{background:rgb(3,102,214);color:#FFF;box-shadow:0 1px 15px rgba(27,31,35,.15);border:1px solid rgba(27,31,35,.15);}