diff --git a/README.md b/README.md
index 17b7b1b..3b804ad 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 Next Terminal是使用Golang和React开发的一款HTML5的远程桌面网关，具有小巧、易安装、易使用、资源占用小的特点，支持RDP、SSH、VNC和Telnet协议的连接和管理。
 
-Next Terminal基于Apache Guacamole开发，使用到了guacd服务。
+Next Terminal基于 [Apache Guacamole](!https://guacamole.apache.org/) 开发，使用到了guacd服务。
 
 目前支持的功能有：
 
@@ -28,8 +28,8 @@ test/test
 
 ## 快速安装
 
-- [使用docker安装](docs/install-docker.MD)
-- [原生安装](docs/install-naive.MD)
+- [使用docker安装](docs/install-docker.md)
+- [原生安装](docs/install-naive.md)
 
 默认账号密码为 admin/admin
 
diff --git a/docs/install-docker.MD b/docs/install-docker.md
similarity index 100%
rename from docs/install-docker.MD
rename to docs/install-docker.md
diff --git a/docs/install-naive.MD b/docs/install-naive.md
similarity index 95%
rename from docs/install-naive.MD
rename to docs/install-naive.md
index 1da3aec..087fe84 100644
--- a/docs/install-naive.MD
+++ b/docs/install-naive.md
@@ -18,7 +18,7 @@ sudo apt-get install libcairo2-dev libjpeg-turbo8-dev libpng12-dev libtool-bin l
 sudo apt-get install libcairo2-dev libjpeg62-turbo-dev libpng-dev libtool-bin libossp-uuid-dev freerdp2-dev libpango1.0-dev libssh2-1-dev libtelnet-dev libvncserver-dev libwebsockets-dev libpulse-dev libssl-dev libvorbis-dev libwebp-dev
 ```
 
-如有疑问可参考guacamole[官方安装文档](!https://guacamole.apache.org/doc/gug/installing-guacamole.html)
+如有疑问可参考 [Guacamole官方安装文档](!https://guacamole.apache.org/doc/gug/installing-guacamole.html)
 
 下载&解压&configure
 ```shell
@@ -121,7 +121,7 @@ fc-cache
 ### 安装 Next Terminal
 建立next-terminal目录
 ```shell
-mkdir ~/next-terminal & cd ~/next-terminal
+mkdir ~/next-terminal && cd ~/next-terminal
 ```
 
 下载
diff --git a/screenshot/wx1.png b/screenshot/wx1.png
index df5bb40..c0843c4 100644
Binary files a/screenshot/wx1.png and b/screenshot/wx1.png differ