diff --git a/shell/json/Makefile b/shell/json/Makefile
new file mode 100644
index 0000000..02b5561
--- /dev/null
+++ b/shell/json/Makefile
@@ -0,0 +1,21 @@
+CC=g++ -Wall -g
+PWD=$(shell pwd)
+PROG=json_shell
+
+vpath %.cpp ${PWD} ../../cpp/runner
+LDFLAGS := -lboost_system -lboost_filesystem -lboost_thread -lpthread
+
+OBJS := json_shell.o task.o task_manager.o
+
+build: ${PROG}
+
+${PROG}: ${OBJS}
+	${CC} -o $@ $^ ${LDFLAGS}
+
+%.o:%.cpp
+	${CC} -c $<
+
+clean:
+	rm -f *.o ${PROG}
+
+rebuild: clean build
diff --git a/shell/json/config_softwware.bash b/shell/json/config_softwware.bash
new file mode 100755
index 0000000..a676da1
--- /dev/null
+++ b/shell/json/config_softwware.bash
@@ -0,0 +1,64 @@
+#!/bin/bash
+
+VALUES=$1
+
+for s in $(echo $VALUES | jq -r "to_entries|map(\"\(.key)=\(.value|tostring)\")|.[]"); do
+    export $s
+done
+
+function configSoftware() {
+    local markSoft=$1
+    markSoft=${markSoft//\[/}
+    markSoft=${markSoft//\]/}
+    local markList=(${markSoft//,/ })
+
+    local availSoft=$2
+    availSoft=${availSoft//\[/}
+    availSoft=${availSoft//\]/}
+    local availList=(${availSoft//,/ })
+
+    declare -a removeList
+    idx=0
+    for mark in "${markList[@]}"; do
+        found=0
+        for avail in "${availList[@]}"; do
+            if [ $mark == $avail ]; then
+                found=1
+            fi
+        done
+        if [ $found == 0 ]; then
+            removeList[$idx]=$mark
+            ((idx++))
+        fi
+    done
+
+    removeLen=${#removeList[@]}
+    if [ $removeLen != 0 ]; then
+        # remove
+        echo "Will remove: apt-get remove ${removeList[@]}"
+        # apt-get remove --allow-remove-essential ${removeList[@]}
+    fi
+    availLen=${#availList[@]}
+    if [ $availLen != 0 ]; then
+        # install
+        echo "Will install: apt-get install -y ${availList[@]}"
+        # apt-get install -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold"  ${availList[@]}
+    fi
+}
+
+# MARK_SOFTWARES=`echo "$1" | jq -c '.MARK_SOFTWARES'`
+# AVAILABLE_SOFTWARES=`echo "$1" | jq -c '.AVAILABLE_SOFTWARES'`
+echo "Mark: ${MARK_SOFTWARES}"
+echo "Avail: ${AVAILABLE_SOFTWARES}"
+
+if [ ! -z ${MARK_SOFTWARES} ]; then
+    echo "Has mark"
+fi
+
+if [ ! -z ${AVAILABLE_SOFTWARES} ]; then
+    echo "Has avail"
+fi
+
+ if [ ! -z ${MARK_SOFTWARES} -a ! -z ${AVAILABLE_SOFTWARES} ]; then
+	 configSoftware ${MARK_SOFTWARES} ${AVAILABLE_SOFTWARES}
+ fi
diff --git a/shell/json/dmcg_software_diff.sh b/shell/json/dmcg_software_diff.sh
new file mode 100755
index 0000000..574d994
--- /dev/null
+++ b/shell/json/dmcg_software_diff.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+if [ "$1"x == ""x ]; then
+	echo "Please input mark and available json"
+	exit
+fi
+
+if [ "$2"x == ""x ]; then
+	echo "Please input mark and available json"
+	exit
+fi
+
+markRet=`cat $1 | jq -c '[.[]]'`
+echo "Software Mark: ${markRet}"
+markRet=${markRet//\[/}
+markRet=${markRet//\]/}
+markList=(${markRet//,/ })
+
+availRet=`cat $2 | jq -c '[.available_softwares[]]'`
+echo "Available List: ${availRet}"
+availRet=${availRet//\[/}
+availRet=${availRet//\]/}
+availList=(${availRet//,/ })
+
+function is_in_available_list() {
+	local name=$1
+	local list=$2
+
+	for avail in "${availList[@]}"; do
+		echo -e "\tCompare: ${avail}, ${name}"
+		if [ "$avail"x == "$name"x ]; then
+			return 1
+		fi
+	done
+
+	return 0
+}
+
+declare -a removeList
+idx=0
+for mark in "${markList[@]}"; do
+	echo -e "\nStart: ${mark}"
+	is_in_available_list ${mark}
+	ret=$?
+	echo "Ret: $ret, $idx"
+	if [ "${ret}"x == "0"x ]; then
+		removeList[$ret]=$mark
+		echo "After insert: ${removeList}"
+		((idx++))
+	fi
+done
+
+removeLen=${#removeList[@]}
+if [ $removeLen == 0 ]; then
+	echo "nothing to do"
+	exit
+fi
+echo "Remove len(${removeLen}): apt-get purge ${removeList[@]}"
diff --git a/shell/json/json_shell.cpp b/shell/json/json_shell.cpp
new file mode 100644
index 0000000..9fea2da
--- /dev/null
+++ b/shell/json/json_shell.cpp
@@ -0,0 +1,94 @@
+// Compile: g++ -Wall -g
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <nlohmann/json.hpp>
+
+#include <boost/shared_ptr.hpp>
+
+#include "../../cpp/runner/task.h"
+#include "../../cpp/runner/task_manager.h"
+
+using namespace std;
+
+static string
+load_filename(const string &filename)
+{
+    string content;
+    try {
+        fstream fr;
+        fr.open(filename, ios::in);
+        istreambuf_iterator<char> beg(fr);
+        istreambuf_iterator<char> end;
+        content = string(beg, end);
+    } catch (const exception &e) {
+        cout<<"Load file failed: "<<e.what()<<endl;
+    }
+
+    return content;
+}
+
+static nlohmann::json
+parse_json_file(const string &filename)
+{
+    nlohmann::json json;
+    string content = load_filename(filename);
+    if (content.empty()) {
+        return json;
+    }
+    try {
+    json = nlohmann::json::parse(content);
+    } catch (const exception &e) {
+        cout<<"Parse content failed: "<<e.what()<<endl;
+    }
+    return json;
+}
+
+int
+main(int argc, char *argv[])
+{
+    if (argc != 4) {
+        cout<<"Usage: "<<argv[0]<<" <shell> <mark software file> <avail software file>"<<endl;
+        return -1;
+    }
+
+    nlohmann::json mark_json = parse_json_file(argv[2]);
+    nlohmann::json avail_json = parse_json_file(argv[3]);
+    if (mark_json.is_null() || avail_json.is_null()) {
+        return -1;
+    }
+
+    nlohmann::json values;
+    values["MARK_SOFTWARES"] = mark_json;
+    values["AVAILABLE_SOFTWARES"] = avail_json["available_softwares"];
+    vector<string> args = {values.dump(-1)};
+
+    namespace dmr = dmcg::module::runner;
+    dmr::TaskManager manager;
+    boost::shared_ptr<dmr::Task> task = manager.Create(argv[1], args);
+    if (!task) {
+        cout<<"Create task failed"<<endl;
+        return -1;
+    }
+
+    task->Finish.connect([task](
+        const string &exception,
+        const int &exit_code,
+        const string &output,
+        const string &error_output
+    ){
+        if (!exception.empty()) {
+            cout<<"Exception: "<<exception<<endl;
+            return;
+        }
+        cout<<"Exit code: "<<exit_code<<endl;
+        if (!error_output.empty()) {
+            cout<<"stderr: "<<error_output<<endl;
+            return;
+        }
+        cout<<"stdout: "<<output<<endl;
+    });
+    task->Run(true);
+
+    return 0;
+}
\ No newline at end of file
diff --git a/shell/json/testdata/pc_config.json b/shell/json/testdata/pc_config.json
new file mode 100644
index 0000000..8a2f700
--- /dev/null
+++ b/shell/json/testdata/pc_config.json
@@ -0,0 +1 @@
+{"pc_config":{"iptables":{"content":["iptables -A INPUT -p tcp --dport 80 -j DROP","iptables -A OUTPUT -p tcp --sport 80 -j DROP"]},"screensaver":{"enable":true,"delay":600},"power":{"display_standby":3600},"pam_cracklib":{"minlen":20,"reject_username":true,"minclass":0},"wallpaper":{"image":"/data/wallpaper/1557747710158231205.png"},"script":{"name":"empty.sh","content":"","upload_at":"2019-05-10T05:22:29Z"}},"available_softwares":["deepin-terminal","libghc-aeson-qq-dev","libghc-aeson-qq-doc"],"can_login":false}
\ No newline at end of file
diff --git a/shell/json/testdata/software_mark.json b/shell/json/testdata/software_mark.json
new file mode 100644
index 0000000..3f67adb
--- /dev/null
+++ b/shell/json/testdata/software_mark.json
@@ -0,0 +1 @@
+["deepin-terminal","libghc-aeson-qq-dev","libghc-aeson-qq-doc","parcellite"]
\ No newline at end of file