diff --git a/README.md b/README.md
index 256dbd4a..c20e3ece 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,12 @@ NEURON IIoT System for Industry 4.0
 
 ## Build Requirements
 
-- [nng](https://github.com/nanomsg/nng)
+- [openssl](https://github.com/openssl/openssl)
+
+- [nng](https://github.com/nanomsg/nng/tree/v1.4.0)
 
   ```shell
-  $ git clone git@github.com:nanomsg/nng.git
+  $ git clone -b v1.4.0 git@github.com:nanomsg/nng.git
   $ cd nng
   $ mkdir build
   $ cd build
@@ -38,10 +40,22 @@ NEURON IIoT System for Industry 4.0
   $ cd libjwt
   $ mkdir build
   $ cd build
-  $ cmake -G Ninja -DBUILD_EXAMPLES=OFF -DOPENSSL_ROOT_DIR={YOUR_OPENSSL_ROOT_DIR} -DOPENSSL_INCLUDE_DIR={YOUR_OPENSSL_INCLUDE_DIR} ..
+  $ cmake -G Ninja -DBUILD_EXAMPLES=OFF -DOPENSSL_ROOT_DIR={YOUR_OPENSSL_ROOT_DIR} ..
   $ ninja
   $ ninja install
   ```
 
+- [paho-mqtt.c](https://github.com/eclipse/paho.mqtt.c/tree/v1.3.9)
 
+  ```shell
+  $ git clone -b v1.3.9 git@github.com:eclipse/paho.mqtt.c.git
+  $ cd paho.mqtt.c
+  $ mkdir build
+  $ cd build
+  $ cmake -G Ninja -DPAHO_BUILD_SAMPLES=FALSE  -DPAHO_WITH_SSL=TRUE -DPAHO_BUILD_SHARED=FALSE  -DPAHO_BUILD_STATIC=TRUE -DOPENSSL_ROOT_DIR={YOUR_OPENSSL_ROOT_DIR} -DPAHO_HIGH_PERFORMANCE=TRUE -DCMAKE_BUILD_TYPE=Release  ..
+  $ ninja
+  $ ninja install
+  ```
+
+  
 
diff --git a/install-libs.sh b/install-libs.sh
new file mode 100755
index 00000000..5b0d60d1
--- /dev/null
+++ b/install-libs.sh
@@ -0,0 +1,148 @@
+#!/bin/sh
+
+lib_list=(nng jansson jwt paho)
+list_str=""
+for var in ${lib_list[*]};do
+    list_str+=$var" "
+done
+
+function usage() {
+    echo "Usage: $0 "
+    echo "  -a \tBuild all dependencies"
+    echo "  -i \tSpecify the  dependence (opts: $list_str)"
+}
+
+if [ $# -eq 0 ];then
+usage
+exit
+fi
+
+if [ `whoami` != "root" ];then
+	echo "please use root access"
+  exit 2
+fi
+
+# nng
+function build_nng()
+{
+    echo "building nng (v1.4.0)"
+    if [ ! -d nng ];then
+        git clone -b v1.4.0 https://github.com/nanomsg/nng.git
+    fi
+    cd nng
+    mkdir build
+    cd build
+    cmake -G Ninja ..
+    ninja
+    ninja install
+
+    echo "leaving nng "
+    cd ../../
+}
+
+# jansson
+function build_jansson()
+{
+    echo "building jansson"
+    if [ ! -d jansson ];then
+        git clone https://github.com/akheron/jansson.git
+    fi
+    cd jansson
+    rm -rf build
+    mkdir build
+    cd build
+    cmake -G Ninja -DJANSSON_BUILD_DOCS=OFF ..
+    ninja
+    ninja install
+
+    echo "leaving jansson "
+    cd ../../
+}
+
+# jwt
+function build_jwt()
+{
+    echo "building libjwt"
+    if [ ! -d libjwt ];then
+        git clone https://github.com/benmcollins/libjwt.git
+    fi
+    cd libjwt
+    rm -rf build
+    mkdir build
+    cd build
+    cmake -G Ninja -DBUILD_EXAMPLES=OFF $ssl_lib_flag  ..
+    ninja
+    ninja install
+
+    echo "leaving libjwt "
+    cd ../../
+}
+
+# paho.mqtt.c
+function build_paho()
+{
+    echo "building paho.mqtt.c (v1.3.9)"
+    if [ ! -d paho.mqtt.c ];then
+        git clone -b v1.3.9 https://github.com/eclipse/paho.mqtt.c.git
+    fi
+    cd paho.mqtt.c
+    rm -rf build
+    mkdir build
+    cd build
+    cmake -G Ninja -DPAHO_BUILD_SAMPLES=FALSE  -DPAHO_WITH_SSL=TRUE -DPAHO_BUILD_SHARED=FALSE  -DPAHO_BUILD_STATIC=TRUE $ssl_lib_flag -DPAHO_HIGH_PERFORMANCE=TRUE -DCMAKE_BUILD_TYPE=Release  ..
+    ninja
+    ninja install
+    echo "leaving paho.mqtt.c "
+    cd ../../
+}
+
+current=`pwd`
+externs="/opt/externs"
+
+if [ ! -d $externs ];then
+    mkdir $externs
+fi
+
+echo "entering $externs"
+cd $externs
+
+system=`uname`
+echo "System: $system"
+
+ssl_lib_flag=""
+case "$system" in
+    "Linux") ssl_lib_flag=""
+    ;;
+    "Darwin") ssl_lib_flag="-DOPENSSL_ROOT_DIR=/usr/local/opt/openssl"
+    ;;
+    *)
+    ;;
+esac
+
+while getopts "a-:i:h" OPT; do
+    case ${OPT} in
+    a) 
+        echo "build ${list_str}"
+        for var in ${lib_list[*]};do
+            build_$var
+        done
+        ;;
+    i) 
+        pkgname=$OPTARG
+        build_$pkgname
+        ;;
+    h)
+        usage
+        exit 0
+        ;;
+    \?)
+        usage
+        exit 1
+        ;;
+    esac
+done
+
+
+echo "leaving $extends"
+cd $current
+