diff --git a/codes/linux/ops/soft/README.md b/codes/linux/ops/soft/README.md
index e1402da..e5fceb8 100644
--- a/codes/linux/ops/soft/README.md
+++ b/codes/linux/ops/soft/README.md
@@ -61,6 +61,21 @@ curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/
 wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/nodejs-install.sh | bash
 ```
 
+## MongoDB 安装
+
+说明：
+
+下载 mongodb `4.0.9` 并解压安装到 `/opt/mongodb` 路径下。
+
+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/mongodb-install.sh | bash
+wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/mongodb-install.sh | bash
+```
+
 ## Redis 安装
 
 说明：
@@ -115,4 +130,16 @@ curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/
 wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/rocketmq-install.sh | bash
 ```
 
-脚本会下载解压 kafka 到 `/opt/kafka` 路径下。
+## ZooKeeper 安装
+
+说明：
+
+下载 zookeeper `3.4.12` 并解压安装到 `/opt/zookeeper` 路径下。
+
+使用方法：执行以下任意命令即可执行脚本。
+
+```sh
+curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/zookeeper-install.sh | bash
+wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/zookeeper-install.sh | bash
+```
+
diff --git a/codes/linux/ops/soft/main.sh b/codes/linux/ops/soft/main.sh
index b8eb8f4..fff6256 100644
--- a/codes/linux/ops/soft/main.sh
+++ b/codes/linux/ops/soft/main.sh
@@ -11,7 +11,7 @@ EOF
 
 path=$(cd "$(dirname "$0")"; pwd)
 PS3="Please select script type: "
-select item in "git" "zsh" "jdk" "maven" "nodejs" "redis" "tomcat" "kafka" "rocketmq"
+select item in "git" "zsh" "jdk" "maven" "nodejs" "mongodb" "redis" "tomcat" "kafka" "rocketmq" "zookeeper"
 do
 path=$(cd "$(dirname "$0")"; pwd)
 case ${item} in
@@ -20,10 +20,12 @@ case ${item} in
   "jdk") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/jdk8-install.sh | bash ;;
   "maven") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/maven-install.sh | bash ;;
   "nodejs") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/nodejs-install.sh | bash ;;
+  "mongodb") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/mongodb-install.sh | bash ;;
   "redis") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/redis-install.sh | bash ;;
   "tomcat") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/tomcat8-install.sh | bash ;;
   "kafka") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/kafka-install.sh | bash ;;
   "rocketmq") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/rocketmq-install.sh | bash ;;
+  "zookeeper") curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/zookeeper-install.sh | bash ;;
   *)
     echo -e "输入项不支持！"
     main
diff --git a/codes/linux/ops/soft/mongodb/install-mongodb.sh b/codes/linux/ops/soft/mongodb-install.sh
similarity index 63%
rename from codes/linux/ops/soft/mongodb/install-mongodb.sh
rename to codes/linux/ops/soft/mongodb-install.sh
index f0f60de..9f668bf 100644
--- a/codes/linux/ops/soft/mongodb/install-mongodb.sh
+++ b/codes/linux/ops/soft/mongodb-install.sh
@@ -1,20 +1,29 @@
 #!/usr/bin/env bash
 
+cat << EOF
+
 ###################################################################################
 # 安装 mongodb 脚本
-# 适用于所有 linux 发行版本。
+# @system: 适用于所有 linux 发行版本。
 # @author: Zhang Peng
 ###################################################################################
 
-echo -e "\n>>>>>>>>> install mongodb"
+EOF
+
+version=4.0.9
+if [[ -n $1 ]]; then
+  version=$1
+fi
 
-# 下载并解压 mongodb
 root=/opt/mongodb
-version=3.6.3
+if [[ -n $2 ]]; then
+  root=$2
+fi
+
+echo -e "\n>>>>>>>>> download mongodb"
 mkdir -p ${root}
 wget -O ${root}/mongodb-linux-x86_64-${version}.tgz https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-${version}.tgz
-cd ${root}
-tar zxf mongodb-linux-x86_64-${version}.tgz
-mv mongodb-linux-x86_64-${version} mongodb-${version}
 
+echo -e "\n>>>>>>>>> install mongodb"
+tar zxf ${root}/mongodb-linux-x86_64-${version}.tgz -C ${root}
 mkdir -p /data/db
diff --git a/codes/linux/ops/soft/mongodb/README.md b/codes/linux/ops/soft/mongodb/README.md
deleted file mode 100644
index 2f4dac4..0000000
--- a/codes/linux/ops/soft/mongodb/README.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# 安装 mongodb
-
-使用方法：
-
-```sh
-curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/mongodb/install-mongodb.sh | bash
-```
-
-脚本会下载解压 redis 到 `/opt/mongodb` 路径下。
diff --git a/codes/linux/ops/soft/zookeeper/install-zookeeper.sh b/codes/linux/ops/soft/zookeeper-install.sh
similarity index 66%
rename from codes/linux/ops/soft/zookeeper/install-zookeeper.sh
rename to codes/linux/ops/soft/zookeeper-install.sh
index 29b1e5b..7ca6676 100644
--- a/codes/linux/ops/soft/zookeeper/install-zookeeper.sh
+++ b/codes/linux/ops/soft/zookeeper-install.sh
@@ -1,17 +1,28 @@
 #!/usr/bin/env bash
 
+cat << EOF
+
 ###################################################################################
 # 安装 zookeeper 脚本
-# 适用于所有 linux 发行版本。
+# @system: 适用于所有 linux 发行版本。
 # @author: Zhang Peng
 ###################################################################################
 
-echo -e "\n>>>>>>>>> install zookeeper"
+EOF
+
+version=3.4.12
+if [[ -n $1 ]]; then
+  version=$1
+fi
 
 root=/opt/zookeeper
-version=3.4.12
+if [[ -n $2 ]]; then
+  root=$2
+fi
+
+echo -e "\n>>>>>>>>> download zookeeper"
 mkdir -p ${root}
 wget -O ${root}/zookeeper-${version}.tar.gz http://mirrors.hust.edu.cn/apache/zookeeper/zookeeper-${version}/zookeeper-${version}.tar.gz
-cd ${root}
-tar -zxf zookeeper-${version}.tar.gz
-cd zookeeper-${version}
+
+echo -e "\n>>>>>>>>> install zookeeper"
+tar zxf ${root}/zookeeper-${version}.tar.gz -C ${root}
diff --git a/codes/linux/ops/soft/zookeeper/README.md b/codes/linux/ops/soft/zookeeper/README.md
deleted file mode 100644
index c7bf616..0000000
--- a/codes/linux/ops/soft/zookeeper/README.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# 安装 ZooKeeper
-
-使用方法：
-
-```sh
-curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/soft/zookeeper/install-zookeeper.sh | bash
-```
-
-脚本会下载解压 zookeeper 到 `/opt/zookeeper` 路径下。