diff --git a/notes/Hbase容灾与备份.md b/notes/Hbase容灾与备份.md
index 5b2231c..caca6b3 100644
--- a/notes/Hbase容灾与备份.md
+++ b/notes/Hbase容灾与备份.md
@@ -1,26 +1,22 @@
 # Hbase容灾与备份
-
<nav>
-<a href="#一前言">一、前言</a><br/>
-<a href="#二CopyTable">二、CopyTable</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;<a href="#21-简介">2.1 简介</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;<a href="#22-命令格式">2.2 命令格式</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;<a href="#23-常用命令">2.3 常用命令</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;<a href="#24-更多参数">2.4 更多参数</a><br/>
-<a href="#三ExportImport">三、Export/Import</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;<a href="#31-简介">3.1 简介</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;<a href="#32-命令格式">3.2 命令格式</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;<a href="#33-常用命令">3.3 常用命令</a><br/>
-<a href="#四Snapshot">四、Snapshot</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;<a href="#41-简介">4.1 简介</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;<a href="#42-配置">4.2 配置</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;<a href="#43-常用命令">4.3 常用命令</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="#1-Take-a-Snapshot">1. Take a Snapshot</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="#2-Listing-Snapshots">2. Listing Snapshots</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="#3-Deleting-Snapshots">3. Deleting Snapshots</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="#4-Clone-a-table-from-snapshot">4. Clone a table from snapshot</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="#5-Restore-a-snapshot">5. Restore a snapshot</a><br/>
-</nav>
-
+
+<nav>
+<a href="#一前言">一、前言</a><br/>
+<a href="#二CopyTable">二、CopyTable</a><br/>
+&nbsp;&nbsp;&nbsp;&nbsp;<a href="#21-简介">2.1 简介</a><br/>
+&nbsp;&nbsp;&nbsp;&nbsp;<a href="#22-命令格式">2.2 命令格式</a><br/>
+&nbsp;&nbsp;&nbsp;&nbsp;<a href="#23-常用命令">2.3 常用命令</a><br/>
+&nbsp;&nbsp;&nbsp;&nbsp;<a href="#24-更多参数">2.4 更多参数</a><br/>
+<a href="#三ExportImport">三、Export/Import</a><br/>
+&nbsp;&nbsp;&nbsp;&nbsp;<a href="#31-简介">3.1 简介</a><br/>
+&nbsp;&nbsp;&nbsp;&nbsp;<a href="#32-命令格式">3.2 命令格式</a><br/>
+&nbsp;&nbsp;&nbsp;&nbsp;<a href="#33-常用命令">3.3 常用命令</a><br/>
+<a href="#四Snapshot">四、Snapshot</a><br/>
+&nbsp;&nbsp;&nbsp;&nbsp;<a href="#41-简介">4.1 简介</a><br/>
+&nbsp;&nbsp;&nbsp;&nbsp;<a href="#42-配置">4.2 配置</a><br/>
+&nbsp;&nbsp;&nbsp;&nbsp;<a href="#43-常用命令">4.3 常用命令</a><br/>
+</nav>
+
 ## 一、前言
 
 本文主要介绍Hbase常用的三种简单的容灾备份方案，即CopyTable、Export/Import、Snapshot。分别介绍如下：
@@ -194,4 +190,4 @@ hbase> restore_snapshot '快照名'
 ## 参考资料
 
 1. [Online Apache HBase Backups with CopyTable](https://blog.cloudera.com/blog/2012/06/online-hbase-backups-with-copytable-2/)
-2. [Apache HBase ™ Reference Guide](http://hbase.apache.org/book.htm)
\ No newline at end of file
+2. [Apache HBase ™ Reference Guide](http://hbase.apache.org/book.htm)