diff --git a/README.md b/README.md
index 0b57e34..c0c84cb 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,69 @@
 # 60 天通过 CCNA 考试
+
+# 60 天通过 CCNA 考试 🖧
+
+**Cisco CCNA in 60 Days**
+
+
+
+- Github: [github.com/gnu4cn/ccna60d](https://github.com/gnu4cn/ccna60d)
+
+
+- Gitlab: [gitlab.com/unisko/ccna60d](https://gitlab.com/unisko/ccna60d/)
+
+
+- [ccna60d.xfoss.com](https://ccna60d.xfoss.com/)
+
+
+___
+
+**推荐模拟器**
+
+<p align="center">
+<img src="src/images/GNS3_logo.png" />
+</p>
+
+<p align="center">
+<a href="https://www.gns3.com/software/download">GNS3 下载(Linux, Windows, MacOS)</a>, <a href="GNS3_tutorial.md">GNS3入门教程</a>
+</p>
+
+
+___
+本书结合了学习技巧，包括阅读、复习、背书、测试以及 hands-on 实验。
+
+## 捐赠记录
+
+_2017-08-03_
+
+* “十円”通过支付宝进行了捐赠，并留言“谢谢译者的辛勤付出！”
+
+_2017-05-21_
+
+* “远”通过支付宝进行了捐赠，并留言 “60 天通过 ccna 对我帮助很大期待更新”
+
+## 更新记录
+
+_2023-03-28_
+
+* 迁移到 [mdbook](https://rust-lang.github.io/mdBook/) 部署
+
+
+_2020-10-27_
+
+* 生成PDF版本
+
+_2019-10-30_
+
+* 完成全部章节翻译
+* 重新通过 Gitbook 进行发布
+
+_2017-07-16_
+
+* 完成第37天--EIGRP故障排除章节
+* 完成第38天--IPv6下的EIGRP章节
+
+_2017-07-14_
+
+* 完成第36天--EIGRP 章节的修订，EIGRP已无问题
+
+
diff --git a/index.html b/index.html
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+        <title>60 天通过 CCNA 考试 - CCNA60D Chinese, 中文版 CCNA 60 days</title>
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+                <ol class="chapter"><li class="chapter-item expanded affix "><a href="../index.html" class="active">60 天通过 CCNA 考试</a></li><li class="chapter-item expanded "><a href="d01-Networks-Cables-OSI-and-TCP-Models.html"><strong aria-hidden="true">1.</strong> 第1天, 网络、线缆、OSI及TCP模型</a></li><li class="chapter-item expanded "><a href="d02-CSMA-CD-Switching-and-VLANs.html"><strong aria-hidden="true">2.</strong> 第2天, CSMA/CD, 交换和虚拟局域网</a></li><li class="chapter-item expanded "><a href="d03-Trunking-DTP-and-Inter-VLAN-Routing.html"><strong aria-hidden="true">3.</strong> 第3天, 中继、DTP 及 VLAN 间路由</a></li><li class="chapter-item expanded "><a href="d04-Router-and-Switch-Security.html"><strong aria-hidden="true">4.</strong> 第4天, 路由器和交换机安全</a></li><li class="chapter-item expanded "><a href="d05-IP-Addressing.html"><strong aria-hidden="true">5.</strong> 第5天, IP 地址分配</a></li><li class="spacer"></li><li class="chapter-item expanded affix "><li class="part-title">进阶</li><li class="chapter-item expanded "><a href="d06-NAT.html"><strong aria-hidden="true">6.</strong> 第6天, 网络地址转换</a></li><li class="chapter-item expanded "><a href="d07-IPv6.html"><strong aria-hidden="true">7.</strong> 第7天, 互联网协议版本6</a></li><li class="chapter-item expanded "><a href="d08-Integrating-IPv4-and-IPv6-Network-Environments.html"><strong aria-hidden="true">8.</strong> 第8天, IPv4与IPv6共存的网络环境</a></li><li class="chapter-item expanded "><a href="d09-ACL.html"><strong aria-hidden="true">9.</strong> 第9天, 访问控制清单</a></li><li class="chapter-item expanded "><a href="d10-Routing-Concepts.html"><strong aria-hidden="true">10.</strong> 第10天, 路由的一些概念</a></li><li class="chapter-item expanded "><a href="d11-Static-Routing.html"><strong aria-hidden="true">11.</strong> 第11天, 静态路由</a></li><li class="chapter-item expanded "><a href="d12-OSPF-Basics.html"><strong aria-hidden="true">12.</strong> 第12天, OSPF基础知识</a></li><li class="chapter-item expanded "><a href="d13-OSPFv3.html"><strong aria-hidden="true">13.</strong> 第13天, OSPF版本3</a></li><li class="spacer"></li><li class="chapter-item expanded affix "><li class="part-title">实操</li><li class="chapter-item expanded "><a href="d14-DHCP-and-DNS.html"><strong aria-hidden="true">14.</strong> 第14天, DHCP及DNS</a></li><li class="chapter-item expanded "><a href="d15-Layer_1-and-Layer_2-Troubleshooting.html"><strong aria-hidden="true">15.</strong> 第15天, 一二层排错</a></li><li class="chapter-item expanded "><a href="d31-Spanning-Tree-Protocol.html"><strong aria-hidden="true">16.</strong> 第31天, 生成树协议</a></li><li class="chapter-item expanded "><a href="d32-Rapid-Spanning-Tree-Protocol.html"><strong aria-hidden="true">17.</strong> 第32天, 快速生成树协议</a></li><li class="chapter-item expanded "><a href="d33-EtherChannels-and-Link-Aggregation-Protocols.html"><strong aria-hidden="true">18.</strong> 第33天, 以太网通道及链路聚合协议</a></li><li class="chapter-item expanded "><a href="d34-First-Hop-Redundancy-Protocols.html"><strong aria-hidden="true">19.</strong> 第34天, 第一跳冗余协议</a></li><li class="chapter-item expanded "><a href="d35-booting-and-IOS.html"><strong aria-hidden="true">20.</strong> 第35天, 启动与IOS</a></li><li class="spacer"></li><li class="chapter-item expanded affix "><li class="part-title">EIGRP</li><li class="chapter-item expanded "><a href="d36-EIGRP.html"><strong aria-hidden="true">21.</strong> 第36天, EIGRP</a></li><li class="chapter-item expanded "><a href="d37-Rroubleshooting-EIGRP.html"><strong aria-hidden="true">22.</strong> 第37天，EIGRP故障排除</a></li><li class="chapter-item expanded "><a href="d38-EIGRP-For-IPv6.html"><strong aria-hidden="true">23.</strong> 第38天，IPv6下的EIGRP</a></li><li class="spacer"></li><li class="chapter-item expanded affix "><li class="part-title">OSPF</li><li class="chapter-item expanded "><a href="d39-OSPF.html"><strong aria-hidden="true">24.</strong> 第39天，开放最短路径优先协议</a></li><li class="spacer"></li><li class="chapter-item expanded affix "><li class="part-title">SNMP 与 NetFlow</li><li class="chapter-item expanded "><a href="d40-Syslog-SNMP-and-Netflow.html"><strong aria-hidden="true">25.</strong> 第40天，系统日志、简单网络管理协议与NetFlow软件</a></li><li class="spacer"></li><li class="chapter-item expanded affix "><li class="part-title">广域网 WAN</li><li class="chapter-item expanded "><a href="d41-Wide-Area-Networking.html"><strong aria-hidden="true">26.</strong> 第41天，广域组网</a></li><li class="chapter-item expanded "><a href="d42-Frame-Relay-and-PPP.html"><strong aria-hidden="true">27.</strong> 第42天，帧中继与点对点协议</a></li><li class="spacer"></li><li class="chapter-item expanded affix "><li class="part-title">附录</li><li class="chapter-item expanded "><a href="port-mirroring.html"><strong aria-hidden="true">28.</strong> 附录一：华为交换机端口镜像</a></li><li class="chapter-item expanded "><a href="IPv6_address_space.html"><strong aria-hidden="true">29.</strong> 附录二：IPv6地址空间</a></li><li class="chapter-item expanded "><a href="GNS3_tutorial.html"><strong aria-hidden="true">30.</strong> 附录三：GNS3简介</a></li></ol>
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diff --git a/src/README.md b/src/README.md
deleted file mode 100644
index 0b57e34..0000000
--- a/src/README.md
+++ /dev/null
@@ -1 +0,0 @@
-# 60 天通过 CCNA 考试
diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index c1ce27c..8513ee6 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -1,6 +1,6 @@
 # CCNA60 天
 
-[60 天通过 CCNA 考试](README.md)
+[60 天通过 CCNA 考试](../README.md)
 - [第1天, 网络、线缆、OSI及TCP模型](d01-Networks-Cables-OSI-and-TCP-Models.md)
 - [第2天, CSMA/CD, 交换和虚拟局域网](d02-CSMA-CD-Switching-and-VLANs.md)
 - [第3天, 中继、DTP 及 VLAN 间路由](d03-Trunking-DTP-and-Inter-VLAN-Routing.md)
