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+        &copy; 2021
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             DavidZ
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-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
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+        &copy; 2021
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             DavidZ
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+        &copy; 2021
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+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
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+        &copy; 2021
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             DavidZ
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+        &copy; 2021
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             DavidZ
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+        &copy; 2021
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             DavidZ
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+        &copy; 2021
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             DavidZ
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+        &copy; 2021
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             DavidZ
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+        &copy; 2021
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-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
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 <footer>
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+        &copy; 2021
         <span class="gradient-text">
             DavidZ
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diff --git a/archives/index.html b/archives/index.html
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 <footer>
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+        &copy; 2021
         <span class="gradient-text">
             DavidZ
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 <footer>
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+        &copy; 2021
         <span class="gradient-text">
             DavidZ
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-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
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@@ -36,6 +35,7 @@
     
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+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -266,7 +266,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -480,4 +480,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/categories/Idea/index.html b/categories/Idea/index.html
index 4181b9e..5159631 100644
--- a/categories/Idea/index.html
+++ b/categories/Idea/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -209,7 +209,7 @@ cos\theta &amp; sin\theta \\\<br>
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -423,4 +423,6 @@ cos\theta &amp; sin\theta \\\<br>
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/categories/Internship/index.html b/categories/Internship/index.html
index 6ffe2f7..a8171d8 100644
--- a/categories/Internship/index.html
+++ b/categories/Internship/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -269,7 +269,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -483,4 +483,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/categories/Paper-Review/index.html b/categories/Paper-Review/index.html
index 8d6b4b6..2d76430 100644
--- a/categories/Paper-Review/index.html
+++ b/categories/Paper-Review/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -228,7 +228,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -442,4 +442,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/categories/Personal/index.html b/categories/Personal/index.html
index 0683fc8..a8bdccf 100644
--- a/categories/Personal/index.html
+++ b/categories/Personal/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -211,7 +211,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -425,4 +425,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/categories/Productivity/index.html b/categories/Productivity/index.html
index fd9430f..2ecdb1c 100644
--- a/categories/Productivity/index.html
+++ b/categories/Productivity/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -383,7 +383,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -597,4 +597,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/categories/Study/index.html b/categories/Study/index.html
index a442b4a..dffd68f 100644
--- a/categories/Study/index.html
+++ b/categories/Study/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -212,7 +212,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -426,4 +426,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/categories/Workaround/index.html b/categories/Workaround/index.html
index 9c50b25..76afeb8 100644
--- a/categories/Workaround/index.html
+++ b/categories/Workaround/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -322,7 +322,7 @@ cos\theta &amp; sin\theta \\
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -536,4 +536,6 @@ cos\theta &amp; sin\theta \\
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/categories/index.html b/categories/index.html
index 8a9810d..e7e78e5 100644
--- a/categories/index.html
+++ b/categories/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -81,7 +81,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -295,4 +295,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/css/theme.css b/css/theme.css
index 81e985d..a1b431b 100644
--- a/css/theme.css
+++ b/css/theme.css
@@ -11,6 +11,22 @@
   --code-gradient-dark: #afcafd;
   --maxwidth: 1284px;
 }
+/* roboto-mono-regular */
+@font-face {
+  font-family: 'Roboto Mono';
+  font-style: normal;
+  font-weight: regular;
+  src: url("//lib.baomitu.com/fonts/roboto-mono/roboto-mono-regular.eot"); /* IE9 Compat Modes */
+  src: local('Roboto Mono'), local('RobotoMono-Normal'), url("//lib.baomitu.com/fonts/roboto-mono/roboto-mono-regular.eot?#iefix") format('embedded-opentype'), url("//lib.baomitu.com/fonts/roboto-mono/roboto-mono-regular.woff2") format('woff2'), url("//lib.baomitu.com/fonts/roboto-mono/roboto-mono-regular.woff") format('woff'), url("//lib.baomitu.com/fonts/roboto-mono/roboto-mono-regular.ttf") format('truetype'), url("//lib.baomitu.com/fonts/roboto-mono/roboto-mono-regular.svg#RobotoMono") format('svg'); /* Legacy iOS */
+}
+/* rubik-regular */
+@font-face {
+  font-family: 'Rubik';
+  font-style: normal;
+  font-weight: regular;
+  src: url("//lib.baomitu.com/fonts/rubik/rubik-regular.eot"); /* IE9 Compat Modes */
+  src: local('Rubik'), local('Rubik-Normal'), url("//lib.baomitu.com/fonts/rubik/rubik-regular.eot?#iefix") format('embedded-opentype'), url("//lib.baomitu.com/fonts/rubik/rubik-regular.woff2") format('woff2'), url("//lib.baomitu.com/fonts/rubik/rubik-regular.woff") format('woff'), url("//lib.baomitu.com/fonts/rubik/rubik-regular.ttf") format('truetype'), url("//lib.baomitu.com/fonts/rubik/rubik-regular.svg#Rubik") format('svg'); /* Legacy iOS */
+}
 .gradient-text {
   background: var(--primary) !important;
   background: -webkit-linear-gradient(to right, var(--primary), var(--secondary), var(--dark)) !important;
diff --git a/hello-world/index.html b/hello-world/index.html
index d0727f4..dc1c4b9 100644
--- a/hello-world/index.html
+++ b/hello-world/index.html
@@ -18,7 +18,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -40,6 +39,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -220,7 +220,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -434,4 +434,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/index.html b/index.html
index adf5825..289e930 100644
--- a/index.html
+++ b/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -724,7 +724,7 @@ cos\theta &amp; sin\theta \\
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -938,4 +938,6 @@ cos\theta &amp; sin\theta \\
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/inspur-internship/index.html b/inspur-internship/index.html
index dceb6eb..80e97a9 100644
--- a/inspur-internship/index.html
+++ b/inspur-internship/index.html
@@ -19,7 +19,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -41,6 +40,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -400,7 +400,7 @@ set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib/)
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -614,4 +614,6 @@ set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib/)
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/inspur-ip-guard-uninstallation/index.html b/inspur-ip-guard-uninstallation/index.html
index 8c8b477..2cac8f7 100644
--- a/inspur-ip-guard-uninstallation/index.html
+++ b/inspur-ip-guard-uninstallation/index.html
@@ -21,7 +21,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -43,6 +42,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -325,7 +325,7 @@ C:\WINDOWS\SysWOW64\drivers
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -539,4 +539,6 @@ C:\WINDOWS\SysWOW64\drivers
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/jenkins-update-solution-inside-gfw/index.html b/jenkins-update-solution-inside-gfw/index.html
index a32da64..96a5711 100644
--- a/jenkins-update-solution-inside-gfw/index.html
+++ b/jenkins-update-solution-inside-gfw/index.html
@@ -18,7 +18,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -40,6 +39,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -244,7 +244,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -458,4 +458,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/js/obsidian.js b/js/obsidian.js
index d6d6207..bc1b6ea 100644
--- a/js/obsidian.js
+++ b/js/obsidian.js
@@ -41,7 +41,7 @@ function scrollSpy(menuSelector, options) {
       var newActive = [];
 
       for (
-        var target = menu.find("[href='#" + id + "']");
+        var target = menu.find('[href="#' + id + '"],[href="#' + encodeURIComponent(id) + '"]');
         target.length && !target.is(menu);
         target = target.parent()
       ) {
@@ -164,7 +164,7 @@ var Obsidian = {
   HS: function (tag, flag) {
     var id = tag.data('id') || 0,
       url = tag.attr('href'),
-      title = tag.attr('title') + ' - ' + $('#config-title').text();
+      title = (tag.attr('title') || tag[0].innerText) + ' - ' + $('#config-title').text();
 
     if (!$('#preview').length || !(window.history && history.pushState)) location.href = url;
     Obsidian.loading();
@@ -228,6 +228,7 @@ var Obsidian = {
       $('#preview').addClass('show');
       $('#container').data('scroll', window.scrollY);
       setTimeout(function () {
+        $('body').removeClass('fixed');
         $('#preview').css({
           position: 'static',
           // 'overflow-y': 'auto'
@@ -1099,7 +1100,7 @@ $(function () {
               500
             );
             document.querySelectorAll('pre code').forEach(block => {
-              hljs.highlightBlock(block);
+              if(typeof hljs !== 'undefined') hljs.highlightBlock(block);
             });
             Obsidian.setCodeRowWithLang();
             if ($('#vcomments').length) {
@@ -1177,7 +1178,7 @@ $(function () {
         } else {
           hash = $(e.target).attr('href');
         }
-        to = $('.content :header').find('[href="' + hash + '"]');
+        to = $('.content :header').find('[href="' + hash + '"],[href="' + decodeURIComponent(hash) + '"]');
         $('html,body').animate(
           {
             scrollTop: to.offset().top - 80,
diff --git a/js/search.js b/js/search.js
index 8be78c6..23de6b3 100644
--- a/js/search.js
+++ b/js/search.js
@@ -62,7 +62,7 @@ var searchFunc = function (path, search_id, content_id) {
           var data_title = orig_data_title.toLowerCase();
           var orig_data_content = data.content.trim().replace(/<[^>]+>/g, "");
           var data_content = orig_data_content.toLowerCase();
-          var data_url = data.url;
+          var data_url = /^\//.test(data.url) ? '' : '/' + data.url;
           var index_title = -1;
           var index_content = -1;
           var first_occur = -1;
diff --git a/kinsing-virus/index.html b/kinsing-virus/index.html
index f1aa042..388cda1 100644
--- a/kinsing-virus/index.html
+++ b/kinsing-virus/index.html
@@ -18,7 +18,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -40,6 +39,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -246,7 +246,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -460,4 +460,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/multiline-equation-in-hexo/index.html b/multiline-equation-in-hexo/index.html
index 5f23c28..4fb3a00 100644
--- a/multiline-equation-in-hexo/index.html
+++ b/multiline-equation-in-hexo/index.html
@@ -20,7 +20,6 @@ $$
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -42,6 +41,7 @@ $$
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -248,7 +248,7 @@ $$
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -462,4 +462,6 @@ $$
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/page/2/index.html b/page/2/index.html
index d68f058..9a6a1a9 100644
--- a/page/2/index.html
+++ b/page/2/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -489,7 +489,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -703,4 +703,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/rattle-change-language/index.html b/rattle-change-language/index.html
index 2862fc1..185baff 100644
--- a/rattle-change-language/index.html
+++ b/rattle-change-language/index.html
@@ -20,7 +20,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -42,6 +41,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -223,7 +223,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -437,4 +437,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/ANU/index.html b/tags/ANU/index.html
index 80c2940..717a15b 100644
--- a/tags/ANU/index.html
+++ b/tags/ANU/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -276,7 +276,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -490,4 +490,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Ada/index.html b/tags/Ada/index.html
index 5f958cc..532a4c7 100644
--- a/tags/Ada/index.html
+++ b/tags/Ada/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -213,7 +213,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -427,4 +427,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/CV/index.html b/tags/CV/index.html
index bdcf35f..c78edae 100644
--- a/tags/CV/index.html
+++ b/tags/CV/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -229,7 +229,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -443,4 +443,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Cpp/index.html b/tags/Cpp/index.html
index 8f72bab..a4a7ed7 100644
--- a/tags/Cpp/index.html
+++ b/tags/Cpp/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -212,7 +212,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -426,4 +426,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Dataset/index.html b/tags/Dataset/index.html
index e6501f9..d05da39 100644
--- a/tags/Dataset/index.html
+++ b/tags/Dataset/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -229,7 +229,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -443,4 +443,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Docker/index.html b/tags/Docker/index.html
index d9f0757..7e6679d 100644
--- a/tags/Docker/index.html
+++ b/tags/Docker/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -215,7 +215,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -429,4 +429,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Javascript/index.html b/tags/Javascript/index.html
index dabc94a..c616fe9 100644
--- a/tags/Javascript/index.html
+++ b/tags/Javascript/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -220,7 +220,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -434,4 +434,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Linux/index.html b/tags/Linux/index.html
index b6d380d..4907e6a 100644
--- a/tags/Linux/index.html
+++ b/tags/Linux/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
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@@ -321,7 +321,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -535,4 +535,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Markdown/index.html b/tags/Markdown/index.html
index 6eab321..c51c9bf 100644
--- a/tags/Markdown/index.html
+++ b/tags/Markdown/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -274,7 +274,7 @@ $$
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -488,4 +488,6 @@ $$
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Open-Source/index.html b/tags/Open-Source/index.html
index aa0fe2e..0f72ddf 100644
--- a/tags/Open-Source/index.html
+++ b/tags/Open-Source/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -272,7 +272,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -486,4 +486,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Others/index.html b/tags/Others/index.html
index 3c6e85b..aa3b6ac 100644
--- a/tags/Others/index.html
+++ b/tags/Others/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -212,7 +212,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -426,4 +426,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/R/index.html b/tags/R/index.html
index c25dd81..f52dca6 100644
--- a/tags/R/index.html
+++ b/tags/R/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -212,7 +212,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -426,4 +426,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Shell/index.html b/tags/Shell/index.html
index e47aaec..7dd411c 100644
--- a/tags/Shell/index.html
+++ b/tags/Shell/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -215,7 +215,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -429,4 +429,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Terminal/index.html b/tags/Terminal/index.html
index 76ab35f..00a6cfc 100644
--- a/tags/Terminal/index.html
+++ b/tags/Terminal/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -215,7 +215,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -429,4 +429,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/Windows/index.html b/tags/Windows/index.html
index 875e7ee..98c208f 100644
--- a/tags/Windows/index.html
+++ b/tags/Windows/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -71,7 +71,7 @@
         
     </ul>
     <p class="copyright" id="copyright">
-        &copy; 2020 DavidZ.
+        &copy; 2021 DavidZ.
         Powered by <a href="http://hexo.io/" title="Hexo" target="_blank" rel="noopener">Hexo</a>
         Theme <a href="https://github.com/TriDiamond/hexo-theme-obsidian" title="Obsidian" target="_blank" rel="noopener">Obsidian</a>
     </p>
@@ -484,7 +484,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -698,4 +698,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/tags/index.html b/tags/index.html
index b50f6a0..9dd52f8 100644
--- a/tags/index.html
+++ b/tags/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -82,7 +82,7 @@
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -296,4 +296,6 @@
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/vidat/index.html b/vidat/index.html
index b0f8c3b..b53514c 100644
--- a/vidat/index.html
+++ b/vidat/index.html
@@ -18,7 +18,6 @@ Github | Host1 ANU | Host2 本站 | Pr,">
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -40,6 +39,7 @@ Github | Host1 ANU | Host2 本站 | Pr,">
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -252,7 +252,7 @@ Github | Host1 ANU | Host2 本站 | Pr,">
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -466,4 +466,6 @@ Github | Host1 ANU | Host2 本站 | Pr,">
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/whoami/index.html b/whoami/index.html
index a9a1d57..d4651f6 100644
--- a/whoami/index.html
+++ b/whoami/index.html
@@ -14,7 +14,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -36,6 +35,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -115,7 +115,7 @@ Advanced computing international student at ANU. Programmer and Pythonista.</p>
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -329,4 +329,6 @@ Advanced computing international student at ANU. Programmer and Pythonista.</p>
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/windows-package-manager-scoop/index.html b/windows-package-manager-scoop/index.html
index 3ba4e2d..43f5b22 100644
--- a/windows-package-manager-scoop/index.html
+++ b/windows-package-manager-scoop/index.html
@@ -18,7 +18,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -40,6 +39,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -403,7 +403,7 @@ scoop list
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -617,4 +617,6 @@ scoop list
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>
diff --git a/write-latex-report-with-markdown/index.html b/write-latex-report-with-markdown/index.html
index c8bcd0f..7bbdda1 100644
--- a/write-latex-report-with-markdown/index.html
+++ b/write-latex-report-with-markdown/index.html
@@ -18,7 +18,6 @@
     <meta name="author" content="DavidZ"> 
     <link rel="alternative" href="atom.xml" title="Blog" type="application/atom+xml"> 
     <link rel="icon" href="/img/favicon.png"> 
-    <link href="https://fonts.loli.net/css?family=Roboto+Mono|Rubik&display=swap" rel="stylesheet">
     
 <link rel="stylesheet" href="//at.alicdn.com/t/font_1429596_nzgqgvnmkjb.css">
 
@@ -40,6 +39,7 @@
     
 <link rel="stylesheet" href="/css/ball-atom.min.css">
 
+    
 <meta name="generator" content="Hexo 4.2.0"><!-- hexo-inject:begin --><!-- hexo-inject:end --></head>
 
 
@@ -433,7 +433,7 @@ reference-section-title: References
 </body>
 <footer>
     <p class="copyright" id="copyright">
-        &copy; 2020
+        &copy; 2021
         <span class="gradient-text">
             DavidZ
         </span>.
@@ -647,4 +647,6 @@ reference-section-title: References
 
 
 
+ <!-- 例：百度统计 --> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?your_code"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(hm, s); })(); </script> 
+
 </html>