update gh-pages

48 files changed, 127 insertions, 484 deletions

diff --git a/2019/08/001-two-sum/index.html b/2019/08/001-two-sum/index.html
index e95dc5b..bf1e4c8 100644
--- a/2019/08/001-two-sum/index.html
+++ b/2019/08/001-two-sum/index.html
@@ -406,11 +406,11 @@
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/arraylist/" title="Collections-Arraylist"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/08/026-remove-duplicates-from-sorted-array/"
-                    title="[LeetCode In Rust]026-Remove Duplicates From Sorted Array"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="[LeetCode In Rust]026-Remove Duplicates From Sorted Array"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -435,6 +435,7 @@
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -496,15 +497,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/08/026-remove-duplicates-from-sorted-array/index.html b/2019/08/026-remove-duplicates-from-sorted-array/index.html
index 0209264..076f1cd 100644
--- a/2019/08/026-remove-duplicates-from-sorted-array/index.html
+++ b/2019/08/026-remove-duplicates-from-sorted-array/index.html
@@ -388,11 +388,11 @@
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/08/001-two-sum/" title="[LeetCode In Rust]001-Two Sum"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/08/189-rotate-array/"
-                    title="[LeetCode In Rust]189-Rotate Array"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="[LeetCode In Rust]189-Rotate Array"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -417,6 +417,7 @@
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -478,15 +479,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/08/189-rotate-array/index.html b/2019/08/189-rotate-array/index.html
index 56ba5fb..cc46edd 100644
--- a/2019/08/189-rotate-array/index.html
+++ b/2019/08/189-rotate-array/index.html
@@ -468,11 +468,11 @@ pub fn reverse(nums: &amp;mut Vec&lt;i32&gt;, start: usize, end: usize) {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/08/026-remove-duplicates-from-sorted-array/" title="[LeetCode In Rust]026-Remove Duplicates From Sorted Array"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/08/rxjava-guide/"
-                    title="RxJava入门"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="RxJava入门"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -497,6 +497,7 @@ pub fn reverse(nums: &amp;mut Vec&lt;i32&gt;, start: usize, end: usize) {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -558,15 +559,7 @@ pub fn reverse(nums: &amp;mut Vec&lt;i32&gt;, start: usize, end: usize) {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/08/rxjava-guide/index.html b/2019/08/rxjava-guide/index.html
index 760a12d..05e9866 100644
--- a/2019/08/rxjava-guide/index.html
+++ b/2019/08/rxjava-guide/index.html
@@ -882,11 +882,11 @@ observable.observeOn(Schedulers.newThread())
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/08/189-rotate-array/" title="[LeetCode In Rust]189-Rotate Array"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/08/rxjava-in-hystrix/"
-                    title="Hystrix命令执行流程"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Hystrix命令执行流程"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -911,6 +911,7 @@ observable.observeOn(Schedulers.newThread())
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -972,15 +973,7 @@ observable.observeOn(Schedulers.newThread())
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/08/rxjava-in-hystrix/index.html b/2019/08/rxjava-in-hystrix/index.html
index a3128ba..a37e532 100644
--- a/2019/08/rxjava-in-hystrix/index.html
+++ b/2019/08/rxjava-in-hystrix/index.html
@@ -998,11 +998,11 @@ final protected Observable&lt;R&gt; getExecutionObservable() {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/08/rxjava-guide/" title="RxJava入门"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/09/amqp-0-9-1-model-explained/"
-                    title="AMQP消息模型"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="AMQP消息模型"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -1027,6 +1027,7 @@ final protected Observable&lt;R&gt; getExecutionObservable() {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -1088,15 +1089,7 @@ final protected Observable&lt;R&gt; getExecutionObservable() {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/09/amqp-0-9-1-model-explained/index.html b/2019/09/amqp-0-9-1-model-explained/index.html
index 01c32b3..089ac69 100644
--- a/2019/09/amqp-0-9-1-model-explained/index.html
+++ b/2019/09/amqp-0-9-1-model-explained/index.html
@@ -700,11 +700,11 @@
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/08/rxjava-in-hystrix/" title="Hystrix命令执行流程"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/09/rabbitmq-guide-and-ha-cluster/"
-                    title="RabbitMQ-入门及高可用集群部署"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="RabbitMQ-入门及高可用集群部署"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -729,6 +729,7 @@
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -790,15 +791,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/09/hugo-theme-dev-note/index.html b/2019/09/hugo-theme-dev-note/index.html
index 2f0ce08..64e3c0d 100644
--- a/2019/09/hugo-theme-dev-note/index.html
+++ b/2019/09/hugo-theme-dev-note/index.html
@@ -582,11 +582,11 @@
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/09/rabbitmq-msg-distribution/" title="RabbitMQ-消息分发机制"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/10/rabbitmq-ack-confirm/"
-                    title="RabbitMQ-消息确认机制"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="RabbitMQ-消息确认机制"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -611,6 +611,7 @@
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -672,15 +673,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/09/rabbitmq-guide-and-ha-cluster/index.html b/2019/09/rabbitmq-guide-and-ha-cluster/index.html
index 8cd781f..d475894 100644
--- a/2019/09/rabbitmq-guide-and-ha-cluster/index.html
+++ b/2019/09/rabbitmq-guide-and-ha-cluster/index.html
@@ -509,11 +509,11 @@ Error:
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/09/amqp-0-9-1-model-explained/" title="AMQP消息模型"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/09/rabbitmq-msg-distribution/"
-                    title="RabbitMQ-消息分发机制"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="RabbitMQ-消息分发机制"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -538,6 +538,7 @@ Error:
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -599,15 +600,7 @@ Error:
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/09/rabbitmq-msg-distribution/index.html b/2019/09/rabbitmq-msg-distribution/index.html
index 36e7540..4f5eaac 100644
--- a/2019/09/rabbitmq-msg-distribution/index.html
+++ b/2019/09/rabbitmq-msg-distribution/index.html
@@ -473,11 +473,11 @@
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/09/rabbitmq-guide-and-ha-cluster/" title="RabbitMQ-入门及高可用集群部署"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/09/hugo-theme-dev-note/"
-                    title="Hexo =&gt; Hugo主题移植记录"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Hexo =&gt; Hugo主题移植记录"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -502,6 +502,7 @@
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -563,15 +564,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/10/data-structure/index.html b/2019/10/data-structure/index.html
index 758b02f..ce06260 100644
--- a/2019/10/data-structure/index.html
+++ b/2019/10/data-structure/index.html
@@ -1018,11 +1018,11 @@ int zslRandomLevel(void) {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/10/rabbitmq-ack-confirm/" title="RabbitMQ-消息确认机制"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/distributed-lock/"
-                    title="Redis-分布式锁"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Redis-分布式锁"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -1047,6 +1047,7 @@ int zslRandomLevel(void) {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -1108,15 +1109,7 @@ int zslRandomLevel(void) {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/10/rabbitmq-ack-confirm/index.html b/2019/10/rabbitmq-ack-confirm/index.html
index e5fdb3d..a556b83 100644
--- a/2019/10/rabbitmq-ack-confirm/index.html
+++ b/2019/10/rabbitmq-ack-confirm/index.html
@@ -483,11 +483,11 @@
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/09/hugo-theme-dev-note/" title="Hexo =&gt; Hugo主题移植记录"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/10/data-structure/"
-                    title="Redis-数据结构"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Redis-数据结构"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -512,6 +512,7 @@
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -573,15 +574,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/11/aof/index.html b/2019/11/aof/index.html
index 2f802fe..75df477 100644
--- a/2019/11/aof/index.html
+++ b/2019/11/aof/index.html
@@ -508,11 +508,11 @@ while true:
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/rdb/" title="Redis-RDB持久化"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/event/"
-                    title="Redis-事件"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Redis-事件"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -537,6 +537,7 @@ while true:
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -598,15 +599,7 @@ while true:
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/11/db/index.html b/2019/11/db/index.html
index a5a6ae1..ef650c0 100644
--- a/2019/11/db/index.html
+++ b/2019/11/db/index.html
@@ -608,11 +608,11 @@ void notifyKeyspaceEvent(int type, char *event, robj *key, int dbid) {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/obj/" title="Redis-万物皆「对象」"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/rdb/"
-                    title="Redis-RDB持久化"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Redis-RDB持久化"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -637,6 +637,7 @@ void notifyKeyspaceEvent(int type, char *event, robj *key, int dbid) {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -698,15 +699,7 @@ void notifyKeyspaceEvent(int type, char *event, robj *key, int dbid) {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/11/distributed-lock/index.html b/2019/11/distributed-lock/index.html
index 538dd31..9938be0 100644
--- a/2019/11/distributed-lock/index.html
+++ b/2019/11/distributed-lock/index.html
@@ -562,11 +562,11 @@ end
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/10/data-structure/" title="Redis-数据结构"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/obj/"
-                    title="Redis-万物皆「对象」"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Redis-万物皆「对象」"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -591,6 +591,7 @@ end
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -652,15 +653,7 @@ end
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/11/event/index.html b/2019/11/event/index.html
index ae38d3b..685a764 100644
--- a/2019/11/event/index.html
+++ b/2019/11/event/index.html
@@ -637,11 +637,11 @@ if (te-&gt;id == AE_DELETED_EVENT_ID) {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/aof/" title="Redis-AOF持久化"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/replication/"
-                    title="Redis-复制功能探索"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Redis-复制功能探索"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -666,6 +666,7 @@ if (te-&gt;id == AE_DELETED_EVENT_ID) {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -727,15 +728,7 @@ if (te-&gt;id == AE_DELETED_EVENT_ID) {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/11/obj/index.html b/2019/11/obj/index.html
index 3d8eab7..f485f32 100644
--- a/2019/11/obj/index.html
+++ b/2019/11/obj/index.html
@@ -562,11 +562,11 @@ OK
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/distributed-lock/" title="Redis-分布式锁"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/db/"
-                    title="Redis-数据库长什么样?"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Redis-数据库长什么样?"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -591,6 +591,7 @@ OK
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -652,15 +653,7 @@ OK
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/11/rdb/index.html b/2019/11/rdb/index.html
index a715063..2baa05e 100644
--- a/2019/11/rdb/index.html
+++ b/2019/11/rdb/index.html
@@ -823,11 +823,11 @@ int rdbSaveInfoAuxFields(rio *rdb, int flags, rdbSaveInfo *rsi) {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/db/" title="Redis-数据库长什么样?"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/aof/"
-                    title="Redis-AOF持久化"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Redis-AOF持久化"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -852,6 +852,7 @@ int rdbSaveInfoAuxFields(rio *rdb, int flags, rdbSaveInfo *rsi) {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -913,15 +914,7 @@ int rdbSaveInfoAuxFields(rio *rdb, int flags, rdbSaveInfo *rsi) {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/2019/11/replication/index.html b/2019/11/replication/index.html
index c92ff7a..c6f4055 100644
--- a/2019/11/replication/index.html
+++ b/2019/11/replication/index.html
@@ -600,7 +600,7 @@ struct redisServer {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/11/event/" title="Redis-事件"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             
             <li class="toggle-toc">
@@ -624,6 +624,7 @@ struct redisServer {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -685,15 +686,7 @@ struct redisServer {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/404.html b/404.html
index 887761e..21a8861 100644
--- a/404.html
+++ b/404.html
@@ -402,15 +402,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/about/index.html b/about/index.html
index 824aa89..d49f28d 100644
--- a/about/index.html
+++ b/about/index.html
@@ -43,7 +43,7 @@
 
 <meta itemprop="datePublished" content="2019-08-15T13:19:18&#43;08:00" />
 <meta itemprop="dateModified" content="2019-08-15T13:19:18&#43;08:00" />
-<meta itemprop="wordCount" content="125">
+<meta itemprop="wordCount" content="132">
 
 
 
@@ -322,7 +322,7 @@
 	</span>
         <span class="post-comment"><i class="icon icon-comment"></i> <a href="/hugo-theme-pure/about/#comments"
             class="article-comment-link">评论</a></span>
-		<span class="post-wordcount hidden-xs" itemprop="wordCount">字数统计:125字</span>
+		<span class="post-wordcount hidden-xs" itemprop="wordCount">字数统计:132字</span>
 		<span class="post-readcount hidden-xs" itemprop="timeRequired">阅读时长:1分 </span>
       </div>
     </div>
@@ -342,6 +342,7 @@
 <ol>
 <li><a href="https://draveness.me/">面向信仰编程</a> 真·面向信仰,硬核,主 go ,其他技术也很在行, <code>kubernetes</code> 贡献者.翻了翻他博客,就比我大一届,跪的我膝盖都要碎了. 😭</li>
 <li><a href="http://hongjiang.info/scala/">hongjiang-scala专题</a> 在公司要写 <code>scala</code> ,这个mark一下,质量很高,我要好好看看</li>
+<li>Vim小抄 --&gt; <a href="https://vim.rtorr.com/lang/zh_cn">https://vim.rtorr.com/lang/zh_cn</a></li>
 </ol>
 
 <h4 id="githubcharthttpsgithubcom2016rshahgithubchartapi"><a class="cite" href="#githubchart"></a>(<a href="https://github.com/2016rshah/githubchart-api">https://github.com/2016rshah/githubchart-api</a>)</h4>
@@ -387,7 +388,7 @@
         <ul class="pager pull-left">
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/treeset/"
-                    title="Collections-Treeset"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Collections-Treeset"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -412,6 +413,7 @@
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -473,15 +475,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/categories/corejava/index.html b/categories/corejava/index.html
index 662ee2c..de5e62d 100644
--- a/categories/corejava/index.html
+++ b/categories/corejava/index.html
@@ -356,15 +356,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/categories/hystrix/index.html b/categories/hystrix/index.html
index 784b73b..1047c60 100644
--- a/categories/hystrix/index.html
+++ b/categories/hystrix/index.html
@@ -336,15 +336,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/categories/index.html b/categories/index.html
index 1298ca4..2566fec 100644
--- a/categories/index.html
+++ b/categories/index.html
@@ -492,15 +492,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/categories/leetcode/index.html b/categories/leetcode/index.html
index c2ed725..897dc4f 100644
--- a/categories/leetcode/index.html
+++ b/categories/leetcode/index.html
@@ -340,15 +340,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/categories/redis/index.html b/categories/redis/index.html
index 390249c..6d8d822 100644
--- a/categories/redis/index.html
+++ b/categories/redis/index.html
@@ -360,15 +360,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/categories/消息队列/index.html b/categories/消息队列/index.html
index 5ef04c4..187c00f 100644
--- a/categories/消息队列/index.html
+++ b/categories/消息队列/index.html
@@ -344,15 +344,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/collections/arraylist/index.html b/collections/arraylist/index.html
index b0fa41d..a41cebd 100644
--- a/collections/arraylist/index.html
+++ b/collections/arraylist/index.html
@@ -520,11 +520,11 @@ private void grow(int minCapacity) {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/hashmap/" title="Collections-Hashmap"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/2019/08/001-two-sum/"
-                    title="[LeetCode In Rust]001-Two Sum"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="[LeetCode In Rust]001-Two Sum"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -549,6 +549,7 @@ private void grow(int minCapacity) {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -610,15 +611,7 @@ private void grow(int minCapacity) {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/collections/hashmap/index.html b/collections/hashmap/index.html
index d798915..1b3640c 100644
--- a/collections/hashmap/index.html
+++ b/collections/hashmap/index.html
@@ -1099,11 +1099,11 @@ ConcurrentHashMap推出之后官方推荐不要在使用HashTable作为线程安
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/hashset/" title="Collections-Hashset"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/arraylist/"
-                    title="Collections-Arraylist"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Collections-Arraylist"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -1128,6 +1128,7 @@ ConcurrentHashMap推出之后官方推荐不要在使用HashTable作为线程安
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -1189,15 +1190,7 @@ ConcurrentHashMap推出之后官方推荐不要在使用HashTable作为线程安
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/collections/hashset/index.html b/collections/hashset/index.html
index cc336c2..570270e 100644
--- a/collections/hashset/index.html
+++ b/collections/hashset/index.html
@@ -457,11 +457,11 @@ public Object clone() {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/linkedhashmap/" title="Collections-Linkedhashmap"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/hashmap/"
-                    title="Collections-Hashmap"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Collections-Hashmap"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -486,6 +486,7 @@ public Object clone() {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -547,15 +548,7 @@ public Object clone() {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/collections/index.html b/collections/index.html
index 1d52ca7..090b573 100644
--- a/collections/index.html
+++ b/collections/index.html
@@ -350,15 +350,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/collections/linkedhashmap/index.html b/collections/linkedhashmap/index.html
index 27b5a67..e08d64d 100644
--- a/collections/linkedhashmap/index.html
+++ b/collections/linkedhashmap/index.html
@@ -537,11 +537,11 @@
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/linkedlist/" title="Collections-Linkedlist"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/hashset/"
-                    title="Collections-Hashset"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Collections-Hashset"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -566,6 +566,7 @@
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -627,15 +628,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/collections/linkedlist/index.html b/collections/linkedlist/index.html
index 96f4e24..2ac38e8 100644
--- a/collections/linkedlist/index.html
+++ b/collections/linkedlist/index.html
@@ -769,11 +769,11 @@ public E peek() {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/treemap/" title="Collections-Treemap"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/linkedhashmap/"
-                    title="Collections-Linkedhashmap"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Collections-Linkedhashmap"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -798,6 +798,7 @@ public E peek() {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -859,15 +860,7 @@ public E peek() {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/collections/treemap/index.html b/collections/treemap/index.html
index 4a4a539..b534398 100644
--- a/collections/treemap/index.html
+++ b/collections/treemap/index.html
@@ -594,11 +594,11 @@ public V put(K key, V value) {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/treeset/" title="Collections-Treeset"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/linkedlist/"
-                    title="Collections-Linkedlist"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Collections-Linkedlist"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -623,6 +623,7 @@ public V put(K key, V value) {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -684,15 +685,7 @@ public V put(K key, V value) {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/collections/treeset/index.html b/collections/treeset/index.html
index 32fdd4e..0b355ac 100644
--- a/collections/treeset/index.html
+++ b/collections/treeset/index.html
@@ -503,11 +503,11 @@ public SortedSet&lt;E&gt; subSet(E fromElement, E toElement) {
             <li class="prev">
                 <a href="https://xiaohei.im/hugo-theme-pure/about/" title="关于自己"><i
                         class="icon icon-angle-left"
-                        aria-hidden="true"></i><span>&nbsp;&nbsp;上一篇</span></a>
+                        aria-hidden="true"></i><span>&nbsp;&nbsp;下一篇</span></a>
             </li>
             <li class="next">
                 <a href="https://xiaohei.im/hugo-theme-pure/collections/treemap/"
-                    title="Collections-Treemap"><span>下一篇&nbsp;&nbsp;</span><i
+                    title="Collections-Treemap"><span>上一篇&nbsp;&nbsp;</span><i
                         class="icon icon-angle-right" aria-hidden="true"></i></a>
             </li>
             
@@ -532,6 +532,7 @@ public SortedSet&lt;E&gt; subSet(E fromElement, E toElement) {
     </div>
 </nav>
 
+
 <div class="modal modal-center modal-small modal-xs-full fade" id="donateModal" tabindex="-1" role="dialog">
     <div class="modal-dialog" role="document">
         <div class="modal-content donate">
@@ -593,15 +594,7 @@ public SortedSet&lt;E&gt; subSet(E fromElement, E toElement) {
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/index.html b/index.html
index 8c3afd6..3b7aff1 100644
--- a/index.html
+++ b/index.html
@@ -932,15 +932,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/posts/index.html b/posts/index.html
index f17a1d8..3da2d53 100644
--- a/posts/index.html
+++ b/posts/index.html
@@ -405,15 +405,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/collections/index.html b/tags/collections/index.html
index 25e2483..86ada65 100644
--- a/tags/collections/index.html
+++ b/tags/collections/index.html
@@ -422,15 +422,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/hugo/index.html b/tags/hugo/index.html
index 95d5f75..b5b5d01 100644
--- a/tags/hugo/index.html
+++ b/tags/hugo/index.html
@@ -332,15 +332,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/hystrix/index.html b/tags/hystrix/index.html
index 5d11555..ff33b90 100644
--- a/tags/hystrix/index.html
+++ b/tags/hystrix/index.html
@@ -333,15 +333,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/index.html b/tags/index.html
index ac81384..b7699d2 100644
--- a/tags/index.html
+++ b/tags/index.html
@@ -877,15 +877,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/leetcode/index.html b/tags/leetcode/index.html
index 7a482ed..73f31cf 100644
--- a/tags/leetcode/index.html
+++ b/tags/leetcode/index.html
@@ -365,15 +365,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/rabbitmq/index.html b/tags/rabbitmq/index.html
index 0e4a2d5..216ba0d 100644
--- a/tags/rabbitmq/index.html
+++ b/tags/rabbitmq/index.html
@@ -377,15 +377,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/redis/index.html b/tags/redis/index.html
index 4ac33b1..6e1fb70 100644
--- a/tags/redis/index.html
+++ b/tags/redis/index.html
@@ -439,15 +439,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/rust/index.html b/tags/rust/index.html
index b5f2780..1f40c18 100644
--- a/tags/rust/index.html
+++ b/tags/rust/index.html
@@ -365,15 +365,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/rxjava/index.html b/tags/rxjava/index.html
index 22e901c..96d4334 100644
--- a/tags/rxjava/index.html
+++ b/tags/rxjava/index.html
@@ -349,15 +349,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
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-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
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-    });
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+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/分布式锁/index.html b/tags/分布式锁/index.html
index 2692efc..4a9cb0e 100644
--- a/tags/分布式锁/index.html
+++ b/tags/分布式锁/index.html
@@ -333,15 +333,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
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-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/响应式编程/index.html b/tags/响应式编程/index.html
index 0c80a52..5be6311 100644
--- a/tags/响应式编程/index.html
+++ b/tags/响应式编程/index.html
@@ -333,15 +333,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')
diff --git a/tags/数据结构/index.html b/tags/数据结构/index.html
index 4aaf058..48874f1 100644
--- a/tags/数据结构/index.html
+++ b/tags/数据结构/index.html
@@ -333,15 +333,7 @@
     </div>
   </div>
 </footer>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_SVG"></script>
-<script type="text/x-mathjax-config">
-    MathJax.Hub.Config({
-            showMathMenu: false, //disables context menu
-            tex2jax: {
-            inlineMath: [ ['$','$'], ['\\(','\\)'] ]
-           }
-    });
-</script>
+
 <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
 <script>
    window.jQuery || document.write('<script src="js/jquery.min.js"><\/script>')