diff --git a/sqlite.cpp b/sqlite.cpp
new file mode 100644
index 00000000..03bb7d0f
--- /dev/null
+++ b/sqlite.cpp
@@ -0,0 +1,328 @@
+#include <QSqlDatabase>
+#include <QSqlQuery>
+#include <QSqlError>
+#include <QSqlQueryModel>
+#include <QDebug>
+#include <string>
+#include <vector>
+#include "../../include/tool/sqlite.h"
+
+namespace database
+{
+    sqlite::sqlite()
+    {
+        createDB();
+    }
+
+    sqlite::~sqlite()
+    {
+        db.close();
+    }
+
+    int sqlite::createDB()
+    {
+        int result;
+        if(QSqlDatabase::contains("QSQLITE"))
+        {
+            db = QSqlDatabase::database("QSQLITE");
+            result = 0;
+            if(db.open() == false){
+                qDebug() << "Error: Failed to connect database." << db.lastError();
+                result = 2;
+            }
+        }
+        else
+        {
+            db = QSqlDatabase::addDatabase("QSQLITE");
+            db.setDatabaseName("JointSecure.db");
+            if(db.open() == false){
+                qDebug() << "Error: Failed to connect database." << db.lastError();
+                result = 2;
+            }
+            else
+            {
+                createMissionTable();
+                createRobortTable();
+            }
+
+            result = 1;
+        }
+
+        return result;
+    }
+
+    int sqlite::createMissionTable()
+    {
+        int result;
+        QString createSql =
+            QString("CREATE TABLE Mission(\
+                id INT PRIMARY KEY NOT NULL,\
+                name TEXT NOT NULL,\
+                type INT NOT NULL)");
+        QSqlQuery query;
+        if(!query.exec(createSql))
+        {
+            qDebug() << "Error: Fail to create table." << query.lastError();
+            result = 0;
+        }
+        else
+        {
+            qDebug() << "Table created!";
+            result = 1;
+        }
+        return result;
+    }
+
+    int sqlite::createRobortTable()
+    {
+        int result;
+        QString createSql =
+            QString("CREATE TABLE Robort(\
+                id INT PRIMARY KEY NOT NULL,\
+                name TEXT NOT NULL,\
+                type INT NOT NULL,\
+                ip TEXT NOT NULL,\
+                mission TEXT NOT NULL)");
+        QSqlQuery query;
+        if(!query.exec(createSql))
+        {
+            qDebug() << "Error: Fail to create table." << query.lastError();
+            result = 0;
+        }
+        else
+        {
+            qDebug() << "Table created!";
+            result = 1;
+        }
+        return result;
+
+    }
+
+    int sqlite::addMission(std::string name, int type)
+    {
+        //获得Mission表最大id
+        QSqlQuery id_query;
+        QString select_max_sql = QString("select max(id) from Mission");
+        int max_id = 0;
+        id_query.prepare(select_max_sql);
+        if (!id_query.exec())
+        {
+            qDebug() << "max_id error:"<<id_query.lastError();
+        }
+        else
+        {
+            while (id_query.next())
+            {
+                max_id = id_query.value(0).toInt();
+                qDebug()<<"max_id:"<<max_id;
+            }
+        }
+
+        //插入Mission
+        int key;
+        QString insertSql = "insert into Mission values (?, ?, ?)";
+        QSqlQuery query;
+        
+        QVariant NAME;
+        NAME = QString::fromStdString(name);
+
+        query.prepare(insertSql);
+        query.addBindValue(max_id+1);
+        query.addBindValue(NAME);
+        query.addBindValue(type);
+
+        if(!query.exec())
+        {
+            qDebug() << "inserted failed: "<< query.lastError();
+            key=-1;
+        }
+        else
+        {
+            qDebug() << "inserted succeed";
+        }
+        return key;
+
+    }
+
+    int sqlite::addRobort(std::string name, int type, std::string ip, std::string mission )
+    {
+
+        QVariant NAME;
+        NAME = QString::fromStdString(name);
+
+        QVariant IP;
+        IP = QString::fromStdString(ip);   
+
+        QVariant MISSION;
+        MISSION = QString::fromStdString(mission);   
+
+        //获得Robort表最大id
+        QSqlQuery id_query;
+        QString select_max_sql = QString("select max(id) from Robort");
+        int max_id = 0;
+        id_query.prepare(select_max_sql);
+        if (!id_query.exec())
+        {
+            qDebug() << id_query.lastError();
+        }
+        else
+        {
+            while (id_query.next())
+            {
+                max_id = id_query.value(0).toInt();
+                qDebug()<<max_id;
+            }
+        }
+
+        //更新Robort表
+        QSqlQuery insert_query;
+        QString insertSql = "insert into Robort values (?, ?, ?, ?, ?)";
+        insert_query.prepare(insertSql);
+        insert_query.addBindValue(max_id+1);
+        insert_query.addBindValue(NAME);
+        insert_query.addBindValue(type);
+        insert_query.addBindValue(IP);
+        insert_query.addBindValue(MISSION);
+
+        if(!insert_query.exec())
+        {
+            qDebug() << insert_query.lastError();
+        }
+        else
+        {
+            qDebug() << "inserted succeed";
+        }
+        return 0;
+
+    }
+
+    int sqlite::modifyMission()
+    {
+        return 0;
+    }
+
+    int sqlite::modifyRobort()
+    {
+        return 0;
+    }
+
+    int sqlite::deleteMission()
+    {
+        return 0;
+    }
+
+    int sqlite::deleteRobort(std::string name, int type, std::string ip, std::string mission )
+    {
+      QString NAME;
+      NAME = QString::fromStdString(name);
+
+      QVariant IP;
+      IP = QString::fromStdString(ip);
+
+      QVariant MISSION;
+      MISSION = QString::fromStdString(mission);
+
+
+      //更新Mission表
+      QSqlQuery updata_query;
+      QString updateSql = QString("delete from Robort where name='%1'").arg(NAME);
+      qDebug()<<updateSql;
+      updata_query.prepare(updateSql);
+
+
+      if(!updata_query.exec())
+      {
+          qDebug() << updata_query.lastError();
+      }
+      else
+      {
+          qDebug() << "delete!!";
+      }
+    }
+
+    std::vector<std::string> sqlite::traverseMission()
+    {
+        std::vector<std::string> missionlist;
+        QSqlQuery mission_query;
+        QString select_max_sql = QString("select name from Mission");
+        int max_id = 0;
+        mission_query.prepare(select_max_sql);
+        if (!mission_query.exec())
+        {
+            qDebug() << "Mission name error:"<<mission_query.lastError();
+        }
+        else
+        {
+            while (mission_query.next())
+            {
+                QString NAME = mission_query.value(0).toString();
+                std::string name = NAME.toStdString();
+                missionlist.push_back(name);
+                qDebug() << NAME;
+            }
+        }
+        return missionlist;
+    }
+
+    int queryMissionID(std::string name)
+    {
+        QString select_sql = "select id, name from Mission";
+        QSqlQuery query;
+        if(!query.exec(select_sql))
+        {
+            qDebug()<<query.lastError();
+        }
+        else
+        {
+            while(query.next())
+            {
+                int ID = query.value(0).toInt();
+                QString NAME = query.value(1).toString();
+
+                if(name == NAME.toStdString())
+                {
+                    return ID;
+                }
+                //qDebug()<<QString("id:%1    name:%2").arg(id).arg(name);
+            }
+            qDebug()<<QString("not found name");
+        }
+        return 0;
+
+    }
+
+    int queryMissionTYPE(std::string name)
+    {
+        QString select_sql = "select name, type from Mission";
+        QSqlQuery query;
+        if(!query.exec(select_sql))
+        {
+            qDebug()<<query.lastError();
+        }
+        else
+        {
+            while(query.next())
+            {
+                QString NAME = query.value(0).toString();
+                int TYPE = query.value(1).toInt();
+
+                if(name == NAME.toStdString())
+                {
+                    return TYPE;
+                }
+                //qDebug()<<QString("id:%1    name:%2").arg(id).arg(name);
+            }
+            qDebug()<<QString("not found name");
+        }
+        return 0;
+
+    }
+
+
+
+
+
+
+
+    int test = 1; 
+}