diff --git a/src/NetControl.cpp b/src/NetControl.cpp
index 0bc52cd..4438b38 100644
--- a/src/NetControl.cpp
+++ b/src/NetControl.cpp
@@ -8,19 +8,11 @@ NetControl::NetControl(const QString& configPath, bool bAutoReconnect /* = false
 {
 	qRegisterMetaType<QAbstractSocket::SocketError>("QAbstractSocket::SocketError");
 	initIpAddress(m_configPath);
-	m_pTimerHeartbeat = new QTimer(this);
-	connect(m_pTimerHeartbeat, &QTimer::timeout, this, &NetControl::sendHeartbeatPack);
-	m_pTcpSocket = new QTcpSocket(this);
-	connect(m_pTcpSocket, SIGNAL(connected()), this, SLOT(onConnected()));
-	connect(m_pTcpSocket, SIGNAL(error(QAbstractSocket::SocketError)),
-		this, SLOT(onErrorHandler(QAbstractSocket::SocketError)));
-	connect(m_pTcpSocket, SIGNAL(readyRead()), this, SLOT(onMsgReceived()));
-	connect(m_pTcpSocket, SIGNAL(disconnected()), this, SLOT(onDisconnected()));
-	connectNet(m_szHostIp, m_port);
 }
 
 NetControl::~NetControl()
 {
+	qDebug() << "delete netControl";
 	if (m_pTimerHeartbeat)
 	{
 		m_pTimerHeartbeat->stop();
@@ -34,6 +26,7 @@ NetControl::~NetControl()
 		m_pTcpSocket->deleteLater();
 		m_pTcpSocket = nullptr;
 	}
+	qDebug() << "delete netControl finished";
 }
 
 bool NetControl::initIpAddress(const QString& path)
@@ -74,6 +67,19 @@ bool NetControl::initIpAddress(const QString& path)
 	return true;
 }
 
+Q_SLOT void NetControl::onInitNet()
+{
+	m_pTimerHeartbeat = new QTimer(this);
+	connect(m_pTimerHeartbeat, &QTimer::timeout, this, &NetControl::sendHeartbeatPack);
+	m_pTcpSocket = new QTcpSocket(this);
+	connect(m_pTcpSocket, SIGNAL(connected()), this, SLOT(onConnected()));
+	connect(m_pTcpSocket, SIGNAL(error(QAbstractSocket::SocketError)),
+		this, SLOT(onErrorHandler(QAbstractSocket::SocketError)));
+	connect(m_pTcpSocket, SIGNAL(readyRead()), this, SLOT(onMsgReceived()));
+	connect(m_pTcpSocket, SIGNAL(disconnected()), this, SLOT(onDisconnected()));
+	connectNet(m_szHostIp, m_port);
+}
+
 void NetControl::connectNet(QString severIp, int serverPort)
 {
 	m_pTcpSocket->connectToHost(severIp, serverPort);
diff --git a/src/NetControl.h b/src/NetControl.h
index e6e6171..bdd37f1 100644
--- a/src/NetControl.h
+++ b/src/NetControl.h
@@ -24,6 +24,7 @@ public:
 	~NetControl();
 public:
 	//void deCodeMsg(QString recInfo);
+	Q_SLOT void onInitNet();
 	void waitForConnected(int msec);
 	Q_SLOT void onSendMsg(const QString& msg);
 
diff --git a/src/SmokeBoxIdentification.cpp b/src/SmokeBoxIdentification.cpp
index b080680..a9d55d7 100644
--- a/src/SmokeBoxIdentification.cpp
+++ b/src/SmokeBoxIdentification.cpp
@@ -37,9 +37,13 @@ SmokeBoxIdentification::SmokeBoxIdentification(QWidget *parent)
 		m_pNumTemplateBuild->setDataProcessObj(m_pDataProcess);
 	}
 	QString filePath = applicationDirPath + NET_CONFIG;
-	m_pNetControl = new NetControl(filePath, true);
+	m_pNetControl = new NetControl(filePath, true, this);
 	m_pTcpClientThread = new QThread();
 	m_pNetControl->moveToThread(m_pTcpClientThread);
+	connect(m_pTcpClientThread, &QThread::started,
+		m_pNetControl, &NetControl::onInitNet);
+	connect(m_pTcpClientThread, &QThread::finished,
+		this, &QObject::deleteLater);
 	m_pTcpClientThread->start();
 	connect(m_pNetControl, &NetControl::sgReceiveData, this, &SmokeBoxIdentification::onDecodeMsg, Qt::QueuedConnection);
 	connect(this, &SmokeBoxIdentification::sgSendMsg, m_pNetControl, &NetControl::onSendMsg, Qt::QueuedConnection);
@@ -80,8 +84,8 @@ SmokeBoxIdentification::SmokeBoxIdentification(QWidget *parent)
 SmokeBoxIdentification::~SmokeBoxIdentification()
 {
 	emit sgControlSideLight(lightCtrl::emTurnOffLight);
-	DELETE_POINTER(m_pNetControl);
 	DELETE_POINTER(m_pCategoryMatcher);
+	DELETE_POINTER(m_pNetControl);
 	if (m_pTcpClientThread)
 	{
 		m_pTcpClientThread->quit();