diff --git a/codes/linux/ops/soft/README.md b/codes/linux/ops/soft/README.md
index 2902069..3ec09e6 100644
--- a/codes/linux/ops/soft/README.md
+++ b/codes/linux/ops/soft/README.md
@@ -11,10 +11,27 @@ JDK8 会被安装到 `/usr/lib/jvm/java` 路径。
 执行以下任意命令即可执行安装脚本。
 
 ```sh
-curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/jdk8-install.sh | bash
-wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/jdk8-install.sh | bash
+curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/service/jdk8-install.sh | bash
+wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/service/jdk8-install.sh | bash
 ```
 
+## Maven 安装
+
+说明：
+
+- 脚本会下载解压 maven3 到 `/opt/maven` 路径下。
+- 备份并替换 `settings.xml`，使用 aliyun 镜像加速 maven。
+
+使用方法：
+
+执行以下任意命令即可执行安装脚本。
+
+```sh
+curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/maven-install.sh | bash
+wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/maven-install.sh | bash
+```
+
+
 ## Redis 安装
 
 说明：
@@ -26,8 +43,8 @@ wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux
 执行以下任意命令即可执行安装脚本。
 
 ```sh
-curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/redis-install.sh | bash
-wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/redis-install.sh | bash
+curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/service/redis-install.sh | bash
+wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/service/redis-install.sh | bash
 ```
 
 
diff --git a/codes/linux/ops/soft/main.sh b/codes/linux/ops/soft/main.sh
index 63f928d..9d3a186 100644
--- a/codes/linux/ops/soft/main.sh
+++ b/codes/linux/ops/soft/main.sh
@@ -1,26 +1,24 @@
 #!/usr/bin/env bash
 
-# 打印头部信息
-printHeadInfo() {
 cat << EOF
 
 ***********************************************************************************
-* 欢迎使用 Linux CentOS 服务安装配置脚本
+* 欢迎使用 Linux CentOS 软件安装配置脚本
 * Author: Zhang Peng
 ***********************************************************************************
 
 EOF
-}
 
-main() {
+path=$(cd "$(dirname "$0")"; pwd)
 PS3="Please select script type: "
 select item in "git" "jdk" "maven"
 do
 path=$(cd "$(dirname "$0")"; pwd)
 case ${item} in
   "git") yum install -y git ;;
-  "jdk") ${path}/jdk/install-jdk8.sh ;;
-  "maven") ${path}/maven/install-maven3.sh ;;
+  "jdk") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/service/jdk8-install.sh | bash ;;
+  "maven") wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/maven-install.sh | bash ;;
+  "redis") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/service/redis-install.sh | bash ;;
   *)
     echo -e "输入项不支持！"
     main
@@ -28,12 +26,4 @@ case ${item} in
 esac
 break
 done
-}
 
-filepath=$(cd "$(dirname "$0")"; pwd)
-
-######################################## MAIN ########################################
-path=$(cd "$(dirname "$0")"; pwd)
-
-printHeadInfo
-main
diff --git a/codes/linux/ops/soft/maven-install.sh b/codes/linux/ops/soft/maven-install.sh
index 970a2fa..66d16e9 100644
--- a/codes/linux/ops/soft/maven-install.sh
+++ b/codes/linux/ops/soft/maven-install.sh
@@ -22,21 +22,20 @@ fi
 
 echo -e "\n>>>>>>>>> download maven"
 mkdir -p ${root}
-cd ${root}
-
-wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie"  -O ${root}/apache-maven-${version}-bin.tar.gz http://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/${version}/binaries/apache-maven-${version}-bin.tar.gz
+wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" -O ${root}/apache-maven-${version}-bin.tar.gz http://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/${version}/binaries/apache-maven-${version}-bin.tar.gz
 
 echo -e "\n>>>>>>>>> install maven"
-tar -zxvf apache-maven-${version}-bin.tar.gz -C ${root}
+tar -zxvf ${root}/apache-maven-${version}-bin.tar.gz -C ${root}
 
+path=${root}/apache-maven-${version}
 # 设置环境变量
 cat >> /etc/profile << EOF
-export MAVEN_HOME=/opt/maven/apache-maven-3.5.4
+export MAVEN_HOME=${path}
 export PATH=\$MAVEN_HOME/bin:\$PATH
 EOF
 source /etc/profile
 
 # 备份并替换 settings.xml，使用 aliyun 镜像加速 maven
-echo -e "\n>>>>>>>>> replace /opt/maven/apache-maven-${version}/conf/settings.xml"
-cp /opt/maven/apache-maven-${version}/conf/settings.xml /opt/maven/apache-maven-${version}/conf/settings.xml.bak
-wget -N https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/config/settings-aliyun.xml -O /opt/maven/apache-maven-${version}/conf/settings.xml
+echo -e "\n>>>>>>>>> replace ${path}/conf/settings.xml"
+cp ${path}/conf/settings.xml ${path}/conf/settings.xml.bak
+wget -N https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/config/settings-aliyun.xml -O ${path}/conf/settings.xml