diff --git a/shell/json.sh b/shell/json.sh
new file mode 100644
index 0000000..5a48ef4
--- /dev/null
+++ b/shell/json.sh
@@ -0,0 +1,48 @@
+#--- json_escape_string() - Format a string value according to JSON syntax (no unicode for now) ---
+function json_escape_string() {
+	sed -E '$!N; s/(["\\\/])/\\\1/g; s/\'$'\b''/\\b/g; s/\n/\\n/g; s/\'$'\t''/\\t/g; s/\'$'\f''/\\f/g; s/\'$'\r''/\\r/g' <<<"$*" | tr -d '\n'
+}
+
+#--- json_unescape_string() - Convert a JSON string (without quotes) to native bash format ---
+function json_unescape_string() {
+	sed -E 's/\\"/"/g; s#\\/#/#g; s/\\b/'$'\b''/; s/\\n/\'$'\n''/g; s/\\t/\'$'\t''/g; s/\\f/\'$'\f''/g; s/\\r/\'$'\r''/g; s/\\\\/\\/g' <<<"$*"
+}
+
+#--- json_array() - Format a JSON array ---
+function json_array() {
+	local sep=''
+	echo -n "["
+	#--- Print each argument as a JSON element ---
+	for value in "$@"; do
+                #--- Quote value ---
+                echo -n "$sep\"`json_escape_string "$value"`\""
+		#--- Add a seperator for subsequent elements ---
+		sep=', '
+	done
+	#--- Close JSON reponse ---
+	echo "]"
+}
+
+#--- json_dict() - Format a JSON dictionary ---
+function json_dict() {
+	local var
+	local sep=''
+	echo -n "{"
+	#--- Print each argument as a JSON element ---
+	for var in "$@"; do
+		#--- var=value : String value supplied inline, escape string for JSON  ---
+		if [[ "$var" =~ ^([^=]*)=(.*)$ ]]; then
+			echo -n "$sep\"${BASH_REMATCH[1]}\": \"`json_escape_string "${BASH_REMATCH[2]}"`\""
+		#--- var:value : Raw JSON value supplied inline, don't escape ---
+		elif [[ "$var" =~ ^([^:]*):(.*)$ ]]; then
+			echo -n "$sep\"${BASH_REMATCH[1]}\": ${BASH_REMATCH[2]}"
+		#--- var : String value is to be obtained from bash environment variables ---
+		else
+			echo -n "$sep\"$var\": \"`json_escape_string "${!var}"`\""
+		fi
+		#--- Add a seperator for subsequent elements ---
+		sep=', '
+	done
+	#--- Close JSON reponse ---
+	echo "}"
+}
\ No newline at end of file
diff --git a/shell/set_proxy.sh b/shell/set_proxy.sh
new file mode 100644
index 0000000..3b0674a
--- /dev/null
+++ b/shell/set_proxy.sh
@@ -0,0 +1,344 @@
+#!/bin/bash
+# 
+# Author: lework
+# Desc:   Set the proxy address of the software source.
+# Date:   2020/03/10
+
+
+set -o errexit          # Exit on most errors (see the manual)
+set -o errtrace         # Make sure any error trap is inherited
+set -o nounset          # Disallow expansion of unset variables
+set -o pipefail         # Use last non-zero exit code in a pipeline
+
+
+######################################################################################################
+# environment configuration
+######################################################################################################
+
+OS=`cat /etc/*-release | grep '^ID=' | \
+  sed 's/^ID=["]*\([a-zA-Z]*\).*$/\1/' | \
+  tr '[:upper:]' '[:lower:]'`
+
+
+PIP_PROXY="https://pypi.tuna.tsinghua.edu.cn/simple"
+GEM_PROXY="https://gems.ruby-china.com/"
+NODEJS_PROXY="https://registry.npm.taobao.org"
+GO_PROXY="https://mirrors.aliyun.com/goproxy/"
+DOCKER_CE_PROXY="mirrors.ustc.edu.cn"
+DOCKER_HUB_PROXY="http://hub-mirror.c.163.com"
+DOCKER_HTTP_PROXY=""
+DOCKER_HTTPS_PROXY=""
+CONTAINERD_HTTP_PROXY=""
+CONTAINERD_HTTPS_PROXY=""
+CENTOS_PROXY="mirrors.ustc.edu.cn"
+DEBAIN_PROXY="mirrors.ustc.edu.cn"
+DEBAIN_ARCHIVE_PROXY="http://mirrors.163.com/debian-archive"
+UBUNTU_PROXY="mirrors.tuna.tsinghua.edu.cn"
+ALPINE_PROXY="mirrors.aliyun.com"
+KUBERNETES_PROXY="https://mirrors.aliyun.com"
+
+
+######################################################################################################
+# function
+######################################################################################################
+
+_get_proxy() {
+ echo "SoftWare: ${FUNCNAME[1]}" >&2
+ local proxy=${1:-${2:-}}
+ while [ -z ${proxy} ]; do
+   read -p "Input ${3:-}Proxy: " proxy
+ done
+ echo -e "Set: ${proxy}\n" >&2
+ echo "${proxy}"
+}
+
+
+centos() {
+local _proxy=$(_get_proxy ${1:-} $CENTOS_PROXY)
+
+sed -e 's!^#baseurl=!baseurl=!g' \
+       -e 's!^mirrorlist=!#mirrorlist=!g' \
+       -e "s!mirror.centos.org!${_proxy}!g" \
+       -i  /etc/yum.repos.d/CentOS-*.repo
+
+yum install -y epel-release
+sed -e 's!^mirrorlist=!#mirrorlist=!g' \
+    -e 's!^#baseurl=!baseurl=!g' \
+    -e 's!^metalink!#metalink!g' \
+    -e "s!//download\.fedoraproject\.org/pub!//${_proxy}!g" \
+    -i /etc/yum.repos.d/epel.repo /etc/yum.repos.d/epel-testing.repo
+}
+
+debian() {
+local _proxy=$(_get_proxy ${1:-} $DEBAIN_PROXY)
+sudo sed -i "s/deb.debian.org/${_proxy}/g" /etc/apt/sources.list
+sudo apt-get update
+}
+
+debiani_archive() {
+local _proxy=$(_get_proxy ${1:-} $DEBAIN_ARCHIVE_PROXY)
+cp /etc/apt/sources.list{,-bak}
+cat << EOF > /etc/apt/sources.list
+deb ${_proxy}/debian/ wheezy main non-free contrib
+deb ${_proxy}/debian/ wheezy-backports main non-free contrib
+deb-src ${_proxy}/debian/ wheezy main non-free contrib
+deb-src ${_proxy}/debian/ wheezy-backports main non-free contrib
+deb ${_proxy}/debian-security/ wheezy/updates main non-free contrib
+deb-src ${_proxy}/debian-security/ wheezy/updates main non-free contrib
+EOF
+
+sudo apt-get -o Acquire::Check-Valid-Until=false update
+}
+
+ubuntu() {
+local _proxy=$(_get_proxy ${1:-} $UBUNTU_PROXY)
+sudo sed -i "s/archive.ubuntu.com/${_proxy}/g" /etc/apt/sources.list
+sudo apt-get update
+}
+
+alpine() {
+local _proxy=$(_get_proxy ${1:-} $ALPINE_PROXY)
+sed -i "s/dl-cdn.alpinelinux.org/${_proxy}/g" /etc/apk/repositories
+}
+
+easy_install() {
+local _proxy=$(_get_proxy ${1:-} $PIP_PROXY)
+
+cat <<EOF > ~/.pydistutils.cfg  
+[easy_install]
+index-url = ${_proxy}
+EOF
+
+}
+
+pip() {
+local _proxy=$(_get_proxy ${1:-} $PIP_PROXY)
+
+local d="~/.pip"
+[ ! -d "${d}" ] && mkdir ${d}
+
+cat << EOF >  ${d}/pip.conf
+[global]
+index-url = ${_proxy}
+EOF
+
+easy_install ${_proxy}
+}
+
+ruby() {
+local _proxy=$(_get_proxy ${1:-} $GEM_PROXY)
+gem sources --add ${_proxy} --remove https://rubygems.org/
+}
+
+npm() {
+local _proxy=$(_get_proxy ${1:-} $NODEJS_PROXY)
+env npm config set registry ${_proxy}
+}
+
+yarn() {
+local _proxy=$(_get_proxy ${1:-} $NODEJS_PROXY)
+env yarn config set registry ${_proxy}
+}
+
+go() {
+local _proxy=$(_get_proxy ${1:-} $GO_PROXY)
+export GO111MODULE=on
+export GOPROXY=${_proxy}
+
+cat << EOF >> /etc/profile
+export GO111MODULE=on
+export GOPROXY=${_proxy}
+EOF
+}
+
+docker-ce() {
+local _proxy=$(_get_proxy ${1:-} $DOCKER_CE_PROXY)
+
+case "$OS" in
+  centos)
+    curl -s -o /etc/yum.repos.d/docker-ce.repo https://${_proxy}/docker-ce/linux/centos/docker-ce.repo
+    sed -i "s#download.docker.com#${_proxy}/docker-ce#g" /etc/yum.repos.d/docker-ce.repo
+    yum makecache
+    ;;
+  debian)
+    curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -
+    sudo add-apt-repository \
+      "deb [arch=amd64] http://${_proxy}/docker-ce/linux/debian \
+      $(lsb_release -cs) stable"
+    sudo apt-get update
+    ;;
+  ubuntu)
+    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+    sudo add-apt-repository \
+       "deb [arch=amd64] https://${_proxy}/docker-ce/linux/ubuntu \
+       $(lsb_release -cs) stable"
+    sudo apt-get update
+    ;;
+  *)
+    echo "不支持${OS}系统"
+    ;;
+esac
+}
+
+
+kubernetes() {
+local _proxy=$(_get_proxy ${1:-} $KUBERNETES_PROXY)
+
+case "$OS" in
+  centos)
+    cat <<EOF > /etc/yum.repos.d/kubernetes.repo
+[kubernetes]
+name=Kubernetes
+baseurl=${_proxy}/kubernetes/yum/repos/kubernetes-el7-x86_64/
+enabled=1
+gpgcheck=1
+repo_gpgcheck=1
+gpgkey=${_proxy}/kubernetes/yum/doc/yum-key.gpg ${_proxy}/kubernetes/yum/doc/rpm-package-key.gpg
+EOF
+  ;;
+  debian)
+    apt-get update && apt-get install -y apt-transport-https
+    curl -s https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | apt-key add -
+    cat << EOF >/etc/apt/sources.list.d/kubernetes.list
+deb ${_proxy}/kubernetes/apt/ kubernetes-xenial main
+EOF
+    apt-get update
+  ;;
+  *)
+    echo "不支持${OS}系统"
+    ;;
+esac
+}
+
+
+docker-hub() {
+local _proxy=$(_get_proxy ${1:-} $DOCKER_HUB_PROXY)
+local d="/etc/docker"
+[ ! -d "${d}" ] && mkdir ${d}
+cp  ${d}/daemon.json{,-bak}
+cat > ${d}/daemon.json <<EOF
+{
+    "log-driver": "json-file",
+    "log-opts": {
+        "max-size": "100m",
+        "max-file": "3"
+    },
+    "live-restore": true,
+    "max-concurrent-downloads": 10,
+    "max-concurrent-uploads": 10,
+    "storage-driver": "overlay2",
+    "storage-opts": [
+        "overlay2.override_kernel_check=true"
+    ],
+    "exec-opts": ["native.cgroupdriver=systemd"],
+    "registry-mirrors": [
+        "${_proxy}"
+    ]
+}
+EOF
+systemctl restart docker
+}
+
+docker-http() {
+local _http_proxy=$(_get_proxy ${1:-''} ${DOCKER_HTTP_PROXY:-''} "http ")
+local _https_proxy=$(_get_proxy ${1:-''} ${DOCKER_HTTPS_PROXY:-''} "https ")
+
+local d="/etc/systemd/system/docker.service.d"
+[ ! -d "${d}" ] && mkdir ${d}
+
+cat << EOF > ${d}/http-proxy.conf
+[Service]
+Environment="HTTP_PROXY=${_http_proxy}"
+Environment="HTTPS_PROXY=${_https_proxy}"
+EOF
+
+systemctl daemon-reload
+systemctl restart docker
+}
+
+containerd-hub() {
+local _proxy=$(_get_proxy ${1:-} $DOCKER_HUB_PROXY)
+# containerd config default > /etc/containerd/config.toml
+sed -i "s#https://registry-1.docker.io#${_proxy}#g" /etc/containerd/config.toml
+}
+
+containerd-http() {
+local _http_proxy=$(_get_proxy ${1:-''} ${CONTAINERD_HTTP_PROXY:-''} "http ")
+local _https_proxy=$(_get_proxy ${1:-''} ${CONTAINERD_HTTPS_PROXY:-''} "https ")
+local d="/etc/systemd/system/containerd.service.d"
+[ ! -d "${d}" ] && mkdir ${d}
+
+cat << EOF > ${d}/http-proxy.conf
+[Service]
+Environment="HTTP_PROXY=${_http_proxy}"
+Environment="HTTPS_PROXY=${_https_proxy}"
+EOF
+
+systemctl daemon-reload
+systemctl restart containerd
+}
+
+podman() {
+local _proxy=$(_get_proxy ${1:-} $DOCKER_HUB_PROXY)
+local d="/etc/containers"
+[ ! -d "${d}" ] && mkdir ${d}
+cp ${d}/registries.conf{,.bak}
+cat << EOF > ${d}/registries.conf 
+unqualified-search-registries = ["docker.io","quay.io"]
+
+[[registry]]
+prefix = "docker.io"
+location = "${_proxy}"
+EOF
+}
+
+_help() {
+  cat <<EOM
+
+Set the proxy address of the software source.
+ 
+  Usage:
+    $(basename $0) [[-p|--proxy] software] | [-l] | [-h]
+      -p,--proxy      Specify proxy node url
+      -l,--list       Supported software list 
+      -h,--help       View help
+
+  Example:
+    $(basename $0) pip
+    $(basename $0) -p http://mirrors.aliyun.com/pypi/simple pip
+    $(basename $0) docker-hub
+EOM
+ exit 1
+
+}
+
+_list() {
+  echo -e "\nSupported software list:\n"
+  echo $FUNCS | sed 's/ /\n/g'
+}
+
+######################################################################################################
+# main 
+######################################################################################################
+proxy=""
+
+FUNCS=$(declare -F | cut -d ' ' -f3 | sort | grep -v -E '^_.*')
+
+[ "$#" == "0" ] && _help
+
+
+while [ "${1:-}" != "" ]; do
+    case ${1} in
+        -p | --proxy )          shift
+                                proxy=${1}
+                                ;;
+         $([[ "${FUNCS[@]}" =~ "${1}" ]] && echo "*"))  ${1} ${proxy}; exit
+                                ;;
+        -l | --list )           _list
+                                ;;
+        -h | --help )           _help
+                                ;;
+        * )                     _help
+    esac
+    shift
+done