diff --git a/applications/emsConfigurer/emsConfigurer.pro b/applications/emsConfigurer/emsConfigurer.pro
index 1b92ed0..31ce512 100644
--- a/applications/emsConfigurer/emsConfigurer.pro
+++ b/applications/emsConfigurer/emsConfigurer.pro
@@ -97,7 +97,10 @@ HEADERS += \
     mysqlutils.h \
     mytablemodel.h \
     singleton.h \
-    ziputils.h
+    ziputils.h \
+    hv_tcpclient.h \
+    kdefine.h \
+    frame_define.h
 
 FORMS += \
     formserialportsettingdialog.ui \
diff --git a/applications/emsConfigurer/frame_define.h b/applications/emsConfigurer/frame_define.h
new file mode 100644
index 0000000..bf26eed
--- /dev/null
+++ b/applications/emsConfigurer/frame_define.h
@@ -0,0 +1,55 @@
+#pragma once
+#pragma pack(1)
+
+#include "kdefine.h"
+
+__NAMESPACE_BEGIN__(HJ)
+
+#define FRAME_HEADER_LENGTH (5)
+#define FRAME_TAILE_LENGTH (4)
+
+typedef enum tagErrorCode : unsigned char
+{
+	ERR_OK = 0X00,
+	ERR_INVALID_LEN = 0X01,
+	ERR_INVALID_UTF8 = 0X02,
+	ERR_INVALID_BUF_LEN = 0X03,
+	ERR_INVALID_JSON_FMT = 0X04,
+	ERR_INVALID_FSUCODE = 0X05,
+	ERR_UNKOWN = 0XFF
+}ErrorCode;
+
+typedef enum tagFrameType : unsigned char
+{
+	Frame_Response = 0x00, //返回帧
+	Frame_Request = 0x01,  //请求帧
+	Frame_Echo_Request = 0x02, //测试请求帧
+	Frame_DeviceData_Request = 0x03, //来自采集程序的数据请求包，将数据保存到数据库中
+}FrameType;
+
+typedef struct tagFrameTail
+{
+	unsigned char frame_delimiter[4] = { 0xEE,0xFF,0xEE,0xFF };
+}FrameTail;
+
+typedef struct tagFrame
+{
+	FrameType frame_type;					//帧类型
+	unsigned int frame_len;					//帧数据长度
+	unsigned char frame_content[1];					//帧的内容，实际应为json字符串，由json内容自解释
+	tagFrame()
+	{
+		frame_type = Frame_Response;
+		frame_len = 1;
+		frame_content[0] = ERR_OK;
+	}
+	void setErrorFrame(ErrorCode err = ERR_OK)
+	{
+		frame_len = 1;
+		frame_content[0] = err;
+	}
+}MessageFrame;
+
+__NAMESPACE_END__(HJ)
+
+#pragma pack()
\ No newline at end of file
diff --git a/applications/emsConfigurer/globalparameters.cpp b/applications/emsConfigurer/globalparameters.cpp
index b7ad80c..fd129d2 100644
--- a/applications/emsConfigurer/globalparameters.cpp
+++ b/applications/emsConfigurer/globalparameters.cpp
@@ -7,8 +7,11 @@
 #include <QApplication>
 #include <QCursor>
 
+#include <hv/hlog.h>
+
 #include "globalparameters.h"
 #include "mytablemodel.h"
+#include "kutilities.h"
 
 AppData::~AppData()
 {
@@ -67,7 +70,8 @@ void AppCommon::InitializeTableView(MyTableModel *model, QTableView *tableView)
     pHeaderView->setFont(QFont("Arial", 12));
 
     // 璁剧疆琛ㄥご鍒楀鑷姩璋冩暣
-    for (int i = 0; i < model->columnCount(); ++i) {
+    for (int i = 0; i < model->columnCount(); ++i)
+    {
         pHeaderView->setSectionResizeMode(i, QHeaderView::Stretch);
     }
 
@@ -112,3 +116,69 @@ CWaitorCursor::~CWaitorCursor()
 {
     QApplication::restoreOverrideCursor();
 }
+
+///////////////////////////////////////////////////
+/// \brief AppTcpClient
+///
+///
+
+AppTcpClient::~AppTcpClient()
+{
+    if (m_tcpclient)
+    {
+        m_tcpclient->stop();
+        delete m_tcpclient;
+    }
+}
+
+AppTcpClient::AppTcpClient(token)
+    :m_tcpclient(nullptr), m_connfd(0)
+{
+}
+
+void onMessage(const hv::SocketChannelPtr& channel, hv::Buffer* buf);
+
+
+int AppTcpClient::Initialize(QString remote_host, int remote_port)
+{
+    using namespace hv;
+    
+    if (!m_tcpclient || !m_tcpclient->isConnected())
+    {
+        if (m_tcpclient)
+        {
+            m_tcpclient->stop();
+            delete m_tcpclient;
+        }
+
+        m_tcpclient = new hv::TcpClient();
+        m_connfd = m_tcpclient->createsocket(remote_port, remote_host.toStdString().c_str());
+        if (m_connfd < 0)
+        {
+            return -20;
+        }
+
+        m_tcpclient->onMessage = onMessage;
+
+        //m_tcpclient.onMessage = [](const SocketChannelPtr& channel, Buffer* buf)
+        //{
+        //    hlogi("<==\n%s", Kutilities::printHex((void*)buf->data(),(int)buf->size()).c_str());
+        //};
+
+        reconn_setting_t reconn;
+        reconn_setting_init(&reconn);
+        reconn.min_delay = 1000;
+        reconn.max_delay = 10000;
+        reconn.delay_policy = 2;
+        //reconn.max_retry_cnt = 50;
+        m_tcpclient->setReconnect(&reconn);
+
+        m_tcpclient->start();
+    }
+    return m_connfd;
+}
+
+void onMessage(const hv::SocketChannelPtr& channel, hv::Buffer* buf)
+{
+    hlogi("<==\n%s", Kutilities::printHex((void*)buf->data(),(int)buf->size()).c_str());
+}
diff --git a/applications/emsConfigurer/globalparameters.h b/applications/emsConfigurer/globalparameters.h
index 571c223..595ca85 100644
--- a/applications/emsConfigurer/globalparameters.h
+++ b/applications/emsConfigurer/globalparameters.h
@@ -5,6 +5,9 @@
 #include <QStringList>
 
 #include "singleton.h"
+#include "hv_tcpclient.h"
+
+#define DEVICE_SERVER_PORT (44242)
 
 class QAbstractTableModel;
 class QTableView;
@@ -131,4 +134,21 @@ public:
     void InitializeTableView(MyTableModel* model,QTableView* tableView);
 };
 
+
+class AppTcpClient:public Singleton<AppTcpClient>
+{
+public:
+    AppTcpClient(token);
+    ~AppTcpClient();
+
+    AppTcpClient(const AppTcpClient&)=delete;
+    AppTcpClient& operator =(const AppTcpClient&)= delete;
+
+    int Initialize(QString remote_host, int remote_port=DEVICE_SERVER_PORT);
+
+public:
+    hv::TcpClient* m_tcpclient;
+    int m_connfd;
+};
+
 #endif // GLOBALPARAMETERS_H
diff --git a/applications/emsConfigurer/hv_tcpclient.h b/applications/emsConfigurer/hv_tcpclient.h
new file mode 100644
index 0000000..3d8fabd
--- /dev/null
+++ b/applications/emsConfigurer/hv_tcpclient.h
@@ -0,0 +1,376 @@
+#ifndef HV_TCP_CLIENT_HPP_
+#define HV_TCP_CLIENT_HPP_
+
+#include <hv/hsocket.h>
+#include <hv/hssl.h>
+#include <hv/hlog.h>
+
+#include <hv/EventLoopThread.h>
+#include <hv/Channel.h>
+
+namespace hv
+{
+
+template<class TSocketChannel = SocketChannel>
+class TcpClientEventLoopTmpl
+{
+public:
+    typedef std::shared_ptr<TSocketChannel> TSocketChannelPtr;
+
+    TcpClientEventLoopTmpl(EventLoopPtr loop = NULL)
+    {
+        loop_ = loop ? loop : std::make_shared<EventLoop>();
+        remote_port = 0;
+        connect_timeout = HIO_DEFAULT_CONNECT_TIMEOUT;
+        tls = false;
+        tls_setting = NULL;
+        reconn_setting = NULL;
+        unpack_setting = NULL;
+    }
+
+    virtual ~TcpClientEventLoopTmpl()
+    {
+        HV_FREE(tls_setting);
+        HV_FREE(reconn_setting);
+        HV_FREE(unpack_setting);
+    }
+
+    const EventLoopPtr& loop()
+    {
+        return loop_;
+    }
+
+    // delete thread-safe
+    void deleteInLoop()
+    {
+        loop_->runInLoop([this]()
+        {
+            delete this;
+        });
+    }
+
+    // NOTE: By default, not bind local port. If necessary, you can call bind() after createsocket().
+    // @retval >=0 connfd, <0 error
+    int createsocket(int remote_port, const char* remote_host = "127.0.0.1")
+    {
+        memset(&remote_addr, 0, sizeof(remote_addr));
+        int ret = sockaddr_set_ipport(&remote_addr, remote_host, remote_port);
+        if (ret != 0)
+        {
+            return NABS(ret);
+        }
+        this->remote_host = remote_host;
+        this->remote_port = remote_port;
+        return createsocket(&remote_addr.sa);
+    }
+
+    int createsocket(struct sockaddr* remote_addr)
+    {
+        int connfd = ::socket(remote_addr->sa_family, SOCK_STREAM, 0);
+        // SOCKADDR_PRINT(remote_addr);
+        if (connfd < 0)
+        {
+            perror("socket");
+            return -2;
+        }
+
+        hio_t* io = hio_get(loop_->loop(), connfd);
+        assert(io != NULL);
+        hio_set_peeraddr(io, remote_addr, SOCKADDR_LEN(remote_addr));
+        channel = std::make_shared<TSocketChannel>(io);
+        return connfd;
+    }
+
+    int bind(int local_port, const char* local_host = "0.0.0.0")
+    {
+        sockaddr_u local_addr;
+        memset(&local_addr, 0, sizeof(local_addr));
+        int ret = sockaddr_set_ipport(&local_addr, local_host, local_port);
+        if (ret != 0)
+        {
+            return NABS(ret);
+        }
+        return bind(&local_addr.sa);
+    }
+
+    int bind(struct sockaddr* local_addr)
+    {
+        if (channel == NULL || channel->isClosed())
+        {
+            return -1;
+        }
+        int ret = ::bind(channel->fd(), local_addr, SOCKADDR_LEN(local_addr));
+        if (ret != 0)
+        {
+            perror("bind");
+        }
+        return ret;
+    }
+
+    // closesocket thread-safe
+    void closesocket()
+    {
+        if (channel && channel->status != SocketChannel::CLOSED)
+        {
+            loop_->runInLoop([this]()
+            {
+                if (channel)
+                {
+                    setReconnect(NULL);
+                    channel->close();
+                }
+            });
+        }
+    }
+
+    int startConnect()
+    {
+        if (channel == NULL || channel->isClosed())
+        {
+            int connfd = createsocket(&remote_addr.sa);
+            if (connfd < 0)
+            {
+                hloge("createsocket %s:%d return %d!\n", remote_host.c_str(), remote_port, connfd);
+                return connfd;
+            }
+        }
+        if (channel == NULL || channel->status >= SocketChannel::CONNECTING)
+        {
+            return -1;
+        }
+        if (connect_timeout)
+        {
+            channel->setConnectTimeout(connect_timeout);
+        }
+        if (tls)
+        {
+            channel->enableSSL();
+            if (tls_setting)
+            {
+                int ret = channel->newSslCtx(tls_setting);
+                if (ret != 0)
+                {
+                    hloge("new SSL_CTX failed: %d", ret);
+                    closesocket();
+                    return ret;
+                }
+            }
+            if (!is_ipaddr(remote_host.c_str()))
+            {
+                channel->setHostname(remote_host);
+            }
+        }
+        channel->onconnect = [this]()
+        {
+            if (unpack_setting)
+            {
+                channel->setUnpack(unpack_setting);
+            }
+            channel->startRead();
+            if (onConnection)
+            {
+                onConnection(channel);
+            }
+            if (reconn_setting)
+            {
+                reconn_setting_reset(reconn_setting);
+            }
+        };
+        channel->onread = [this](Buffer* buf)
+        {
+            if (onMessage)
+            {
+                onMessage(channel, buf);
+            }
+        };
+        channel->onwrite = [this](Buffer* buf)
+        {
+            if (onWriteComplete)
+            {
+                onWriteComplete(channel, buf);
+            }
+        };
+        channel->onclose = [this]()
+        {
+            bool reconnect = reconn_setting != NULL;
+            if (onConnection)
+            {
+                onConnection(channel);
+            }
+            if (reconnect)
+            {
+                startReconnect();
+            }
+        };
+        return channel->startConnect();
+    }
+
+    int startReconnect()
+    {
+        if (!reconn_setting) return -1;
+        if (!reconn_setting_can_retry(reconn_setting)) return -2;
+        uint32_t delay = reconn_setting_calc_delay(reconn_setting);
+        hlogi("reconnect... cnt=%d, delay=%d", reconn_setting->cur_retry_cnt, reconn_setting->cur_delay);
+        loop_->setTimeout(delay, [this](TimerID timerID)
+        {
+            startConnect();
+        });
+        return 0;
+    }
+
+    // start thread-safe
+    void start()
+    {
+        loop_->runInLoop(std::bind(&TcpClientEventLoopTmpl::startConnect, this));
+    }
+
+    bool isConnected()
+    {
+        if (channel == NULL) return false;
+        return channel->isConnected();
+    }
+
+    // send thread-safe
+    int send(const void* data, int size)
+    {
+        if (!isConnected()) return -1;
+        return channel->write(data, size);
+    }
+    int send(Buffer* buf)
+    {
+        return send(buf->data(), buf->size());
+    }
+    int send(const std::string& str)
+    {
+        return send(str.data(), str.size());
+    }
+
+    int withTLS(hssl_ctx_opt_t* opt = NULL)
+    {
+        tls = true;
+        if (opt)
+        {
+            if (tls_setting == NULL)
+            {
+                HV_ALLOC_SIZEOF(tls_setting);
+            }
+            opt->endpoint = HSSL_CLIENT;
+            *tls_setting = *opt;
+        }
+        return 0;
+    }
+
+    void setConnectTimeout(int ms)
+    {
+        connect_timeout = ms;
+    }
+
+    void setReconnect(reconn_setting_t* setting)
+    {
+        if (setting == NULL)
+        {
+            HV_FREE(reconn_setting);
+            return;
+        }
+        if (reconn_setting == NULL)
+        {
+            HV_ALLOC_SIZEOF(reconn_setting);
+        }
+        *reconn_setting = *setting;
+    }
+    bool isReconnect()
+    {
+        return reconn_setting && reconn_setting->cur_retry_cnt > 0;
+    }
+
+    void setUnpack(unpack_setting_t* setting)
+    {
+        if (setting == NULL)
+        {
+            HV_FREE(unpack_setting);
+            return;
+        }
+        if (unpack_setting == NULL)
+        {
+            HV_ALLOC_SIZEOF(unpack_setting);
+        }
+        *unpack_setting = *setting;
+    }
+
+public:
+    TSocketChannelPtr       channel;
+
+    std::string             remote_host;
+    int                     remote_port;
+    sockaddr_u              remote_addr;
+    int                     connect_timeout;
+    bool                    tls;
+    hssl_ctx_opt_t*         tls_setting;
+    reconn_setting_t*       reconn_setting;
+    unpack_setting_t*       unpack_setting;
+
+    // Callback
+    std::function<void(const TSocketChannelPtr&)>           onConnection;
+    std::function<void(const TSocketChannelPtr&, Buffer*)>  onMessage;
+    // NOTE: Use Channel::isWriteComplete in onWriteComplete callback to determine whether all data has been written.
+    std::function<void(const TSocketChannelPtr&, Buffer*)>  onWriteComplete;
+
+private:
+    EventLoopPtr            loop_;
+};
+
+template<class TSocketChannel = SocketChannel>
+class TcpClientTmpl : private EventLoopThread, public TcpClientEventLoopTmpl<TSocketChannel>
+{
+public:
+    TcpClientTmpl(EventLoopPtr loop = NULL)
+        : EventLoopThread(loop)
+        , TcpClientEventLoopTmpl<TSocketChannel>(EventLoopThread::loop())
+        , is_loop_owner(loop == NULL)
+    {}
+    virtual ~TcpClientTmpl()
+    {
+        stop(true);
+    }
+
+    const EventLoopPtr& loop()
+    {
+        return EventLoopThread::loop();
+    }
+
+    // start thread-safe
+    void start(bool wait_threads_started = true)
+    {
+        if (isRunning())
+        {
+            TcpClientEventLoopTmpl<TSocketChannel>::start();
+        }
+        else
+        {
+            EventLoopThread::start(wait_threads_started, [this]()
+            {
+                TcpClientTmpl::startConnect();
+                return 0;
+            });
+        }
+    }
+
+    // stop thread-safe
+    void stop(bool wait_threads_stopped = true)
+    {
+        TcpClientEventLoopTmpl<TSocketChannel>::closesocket();
+        if (is_loop_owner)
+        {
+            EventLoopThread::stop(wait_threads_stopped);
+        }
+    }
+
+private:
+    bool is_loop_owner;
+};
+
+typedef TcpClientTmpl<SocketChannel> TcpClient;
+
+}
+
+#endif // HV_TCP_CLIENT_HPP_
diff --git a/applications/emsConfigurer/kdefine.h b/applications/emsConfigurer/kdefine.h
new file mode 100644
index 0000000..5ab3434
--- /dev/null
+++ b/applications/emsConfigurer/kdefine.h
@@ -0,0 +1,41 @@
+#ifndef __KDEFINE_INCLUDE__
+#define __KDEFINE_INCLUDE__
+
+#define K22_STR_EXP(__A)  #__A
+#define K22_STR(__A)      K22_STR_EXP(__A)
+#define K22_STRW_EXP(__A)  L ## #__A
+#define K22_STRW(__A)      K22_STRW_EXP(__A)
+
+#define K22_CMS_VERSION_MAJOR           1
+#define K22_CMS_VERSION_MINOR           215
+#define K22_CMS_VERSION_REVISION        0
+#define K22_VERSION                 K22_STR(K22_CMS_VERSION_MAJOR) "." K22_STR(K22_CMS_VERSION_MINOR) "." K22_STR(K22_CMS_VERSION_REVISION) ""
+
+#ifdef __cplusplus
+
+#   ifndef EXTERN_C
+#       define EXTERN_C            extern "C"
+#   endif
+
+#   ifndef BEGIN_EXTERN_C
+#       define BEGIN_EXTERN_C      extern "C" {
+#   endif
+
+#   ifndef END_EXTERN_C
+#       define END_EXTERN_C        } // extern "C"
+#   endif
+
+#else
+
+#   define EXTERN_C    extern
+#   define BEGIN_EXTERN_C
+#   define END_EXTERN_C
+
+#endif // __cplusplus
+
+#define __NAMESPACE_BEGIN__(X) namespace X {
+#define __NAMESPACE_END__(X) }
+#define __USING_NAMESPACE__(X)  using namespace X
+#define __USING_NAMESPACE_HJ__	using namespace HJ
+
+#endif //__KDEFINE_INCLUDE__
diff --git a/applications/emsConfigurer/main.cpp b/applications/emsConfigurer/main.cpp
index 5937f83..7ee9029 100644
--- a/applications/emsConfigurer/main.cpp
+++ b/applications/emsConfigurer/main.cpp
@@ -38,6 +38,8 @@ int main(int argc, char *argv[])
     std::string logFilePath = (appDir + QString::fromStdString("/emsConfigurer.log")).toStdString();
 
     hlog_set_file(logFilePath.c_str());
+    hlog_set_level_by_str("DEBUG");
+
     hlogi("=========--- Welcome to the Earth ---=========");
     hlogi("%s version: %s", argv[0], "1.1.0");
     hlog_fsync();
diff --git a/applications/emsConfigurer/mainwindow.cpp b/applications/emsConfigurer/mainwindow.cpp
index 403faf4..a7c5100 100644
--- a/applications/emsConfigurer/mainwindow.cpp
+++ b/applications/emsConfigurer/mainwindow.cpp
@@ -9,6 +9,7 @@
 #include "MainDialog.h"
 #include "mysqlutils.h"
 
+
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
     , ui(new Ui::MainWindow)
@@ -28,8 +29,8 @@ MainWindow::MainWindow(QWidget *parent)
     QRegularExpression rx("^((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)$");
     QRegularExpressionValidator* ipValidator = new QRegularExpressionValidator(rx, this);
     ui->serverIp->setValidator(ipValidator);
-    //setIp("127.0.0.1");
-    setIp("192.168.0.155");
+    setIp("127.0.0.1");
+    //setIp("192.168.0.155");
 }
 
 MainWindow::~MainWindow()
@@ -55,6 +56,7 @@ bool MainWindow::testDatabase()
     int dbport = 3306;
     std::string dbuser = "root";
     std::string dbpasswd = "Hj57471000";
+    //std::string dbpasswd = "L2ysc1s1kr";
     std::string dbname = "hjems";
     bool dbok = MysqlUtils::getInstance()->OpenDatabase(dbserver,dbport,dbuser,dbpasswd,dbname);
     if (!dbok)
@@ -67,9 +69,31 @@ bool MainWindow::testDatabase()
     return true;
 }
 
+bool MainWindow::testServerEcho()
+{
+    using namespace hv;
+
+    QString svr = ui->serverIp->text();
+
+    int connfd = AppTcpClient::getInstance()->Initialize("127.0.0.1",DEVICE_SERVER_PORT);
+    if (connfd <= 0)
+    {
+        hloge("failed to connect to device data service ...");
+        return false;
+    }
+
+    hlogi("connect to device data service port %d, connfd=%d ...", DEVICE_SERVER_PORT, connfd);
+
+    unsigned char frame[10] = { 0x02, 0x01,0x00,0x00,0x00, 0x00,0xEE,0xFF,0xEE,0xFF};
+    int cnt = AppTcpClient::getInstance()->m_tcpclient->send((void*)frame,10);
+    hlogd("send %d bytes, connfd=%d ...", cnt, connfd);
+
+    return cnt > 0 ? true : false;
+}
+
 void MainWindow::on_pb_Logon_clicked()
 {
-    if (testDatabase())
+    if (testDatabase() && testServerEcho())
     {
         m_pMainDialog = new MainDialog();
         m_pMainDialog->show();
@@ -85,8 +109,14 @@ void MainWindow::on_pb_Logon_clicked()
 void MainWindow::on_pb_Test_clicked()
 {
     if (testDatabase())
-        QMessageBox::information(this, tr("Successfully"),tr("Connect to device successfully!"));
+        QMessageBox::information(this, tr("Successfully"),tr("Connect to device database successfully!"));
     else
-        QMessageBox::critical(this, tr("Critical Message"),tr("Failed to connect to device!"));
+        QMessageBox::critical(this, tr("Critical Message"),tr("Failed to connect to device database!"));
+
+    //娴嬭瘯涓庤澶囩鎺ユ敹鏈嶅姟鐨勮繛鎺�
+    if (testServerEcho())
+        QMessageBox::information(this, tr("Successfully"),tr("Connect to device data service successfully!"));
+    else
+        QMessageBox::critical(this, tr("Critical Message"),tr("Failed to connect to device data service!"));
 }
 
diff --git a/applications/emsConfigurer/mainwindow.h b/applications/emsConfigurer/mainwindow.h
index ebda528..97a2d4b 100644
--- a/applications/emsConfigurer/mainwindow.h
+++ b/applications/emsConfigurer/mainwindow.h
@@ -24,6 +24,7 @@ public:
 protected:
     void setIp(const QString &ip);
     bool testDatabase();
+    bool testServerEcho(); //娴嬭瘯鍚庣鏈嶅姟鍣ㄥ搷搴�
 
 private slots:
     void on_pb_Logon_clicked();