diff --git a/README.md b/README.md
index 45a0fa8..7f6cbfa 100644
--- a/README.md
+++ b/README.md
@@ -154,4 +154,4 @@
 
 ## 🚪 传送门
 
-◾ 🏠 [LINUX-TUTORIAL 首页](https://github.com/dunwu/linux-tutorial) ◾ 🎯 [我的博客](https://github.com/dunwu/blog) ◾
+◾ 💧 [钝悟的 IT 知识图谱](https://dunwu.github.io/waterdrop/) ◾ 🎯 [钝悟的博客](https://dunwu.github.io/blog/) ◾
diff --git a/docs/README.md b/docs/README.md
index dd36841..9e19916 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,6 +1,6 @@
 ---
 home: true
-heroImage: https://raw.githubusercontent.com/dunwu/images/dev/common/dunwu-logo-200.png
+heroImage: https://raw.githubusercontent.com/dunwu/images/dev/common/dunwu-logo.png
 heroText: LINUX-TUTORIAL
 tagline: 📚 linux-tutorial 是一个 Linux 教程。
 actionLink: /
@@ -154,4 +154,4 @@ footer: CC-BY-SA-4.0 Licensed | Copyright © 2018-Now Dunwu
 
 ## 🚪 传送门
 
-◾ 🏠 [LINUX-TUTORIAL 首页](https://github.com/dunwu/linux-tutorial) ◾ 🎯 [我的博客](https://github.com/dunwu/blog) ◾
+◾ 💧 [钝悟的 IT 知识图谱](https://dunwu.github.io/waterdrop/) ◾ 🎯 [钝悟的博客](https://dunwu.github.io/blog/) ◾
diff --git a/docs/docker/README.md b/docs/docker/README.md
index c77d748..8653d51 100644
--- a/docs/docker/README.md
+++ b/docs/docker/README.md
@@ -33,4 +33,4 @@
 
 ## 🚪 传送门
 
-◾ 🏠 [DB-TUTORIAL 首页](https://github.com/dunwu/linux-tutorial) ◾ 🎯 [我的博客](https://github.com/dunwu/blog) ◾
+◾ 💧 [钝悟的 IT 知识图谱](https://dunwu.github.io/waterdrop/) ◾ 🎯 [钝悟的博客](https://dunwu.github.io/blog/) ◾
diff --git a/docs/linux/cli/README.md b/docs/linux/cli/README.md
index 4c455df..53a2866 100644
--- a/docs/linux/cli/README.md
+++ b/docs/linux/cli/README.md
@@ -12,7 +12,7 @@
 - [Linux 系统管理](linux-cli-system.md) - 关键词：`reboot`, `exit`, `shutdown`, `date`, `mount`, `umount`, `ps`, `kill`, `systemctl`, `service`, `crontab`
 - [Linux 网络管理](linux-cli-net.md) - 关键词：关键词：`curl`, `wget`, `telnet`, `ip`, `hostname`, `ifconfig`, `route`, `ssh`, `ssh-keygen`, `firewalld`, `iptables`, `host`, `nslookup`, `nc`/`netcat`, `ping`, `traceroute`, `netstat`
 - [Linux 硬件管理](linux-cli-hardware.md) - 关键词：`df`, `du`, `top`, `free`, `iotop`
-- [Linux 软件管理](linux-cli-hardware.md) - 关键词：`rpm`, `yum`, `apt-get`
+- [Linux 软件管理](linux-cli-software.md) - 关键词：`rpm`, `yum`, `apt-get`
 
 ## 📚 资料
 
@@ -22,4 +22,4 @@
 
 ## 🚪 传送门
 
-◾ 🏠 [DB-TUTORIAL 首页](https://github.com/dunwu/linux-tutorial) ◾ 🎯 [我的博客](https://github.com/dunwu/blog) ◾
+◾ 💧 [钝悟的 IT 知识图谱](https://dunwu.github.io/waterdrop/) ◾ 🎯 [钝悟的博客](https://dunwu.github.io/blog/) ◾
diff --git a/docs/linux/ops/README.md b/docs/linux/ops/README.md
index f9b0f0f..658882f 100644
--- a/docs/linux/ops/README.md
+++ b/docs/linux/ops/README.md
@@ -14,4 +14,4 @@
 
 ## 🚪 传送门
 
-◾ 🏠 [DB-TUTORIAL 首页](https://github.com/dunwu/linux-tutorial) ◾ 🎯 [我的博客](https://github.com/dunwu/blog) ◾
+◾ 💧 [钝悟的 IT 知识图谱](https://dunwu.github.io/waterdrop/) ◾ 🎯 [钝悟的博客](https://dunwu.github.io/blog/) ◾
diff --git a/docs/linux/soft/README.md b/docs/linux/soft/README.md
index 7355bd4..b0df7be 100644
--- a/docs/linux/soft/README.md
+++ b/docs/linux/soft/README.md
@@ -28,4 +28,4 @@
 
 ## 🚪 传送门
 
-◾ 🏠 [DB-TUTORIAL 首页](https://github.com/dunwu/linux-tutorial) ◾ 🎯 [我的博客](https://github.com/dunwu/blog) ◾
+◾ 💧 [钝悟的 IT 知识图谱](https://dunwu.github.io/waterdrop/) ◾ 🎯 [钝悟的博客](https://dunwu.github.io/blog/) ◾