diff --git a/ZoomPipeline_FuncSvr/network/zp_net_threadpool.cpp b/ZoomPipeline_FuncSvr/network/zp_net_threadpool.cpp
index c6edb37dc89e34a373bdbbf91cc9df01614c4e09..b7c2fa433df9c591658f2651a8b55e650f85b027 100644
--- a/ZoomPipeline_FuncSvr/network/zp_net_threadpool.cpp
+++ b/ZoomPipeline_FuncSvr/network/zp_net_threadpool.cpp
@@ -222,7 +222,7 @@ void zp_net_ThreadPool::SendDataToClient(QObject * objClient,const QByteArray &
     emit evt_SendDataToClient(objClient,dtarray);
 }
 
-//向客户端广播数据，不包括 objFromClient
+
 void zp_net_ThreadPool::BroadcastData(QObject * objFromClient,const QByteArray &  dtarray)
 {
     emit evt_BroadcastData(objFromClient,dtarray);
diff --git a/ZoomPipeline_FuncSvr/network/zp_nettransthread.cpp b/ZoomPipeline_FuncSvr/network/zp_nettransthread.cpp
index c58c97b58e801866505684d8bc72703533606628..8e0ca185afbca9d786b23c317753dfcf05e9b1d9 100644
--- a/ZoomPipeline_FuncSvr/network/zp_nettransthread.cpp
+++ b/ZoomPipeline_FuncSvr/network/zp_nettransthread.cpp
@@ -43,7 +43,6 @@ void zp_netTransThread::SetPayload(int nPayload)
     m_nPayLoad = nPayload;
     assert(m_nPayLoad>=256 && m_nPayLoad<=16*1024*1024);
 }
-//新的客户连接到来
 
 void zp_netTransThread::incomingConnection(QObject * threadid,qintptr socketDescriptor)
 {
@@ -56,6 +55,7 @@ void zp_netTransThread::incomingConnection(QObject * threadid,qintptr socketDesc
         sock_client =  new QTcpSocket(this);
     if (sock_client)
     {
+        //Initial content
         if (true ==sock_client->setSocketDescriptor(socketDescriptor))
         {
             connect(sock_client, SIGNAL(readyRead()),this, SLOT(new_data_recieved()));
diff --git a/ZoomPipeline_FuncSvr/network/zp_nettransthread.h b/ZoomPipeline_FuncSvr/network/zp_nettransthread.h
index b75deb3894f582edf521a6b7a31b28f797ed7fcf..ed18ac6dd99a105a7a75bb190a425f846a98a217 100644
--- a/ZoomPipeline_FuncSvr/network/zp_nettransthread.h
+++ b/ZoomPipeline_FuncSvr/network/zp_nettransthread.h
@@ -26,46 +26,41 @@ public:
 private:
     bool m_bActivated;
     bool m_bSSLConnection;
+    //sending buffer, hold byteArraies.
     QMap<QObject *,QList<QByteArray> > m_buffer_sending;
+
     QMap<QObject *,QList<qint64> > m_buffer_sending_offset;
     QMap<QObject*,int> m_clientList;
     int m_nPayLoad;
     QMutex m_mutex_protect;
     zp_net_ThreadPool * m_pThreadPool;
 public slots:
-    //新的客户连接到来
+    //This slot dealing with multi-thread client socket accept.
     void incomingConnection(QObject * threadid,qintptr socketDescriptor);
-    //向客户端发送数据
+    //sending dtarray to objClient. dtarray will be pushed into m_buffer_sending
     void SendDataToClient(QObject * objClient,const QByteArray &  dtarray);
-    //向客户端广播数据，不包括 objFromClient
+    //Broadcast dtarray to every client except objFromClient itself
     void BroadcastData(QObject * objFromClient,const QByteArray &  dtarray);
-    //让本线程不再接受新的连接
+    //Set terminate mark, the thread will quit after last client quit.
     void Deactivate(){m_bActivated = true;}
-    //立刻终止本线程的所有连接
+    //terminate this thread immediately
     void DeactivateImmediately(zp_netTransThread *);
-    //踢出所有客户
+    //Kick all clients .
     void KickAllClients(zp_netTransThread *);
 protected slots:
-    //客户连接被关闭
+    //when client closed, this slot will be activated.
     void client_closed();
-    //新的数据到来
     void new_data_recieved();
-    //一批数据发送完毕
     void some_data_sended(qint64);
-    //客户端错误
     void displayError(QAbstractSocket::SocketError socketError);
-    //SSL加密开始
+    //SSL Encrypted started
     void on_encrypted();
 signals:
-    //错误信息
+
     void evt_SocketError(QObject * senderSock ,QAbstractSocket::SocketError socketError);
-    //新的客户端连接
     void evt_NewClientConnected(QObject * client);
-    //客户端退出
     void evt_ClientDisconnected(QObject * client);
-    //收到一批数据
     void evt_Data_recieved(QObject * ,const QByteArray &  );
-    //一批数据被发送
     void evt_Data_transferred(QObject * client,qint64);
 };
 }