diff --git a/_posts/index.xml b/_posts/index.xml
index 0baf167..1a20cd1 100644
--- a/_posts/index.xml
+++ b/_posts/index.xml
@@ -360,7 +360,8 @@ pdf:uweb:echo file:///sdcard/uweb/app/pdf.js/web/viewer.html?file=%u djvu:uweb:e
       <pubDate>Thu, 20 Aug 2020 00:00:00 +0000</pubDate>
       
       <guid>https://jamesfengcao.gitee.io/uwebzh/html5/</guid>
-      <description>点击安装超大文件阅读器（支持markdown）
+      <description>点击安装超大文件阅读器（支持txt, html, markdown）
+点击安装超大文件阅读器（markdeep版, tex, diagram等）
 点击安装plyr视频播放器
 点击安装dplayer视频播放器
 点击安装pdf阅读器
diff --git a/html5/index.html b/html5/index.html
index b7b83c8..8266137 100644
--- a/html5/index.html
+++ b/html5/index.html
@@ -23,7 +23,8 @@
   <ul class="tags">
     
   </ul>
-  <p><a target="_self" href="i:0h/sdcard/uweb/app/txtview.html:https://cdn.jsdelivr.net/gh/torappinfo/uwebzh/searchurl/txt/txtview.html">点击安装超大文件阅读器（支持markdown）</a><br>
+  <p><a target="_self" href="i:0h/sdcard/uweb/app/txtview.html:https://cdn.jsdelivr.net/gh/torappinfo/uwebzh/searchurl/txt/txtview.html">点击安装超大文件阅读器（支持txt, html, markdown）</a><br>
+<a target="_self" href="i:0h/sdcard/uweb/app/markdeep.html:https://cdn.jsdelivr.net/gh/torappinfo/uwebzh/searchurl/txt/markdeep.html">点击安装超大文件阅读器（markdeep版, tex, diagram等）</a><br>
 <a target="_self" href="i:0h/sdcard/uweb/app/plyr.html:https://cdn.jsdelivr.net/gh/torappinfo/uwebzh/searchurl/txt/plyr.cfg">点击安装plyr视频播放器</a><br>
 <a target="_self" href="i:0h/sdcard/uweb/app/dplayer.html:https://cdn.jsdelivr.net/gh/torappinfo/uwebzh/searchurl/txt/dplayer.html">点击安装dplayer视频播放器</a><br>
 <a target="_self" href="i:0h/sdcard/uweb/app/pdfviewer.html:https://cdn.jsdelivr.net/gh/torappinfo/uwebzh/searchurl/txt/pdfviewer.html">点击安装pdf阅读器</a><br>
diff --git a/index.html b/index.html
index 35917bd..bd89ae6 100644
--- a/index.html
+++ b/index.html
@@ -1,7 +1,7 @@
 <!doctype html>
 <html>
   <head>
-	<meta name="generator" content="Hugo 0.88.1" />
+	<meta name="generator" content="Hugo 0.89.0" />
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     
diff --git a/index.xml b/index.xml
index ecbe63a..372c0b8 100644
--- a/index.xml
+++ b/index.xml
@@ -360,7 +360,8 @@ pdf:uweb:echo file:///sdcard/uweb/app/pdf.js/web/viewer.html?file=%u djvu:uweb:e
       <pubDate>Thu, 20 Aug 2020 00:00:00 +0000</pubDate>
       
       <guid>https://jamesfengcao.gitee.io/uwebzh/html5/</guid>
-      <description>点击安装超大文件阅读器（支持markdown）
+      <description>点击安装超大文件阅读器（支持txt, html, markdown）
+点击安装超大文件阅读器（markdeep版, tex, diagram等）
 点击安装plyr视频播放器
 点击安装dplayer视频播放器
 点击安装pdf阅读器
diff --git a/searchurl/txt/markdeep.html b/searchurl/txt/markdeep.html
index 4521811..529f40f 100644
--- a/searchurl/txt/markdeep.html
+++ b/searchurl/txt/markdeep.html
@@ -1,8 +1,8 @@
 <head>
-  <link rel="stylesheet" href="https://morgan3d.github.io/markdeep/latest/latex.css?"><!-- Markdeep: --><style class="fallback">body{visibility:hidden}</style>
-  <script src="https://morgan3d.github.io/markdeep/latest/markdeep.min.js?" charset="utf-8"></script>
+  <script>window.markdeepOptions = {mode: 'script'};</script>
+  <script src="https://morgan3d.github.io/markdeep/latest/markdeep.min.js"></script>
+  <script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
   <script>
-    window.addEventListener('hashchange',loadSlice);
     function absFile(url) {
       this.name=url;
       this.slice = async(offset, length) =>{
@@ -21,32 +21,42 @@
       }
     }
     
-    var uwebfile;
+    var file = new absFile(location.search.substring(5));//?url=#page=
+    window.addEventListener('hashchange',loadSlice);
+    loadSlice();
+
     function loadSlice(){
+      var url;
       var page = 1;
       var blocksize = 1024;
-      var extrasize = 2048;
-
+      var extrasize = 1024; //extrasize should <= blocksize
       let lhash = location.hash;
       if(lhash)
         page = parseInt(lhash.substring(6),10);
-      uwebfile.slice(blocksize*(page-1),blocksize+extrasize).then((buffer)=>{
+      file.slice(blocksize*(page-1),blocksize+extrasize).then((buffer)=>{
         let u8 = new Uint8Array(buffer);
         let iStart = 0;
         if(1!=page){
-          while(10!=u8[iStart]) iStart++;
+          for(let i=1;i<extrasize;i=i+2){
+            if(10==u8[i] && 10==u8[i-1]) {
+              iStart = i+1;
+              break;
+            }
+          }
         }
-        let iEnd = u8.indexOf(10,blocksize);//fine newline(10)
-        if(-1==iEnd) iEnd = blocksize;
-        iEnd++;
-        document.body.innerHTML = new TextDecoder().decode(u8.slice(iStart,iEnd));
+        let iEnd = blocksize;
+        for(let i=blocksize+1;i<blocksize+extrasize;i=i+2){
+          if(10==u8[i] && 10==u8[i-1]) {
+            iEnd = i+1;
+            break;
+          }
+        }
+        document.body.innerHTML = window.markdeep.format(new TextDecoder().decode(u8.slice(iStart,iEnd)),true);
+        MathJax.typesetPromise();
       });
 
     }
-    //?url=#page=
-    uwebfile = new absFile(location.search.substring(5));
-    loadSlice();
   </script>
 </head>
 <body>
-<body>
+</body>
diff --git a/searchurl/txt/txtview.html b/searchurl/txt/txtview.html
index 42dbe20..83a5e16 100644
--- a/searchurl/txt/txtview.html
+++ b/searchurl/txt/txtview.html
@@ -19,12 +19,12 @@
       }
     }
     
-    var url;
-    var page = 1;
-    var blocksize = 1024;
-    var extrasize = 1024; //extrasize should <= blocksize
     var file;
     function loadSlice(){
+      var url;
+      var page = 1;
+      var blocksize = 1024;
+      var extrasize = 1024; //extrasize should <= blocksize
       let lhash = location.hash;
       if(lhash)
         page = parseInt(lhash.substring(6),10);
@@ -51,13 +51,11 @@
 
     }
     window.addEventListener('hashchange',loadSlice);
-  </script>
-</head>
-<body>
-  <script>
     //?url=#page=
     file = new absFile(location.search.substring(5));
     //let viewElement = document.querySelector("#viewer");
     loadSlice();
   </script>
+</head>
 <body>
+</body>
