diff --git a/en/_posts/index.xml b/en/_posts/index.xml
index 3b340a9..76a4f37 100644
--- a/en/_posts/index.xml
+++ b/en/_posts/index.xml
@@ -104,11 +104,14 @@ The following html5 applications are allowed to read local files referred by &am
 VPN
 Wait for network msg
 Certificate info
+Backup to box.com
+Restore from box.com
 upload to box.com
+More webdav link menu items
 Web fullscreen
 Long pressing the bookmark button in uweb browser will popup menus defined in file "default.link". The file format is as follows:
 [Menu name]:[url][space][javascript code]
-in which space and later parts are optional. url and later parts support &amp;quot;%u&amp;quot;,&amp;quot;%s&amp;quot; etc.. The javascript code will be executed after url is fully loaded.</description>
+in which space and later parts are optional.</description>
     </item>
     
     <item>
diff --git a/en/index.html b/en/index.html
index 4072247..b14e90d 100644
--- a/en/index.html
+++ b/en/index.html
@@ -218,6 +218,12 @@
   
   
   
+  <li class="post">
+    <a href="searchurl/webdav.html">
+      <span>webdav storage menu generator</span>
+    </a>
+  </li>
+  
 </ul>
 
   </body>
diff --git a/en/index.xml b/en/index.xml
index a934a57..496fadf 100644
--- a/en/index.xml
+++ b/en/index.xml
@@ -104,7 +104,6 @@ bing image:http://bing.com/images/search?q=
 google image:http://www.google.com/images?as_q=
 flickr:http://www.flickr.com/photos/tags/
 Yandex image:https://yandex.com/images/search?text=
-wolfram:https://www.wolframalpha.com/input/?i=
 wiki:https://en.wikipedia.org/wiki/Special:Search?search=
 wikipedia:http://en.wikipedia.org/?search=
 wikifull:http://en.wikipedia.org/wiki/Special:Search?fulltext=Search&amp;amp;search=
@@ -119,6 +118,8 @@ boardreader:https://boardreader.com/s/%s.html
 bingvideo:https://www.bing.com/videos/search?q=
 vsearch:https://www.vsearch.me/s?q=
 groups:http://groups.google.com/groups/search?q=
+wolfram:https://www.wolframalpha.com/input/?i=
+fxsolver:https://www.fxsolver.com/browse/?q=
 book_google:https://google.com/search?q=%22parent+directory%22+pdf+OR+epub+OR+DjVU+OR+xps+%22%s%22+-html+-htm+-shtml+-phtml+-php+-buy+-aspx+-jsp+-asp+-cgi+-pdf+-ftp+-unknownsecret&amp;amp;num=100&amp;amp;filter=0
 annas-archive:https://annas-archive.org/search?q=
 libgen:http://gen.lib.rus.ec/search.php?req=
@@ -166,11 +167,14 @@ Note: &#34;Engines&#34; needs file &#34;engine.search&#34;，whose format is sam
 VPN
 Wait for network msg
 Certificate info
+Backup to box.com
+Restore from box.com
 upload to box.com
+More webdav link menu items
 Web fullscreen
 Long pressing the bookmark button in uweb browser will popup menus defined in file &amp;quot;default.link&amp;quot;. The file format is as follows:
 [Menu name]:[url][space][javascript code]
-in which space and later parts are optional. url and later parts support &amp;quot;%u&amp;quot;,&amp;quot;%s&amp;quot; etc.. The javascript code will be executed after url is fully loaded.</description>
+in which space and later parts are optional.</description>
     </item>
     
     <item>
diff --git a/en/links/index.html b/en/links/index.html
index bbee6c8..82fe2f4 100644
--- a/en/links/index.html
+++ b/en/links/index.html
@@ -51,7 +51,10 @@
 <a href="i:0gdefault.link::vpn:i:1dandroid.net.vpn.SETTINGS:::%0A">VPN</a></p>
 <p><a href="i:0gdefault.link::Wait msg:i:1c%0A">Wait for network msg</a></p>
 <p><a href="i:0gdefault.link::Certificate info:i:1b%0A">Certificate info</a></p>
+<p><a href="i:0gdefault.link::Backup2Box: {let path=`%f`;let iSlash=path.lastIndexOf('/',path.length-2);let f;if('/'!=path[path.length-1])f=path.substring(iSlash+1);else f=path.substring(iSlash+1,path.length-1);location.href='i:0e'+path+':https://dav.box.com/dav/'+f+'.tgz';}%0A">Backup to box.com</a></p>
+<p><a href="i:0gdefault.link::restoreFromBox: {let path=`%f`;let iSlash=path.lastIndexOf('/',path.length-2);let f;if('/'!=path[path.length-1])f=path.substring(iSlash+1);else f=path.substring(iSlash+1,path.length-1);location.href='i:0dhttps://dav.box.com/dav/'+f+'.tgz';}%0A">Restore from box.com</a></p>
 <p><a href="i:0gdefault.link::up2Box: {let path=`%f`;let iSlash=path.lastIndexOf('/',path.length-2);let f;if('/'!=path[path.length-1])f=path.substring(iSlash+1);else f=path.substring(iSlash+1,path.length-1)+'.tgz';location.href='i:0u'+path+':https://dav.box.com/dav/'+f;}%0A">upload to box.com</a></p>
+<p><a href="../searchurl/webdav.html">More webdav link menu items</a></p>
 <p><a href="i:0gdefault.link::web fullscreen: location.href='i:5fsetTimeout(()=>document.documentElement.requestFullscreen(),50);';%0A">Web fullscreen</a></p>
 <p>Long pressing the bookmark button in <a href="../index.html">uweb browser</a> will popup menus defined in file &quot;default.link&quot;. The file format is as follows:<br>
 [Menu name]:[url][space][javascript code]</p>
diff --git a/en/search/index.html b/en/search/index.html
index e8412b4..8efa340 100644
--- a/en/search/index.html
+++ b/en/search/index.html
@@ -54,7 +54,6 @@
 <p><a href="i:00google image:http://www.google.com/images?as_q=">google image:http://www.google.com/images?as_q=</a></p>
 <p><a href="i:00flickr:http://www.flickr.com/photos/tags/">flickr:http://www.flickr.com/photos/tags/</a></p>
 <p><a href="i:00Yandex image:https://yandex.com/images/search?text=">Yandex image:https://yandex.com/images/search?text=</a></p>
-<p><a href="i:00wolfram:https://www.wolframalpha.com/input/?i=">wolfram:https://www.wolframalpha.com/input/?i=</a></p>
 <p><a href="i:00wiki:https://en.wikipedia.org/wiki/Special:Search?search=">wiki:https://en.wikipedia.org/wiki/Special:Search?search=</a></p>
 <p><a href="i:00wikipedia:http://en.wikipedia.org/?search=">wikipedia:http://en.wikipedia.org/?search=</a></p>
 <p><a href="i:00wikifull:http://en.wikipedia.org/wiki/Special:Search?fulltext=Search&search=">wikifull:http://en.wikipedia.org/wiki/Special:Search?fulltext=Search&amp;search=</a></p>
@@ -69,6 +68,8 @@
 <p><a href="i:00bingvideo:https://www.bing.com/videos/search?q=">bingvideo:https://www.bing.com/videos/search?q=</a></p>
 <p><a href="i:00vsearch:https://www.vsearch.me/s?q=">vsearch:https://www.vsearch.me/s?q=</a></p>
 <p><a href="i:00groups:http://groups.google.com/groups/search?q=">groups:http://groups.google.com/groups/search?q=</a></p>
+<p><a href="i:00wolfram:https://www.wolframalpha.com/input/?i=">wolfram:https://www.wolframalpha.com/input/?i=</a></p>
+<p><a href="i:00fxsolver:https://www.fxsolver.com/browse/?q=">fxsolver:https://www.fxsolver.com/browse/?q=</a></p>
 <p><a href="i:00book_google:https://google.com/search?q=%22parent+directory%22+pdf+OR+epub+OR+DjVU+OR+xps+%22%s%22+-html+-htm+-shtml+-phtml+-php+-buy+-aspx+-jsp+-asp+-cgi+-pdf+-ftp+-unknownsecret&num=100&filter=0">book_google:https://google.com/search?q=%22parent+directory%22+pdf+OR+epub+OR+DjVU+OR+xps+%22%s%22+-html+-htm+-shtml+-phtml+-php+-buy+-aspx+-jsp+-asp+-cgi+-pdf+-ftp+-unknownsecret&amp;num=100&amp;filter=0</a></p>
 <p><a href="i:00annas-archive:https://annas-archive.org/search?q=">annas-archive:https://annas-archive.org/search?q=</a></p>
 <p><a href="i:00libgen:http://gen.lib.rus.ec/search.php?req=">libgen:http://gen.lib.rus.ec/search.php?req=</a></p>
@@ -216,6 +217,8 @@
 <a href="i:00bc:d:text/html:echo \'%s\'|bc -l -q:">bc:d:text/html:echo '%s'|bc -l -q:</a></p>
 <p><a href="i:002D plot:d:image/svg+xml:gnuplot -e \'set term svg;set output; plot %s\':">2D plot:d:image/svg+xml:gnuplot -e 'set term svg;set output; plot %s':</a></p>
 <p><a href="i:003D plot:d:image/svg+xml:gnuplot -e \'set term svg;set output; splot %s\':">3D plot:d:image/svg+xml:gnuplot -e 'set term svg;set output; splot %s':</a></p>
+<p>More at:<br>
+<a href="https://alternativeto.net/software/google-search/?feature=web-search">alternativeto</a></p>
 
 </div>
 
diff --git a/en/searchurl/template/webdav.html b/en/searchurl/template/webdav.html
new file mode 100644
index 0000000..177fe44
--- /dev/null
+++ b/en/searchurl/template/webdav.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html><html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width" />
+<title>webdav links for %2%</title></head><body>
+<p><b>Click to install the link menu items:</b></p>
+<a href="i:0gdefault.link::Backup2%1%: {let path=`%f`;let iSlash=path.lastIndexOf('/',path.length-2);let f;if('/'!=path[path.length-1])f=path.substring(iSlash+1);else f=path.substring(iSlash+1,path.length-1);location.href='i:0e'+path+':%2%/'+f+'.tgz';}%0A">Backup to %1%</a><br>
+
+<a href="i:0gdefault.link::restoreFrom%1%: {let path=`%f`;let iSlash=path.lastIndexOf('/',path.length-2);let f;if('/'!=path[path.length-1])f=path.substring(iSlash+1);else f=path.substring(iSlash+1,path.length-1);location.href='i:0d%2%/'+f+'.tgz';}%0A">Restore from %1%</a><br>
+
+<a href="i:0gdefault.link::upload_%1%: {let path=`%f`;let iSlash=path.lastIndexOf('/',path.length-2);let f;if('/'!=path[path.length-1])f=path.substring(iSlash+1);else f=path.substring(iSlash+1,path.length-1)+'.tgz';location.href='i:0u'+path+':%2%/'+f;}%0A">upload to %1%</a><br>
+
+<a href="i:0gdefault.link::delete_%1%: {let path=`%f`;let iSlash=path.lastIndexOf('/',path.length-2);let f;if('/'!=path[path.length-1])f=path.substring(iSlash+1);else f=path.substring(iSlash+1,path.length-1)+'.tgz';location.href='i:0wDELETE:%2%/'+f;}%0A">Delete on server %1%</a><br>
+
+<a href="i:0gdefault.link::mkdir_%1%: {let path=`%f`;let iSlash=path.lastIndexOf('/',path.length-2);let f=path.substring(iSlash+1);location.href='i:0wMKCOL:%2%/'+f;}%0A">Make directory on server %1%</a><br>
+
+<p><b>Bookmarks:</b></p>
+<a href='i:0wDELETE:%2%/'>Delete on server %1%</a><br>
+<a href='i:0wMKCOL:%2%/'>Make directory on server %1%</a><br>
+
+</body></html>
diff --git a/en/searchurl/webdav.html b/en/searchurl/webdav.html
new file mode 100644
index 0000000..60fe1f7
--- /dev/null
+++ b/en/searchurl/webdav.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html><html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width" />
+<script>function g(){
+  let d=document;
+  let f=d.forms[0];
+  let loc = window.location.href;
+  let dir = loc.substring(0, loc.lastIndexOf ("/")+1);
+  window.open("f:"+f.i.value+"&"+f.u.value+":"+dir+"template/webdav.html");
+  return false;
+}
+</script><style>
+input{height:40px;width:100%;border-radius:50px;}
+</style>
+<title>webdav storage</title></head><body>
+<p>This page is to generate install-able menu items and bookmarks for webdav cloud storage operations (upload, backup/restore, delete and create directory).</p>
+
+Bookmark the generated page for later use.<br>
+<form onsubmit="return g();" style="margin:5px 0 5px 0;padding:0px">
+  <input name=i placeholder="Name"/><br>
+  <input name=u placeholder="Server url including path"/><br>
+  <input type="submit" value="webdav links">
+</form>
+
+<p>
+  <a href="javascript:{let f=document.forms[0];f.i.value='Box';f.u.value='https://dav.box.com/dav';void(0)}">Box</a>
+  <a href="javascript:{let f=document.forms[0];f.i.value='koofr';f.u.value='https://app.koofr.net/dav/koofr';void(0)}">koofr</a>
+  <a href="javascript:{let f=document.forms[0];f.i.value='pcloud';f.u.value='https://webdav.pcloud.com';void(0)}">pcloud</a>
+  <a href="javascript:{let f=document.forms[0];f.i.value='powerfolder';f.u.value='https://my.powerfolder.com/webdav/personal';void(0)}">powerfolder</a>
+  <a href="javascript:{let f=document.forms[0];f.i.value='yandex';f.u.value='https://webdav.yandex.com';void(0)}">yandex</a>
+  <a href="javascript:{let f=document.forms[0];f.i.value='opendrive';f.u.value='https://webdav.opendrive.com';void(0)}">opendrive</a>
+  <a href="javascript:{let f=document.forms[0];f.i.value='sme';f.u.value='https://webdav.storagemadeeasy.com';void(0)}">storagemadeeasy</a>
+  <a href="javascript:{let f=document.forms[0];f.i.value='teracloud';f.u.value='https://yura.teracloud.jp/dav';void(0)}">teracloud</a>
+</p>
+
+
+</body></html>
+
+
+
+
+
+
+
+    
diff --git a/en/topposts/index.xml b/en/topposts/index.xml
index c66a389..3a1def5 100644
--- a/en/topposts/index.xml
+++ b/en/topposts/index.xml
@@ -37,7 +37,6 @@ bing image:http://bing.com/images/search?q=
 google image:http://www.google.com/images?as_q=
 flickr:http://www.flickr.com/photos/tags/
 Yandex image:https://yandex.com/images/search?text=
-wolfram:https://www.wolframalpha.com/input/?i=
 wiki:https://en.wikipedia.org/wiki/Special:Search?search=
 wikipedia:http://en.wikipedia.org/?search=
 wikifull:http://en.wikipedia.org/wiki/Special:Search?fulltext=Search&amp;amp;search=
@@ -52,6 +51,8 @@ boardreader:https://boardreader.com/s/%s.html
 bingvideo:https://www.bing.com/videos/search?q=
 vsearch:https://www.vsearch.me/s?q=
 groups:http://groups.google.com/groups/search?q=
+wolfram:https://www.wolframalpha.com/input/?i=
+fxsolver:https://www.fxsolver.com/browse/?q=
 book_google:https://google.com/search?q=%22parent+directory%22+pdf+OR+epub+OR+DjVU+OR+xps+%22%s%22+-html+-htm+-shtml+-phtml+-php+-buy+-aspx+-jsp+-asp+-cgi+-pdf+-ftp+-unknownsecret&amp;amp;num=100&amp;amp;filter=0
 annas-archive:https://annas-archive.org/search?q=
 libgen:http://gen.lib.rus.ec/search.php?req=
diff --git a/index.html b/index.html
index 33185bf..db7d507 100644
--- a/index.html
+++ b/index.html
@@ -1,10 +1 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <title>en/</title>
-    <link rel="canonical" href="en/">
-    <meta name="robots" content="noindex">
-    <meta charset="utf-8">
-    <meta http-equiv="refresh" content="0; url=en/">
-  </head>
-</html>
+<meta http-equiv="refresh" content="0; url=en/index.html">
diff --git a/zh/_posts/index.xml b/zh/_posts/index.xml
index 69a75b9..fb8dc59 100644
--- a/zh/_posts/index.xml
+++ b/zh/_posts/index.xml
@@ -168,6 +168,7 @@ VPN
 wireless
 显示网站安全证书
 上传坚果云
+更多 webdav ...
 迅雷盘离线
 网页全屏
 点击安装Cookie延期，地址栏内删除特殊字符，站内搜索，seedr离线下载等
diff --git a/zh/index.xml b/zh/index.xml
index 62edbcb..aadcd20 100644
--- a/zh/index.xml
+++ b/zh/index.xml
@@ -347,6 +347,7 @@ VPN
 wireless
 显示网站安全证书
 上传坚果云
+更多 webdav ...
 迅雷盘离线
 网页全屏
 点击安装Cookie延期，地址栏内删除特殊字符，站内搜索，seedr离线下载等
diff --git a/zh/links/index.html b/zh/links/index.html
index 95ea49e..518cd3d 100644
--- a/zh/links/index.html
+++ b/zh/links/index.html
@@ -52,6 +52,7 @@
 <a href="i:0gdefault.link::wireless:i:1dandroid.settings.WIRELESS_SETTINGS:::%0A">wireless</a><br>
 <a href="i:0gdefault.link::显示安全证书:i:1b%0A">显示网站安全证书</a><br>
 <a href="i:0gdefault.link::上传坚果云: {let path=`%f`;let iSlash=path.lastIndexOf('/',path.length-2);let f;if('/'!=path[path.length-1])f=path.substring(iSlash+1);else f=path.substring(iSlash+1,path.length-1)+'.tgz';location.href='i:0u'+path+':https://dav.jianguoyun.com/dav/%e6%88%91%e7%9a%84%e5%9d%9a%e6%9e%9c%e4%ba%91/'+f;}%0A">上传坚果云</a></p>
+<p><a href="../../en/searchurl/webdav.html">更多 webdav ...</a></p>
 <p><a href="i:0gdefault.link::迅雷盘离线:http://pan.xunlei.com/ {let rsc=setInterval(function(){var offBtn=document.querySelector('.pan-dropdown-menu.plus-menu>a:nth-child(2)');if(offBtn){clearInterval(rsc);var wsc=setInterval(function(){offBtn.click();var textarea=document.querySelector('.fileurl-input__container>textarea');if(textarea){clearInterval(wsc);textarea.value='%25u';var event=document.createEvent('HTMLEvents');event.initEvent('input',false,true);textarea.dispatchEvent(event);document.querySelector('.pan-dialog-btn__primary').click();}},200);}},1000);}%0A">迅雷盘离线</a></p>
 <p><a href="i:0gdefault.link::网页全屏: location.href='i:5fsetTimeout(()=>document.documentElement.requestFullscreen(),50);';%0A">网页全屏</a></p>
 <p><a href="i:0gdefault.link:https://fastly.jsdelivr.net/gh/torappinfo/uweb/zh/searchurl/txt/link.cfg">点击安装Cookie延期，地址栏内删除特殊字符，站内搜索，seedr离线下载等</a><br>
diff --git a/zh/searchurl/backup.html b/zh/searchurl/backup.html
index d61c697..1d228d7 100644
--- a/zh/searchurl/backup.html
+++ b/zh/searchurl/backup.html
@@ -33,7 +33,7 @@ input{height:40px;width:100%;border-radius:50px;}
   <a href="javascript:document.forms[0].u.value='https://webdav.pcloud.com/uweb.tgz';void(0)">pcloud</a>
   <a href="javascript:document.forms[0].u.value='https://webdav.yandex.com/uweb.tgz';void(0)">yandex</a>
   <a href="javascript:document.forms[0].u.value='https://webdav.opendrive.com/uweb.tgz';void(0)">opendrive</a>
-  <a href="javascript:document.forms[0].u.value='https://dav.box.com/dav/uweb.tgz';void(0)"></a>
+  <a href="javascript:document.forms[0].u.value='https://dav.box.com/dav/uweb.tgz';void(0)">Box</a>
   <a href="javascript:document.forms[0].u.value='https://yura.teracloud.jp/dav/uweb.tgz';void(0)">teracloud</a>
 
 <br>