diff --git a/examples/VnTrader/run.py b/examples/VnTrader/run.py
index b2975c27..53872f1f 100644
--- a/examples/VnTrader/run.py
+++ b/examples/VnTrader/run.py
@@ -35,7 +35,8 @@ elif system == 'Windows':
 
 # 加载上层应用
 from vnpy.trader.app import (riskManager, ctaStrategy, 
-                             spreadTrading, algoTrading)
+                             spreadTrading, algoTrading,
+                             tradeCopy)
 
 
 #----------------------------------------------------------------------
@@ -67,6 +68,7 @@ def main():
     me.addApp(ctaStrategy)
     me.addApp(spreadTrading)
     me.addApp(algoTrading)
+    me.addApp(tradeCopy)
 
     # 创建主窗口
     mw = MainWindow(me, ee)
diff --git a/vnpy/__init__.py b/vnpy/__init__.py
index 708620bf..4d027381 100644
--- a/vnpy/__init__.py
+++ b/vnpy/__init__.py
@@ -1,4 +1,4 @@
 # encoding: UTF-8
 
-__version__ = '1.9.0'
+__version__ = '1.9.2'
 __author__ = 'Xiaoyou Chen'
\ No newline at end of file
diff --git a/vnpy/trader/app/tradeCopy/__init__.py b/vnpy/trader/app/tradeCopy/__init__.py
new file mode 100644
index 00000000..6f445281
--- /dev/null
+++ b/vnpy/trader/app/tradeCopy/__init__.py
@@ -0,0 +1,10 @@
+# encoding: UTF-8
+
+from .tcEngine import TcEngine
+from .uiTcWidget import TcManager
+
+appName = 'TradeCopy'
+appDisplayName = u'交易复制'
+appEngine = TcEngine
+appWidget = TcManager
+appIco = 'tc.ico'
\ No newline at end of file
diff --git a/vnpy/trader/app/tradeCopy/tc.ico b/vnpy/trader/app/tradeCopy/tc.ico
new file mode 100644
index 00000000..e7ee47a9
Binary files /dev/null and b/vnpy/trader/app/tradeCopy/tc.ico differ
diff --git a/vnpy/trader/app/tradeCopy/tcEngine.py b/vnpy/trader/app/tradeCopy/tcEngine.py
new file mode 100644
index 00000000..b6493137
--- /dev/null
+++ b/vnpy/trader/app/tradeCopy/tcEngine.py
@@ -0,0 +1,319 @@
+# encoding: UTF-8
+
+from collections import defaultdict
+
+from vnpy.event import Event
+from vnpy.rpc import RpcClient, RpcServer
+from vnpy.trader.vtEvent import EVENT_POSITION, EVENT_TRADE, EVENT_TIMER
+from vnpy.trader.vtConstant import (DIRECTION_LONG, DIRECTION_SHORT,
+                                    OFFSET_OPEN, OFFSET_CLOSE, PRICETYPE_LIMITPRICE,
+                                    OFFSET_CLOSEYESTERDAY, OFFSET_CLOSETODAY)
+from vnpy.trader.vtObject import VtOrderReq, VtCancelOrderReq, VtLogData, VtSubscribeReq
+
+
+EVENT_TC_LOG = 'eTcLog'
+
+
+########################################################################
+class TcEngine(object):
+    """交易复制引擎"""
+    MODE_PROVIDER = 1
+    MODE_SUBSCRIBER = 2
+    
+    #----------------------------------------------------------------------
+    def __init__(self, mainEngine, eventEngine):
+        """Constructor"""
+        self.mainEngine = mainEngine
+        self.eventEngine = eventEngine
+        
+        self.mode = None                    # Subscriber/Provider
+        self.posDict = defaultdict(int)     # vtPositionName:int
+        self.targetDict = defaultdict(int)  # vtPositionName:int
+        self.copyRatio = 1
+        self.interval = 1
+        self.subscribeSet = set()
+        
+        self.count = 0
+        self.server = None                  # RPC Server
+        self.client = None                  # RPC Client
+        
+        self.registerEvent()
+    
+    #----------------------------------------------------------------------
+    def startProvider(self, repAddress, pubAddress, interval):
+        """"""
+        self.mode = self.MODE_PROVIDER
+        self.interval = interval
+        
+        self.server = RpcServer(repAddress, pubAddress)
+        self.server.usePickle()
+        self.server.register(self.getPos)
+        self.server.start()
+        
+        self.writeLog(u'启动发布者模式')
+    
+    #----------------------------------------------------------------------
+    def startSubscriber(self, reqAddress, subAddress, copyRatio):
+        """"""
+        self.mode = self.MODE_SUBSCRIBER
+        self.copyRatio = copyRatio
+        
+        self.client = TcClient(self, reqAddress, subAddress)
+        self.client.usePickle()
+        self.client.subscribeTopic('')
+        self.client.start()
+        
+        self.writeLog(u'启动订阅者模式，运行时请不要执行其他交易操作')
+        
+        self.initTarget()
+    
+    #----------------------------------------------------------------------
+    def stop(self):
+        """"""
+        if self.client:
+            self.client.stop()
+            self.writeLog(u'订阅者模式已停止')
+        
+        if self.server:
+            self.server.stop()
+            self.writeLog(u'发布者模式已停止')
+        
+        self.mode = None
+        
+    #----------------------------------------------------------------------
+    def registerEvent(self):
+        """"""
+        self.eventEngine.register(EVENT_POSITION, self.processPositionEvent)
+        self.eventEngine.register(EVENT_TRADE, self.processTradeEvent)
+        self.eventEngine.register(EVENT_TIMER, self.processTimerEvent)
+    
+    #----------------------------------------------------------------------
+    def checkAndTrade(self, vtSymbol):
+        """"""
+        if self.checkNoWorkingOrder(vtSymbol):
+            self.newOrder(vtSymbol)
+        else:
+            self.cancelOrder(vtSymbol)        
+    
+    #----------------------------------------------------------------------
+    def processTimerEvent(self, event):
+        """"""
+        if self.mode != self.MODE_PROVIDER:
+            return
+            
+        self.count += 1
+        if self.count < self.interval:
+            return
+        self.count = 0
+        
+        for vtPositionName in self.posDict.keys():
+            self.publishPos(vtPositionName)
+        
+    #----------------------------------------------------------------------
+    def processTradeEvent(self, event):
+        """"""
+        trade = event.dict_['data']
+        
+        vtPositionName = '.'.join([trade.vtSymbol, trade.direction])
+        
+        if trade.offset == OFFSET_OPEN:
+            self.posDict[vtPositionName] += trade.volume
+        else:
+            self.posDict[vtPositionName] -= trade.volume
+        
+        if self.mode == self.MODE_PROVIDER:
+            self.publishPos(vtPositionName)
+    
+    #----------------------------------------------------------------------
+    def processPositionEvent(self, event):
+        """"""
+        position = event.dict_['data']
+        self.posDict[position.vtPositionName] = position.position        
+    
+    #----------------------------------------------------------------------
+    def publishPos(self, vtPositionName):
+        """"""
+        l = vtPositionName.split('.')
+        direction = l[-1]
+        vtSymbol = vtPositionName.replace('.' + direction, '')        
+        
+        data = {
+            'vtSymbol': vtSymbol,
+            'vtPositionName': vtPositionName,
+            'pos': self.posDict[vtPositionName]
+        }
+        self.server.publish('', data)
+    
+    #----------------------------------------------------------------------
+    def updatePos(self, data):
+        """"""
+        vtSymbol = data['vtSymbol']
+        if vtSymbol not in self.subscribeSet:
+            contract = self.mainEngine.getContract(vtSymbol)
+            
+            req = VtSubscribeReq()
+            req.symbol = contract.symbol
+            req.exchange = contract.exchange
+            self.mainEngine.subscribe(req, contract.gatewayName)
+        
+        vtPositionName = data['vtPositionName']
+        target = int(data['pos'] * self.copyRatio)
+        self.targetDict[vtPositionName] = target
+        
+        self.checkAndTrade(vtSymbol)
+    
+    #----------------------------------------------------------------------
+    def newOrder(self, vtSymbol):
+        """"""
+        for vtPositionName in self.targetDict.keys():
+            if vtSymbol not in vtPositionName:
+                continue
+            
+            pos = self.posDict[vtPositionName]
+            target = self.targetDict[vtPositionName]            
+            if pos == target:
+                continue
+            
+            contract = self.mainEngine.getContract(vtSymbol)
+            tick = self.mainEngine.getTick(vtSymbol)
+            if not tick:
+                return
+            
+            req = VtOrderReq()
+            req.symbol = contract.symbol
+            req.exchange = contract.exchange
+            req.priceType = PRICETYPE_LIMITPRICE            
+            req.volume = abs(target - pos)
+            
+            # Open position
+            if target > pos:
+                req.offset = OFFSET_OPEN
+                
+                if DIRECTION_LONG in vtPositionName:
+                    req.direction = DIRECTION_LONG
+                    if tick.upperLimit:
+                        req.price = tick.upperLimit
+                    else:
+                        req.price = tick.askPrice1
+                elif DIRECTION_SHROT in vtPositionName:
+                    req.direction = DIRECTION_SHROT
+                    if tick.lowerLimit:
+                        req.price = tick.lowerLimit
+                    else:
+                        req.price = tick.bidPrice1
+                
+                self.mainEngine.sendOrder(req, contract.gatewayName)
+            
+            # Close position
+            elif target < pos:
+                req.offset = OFFSET_CLOSE
+                
+                if DIRECTION_LONG in vtPositionName:
+                    req.direction = DIRECTION_SHROT
+                    if tick.upperLimit:
+                        req.price = tick.upperLimit
+                    else:
+                        req.price = tick.askPrice1
+                
+                elif DIRECTION_SHROT in vtPositionName:
+                    req.direction = DIRECTION_LONG
+                    if tick.lowerLimit:
+                        req.price = tick.lowerLimit
+                    else:
+                        req.price = tick.bidPrice1
+                    
+                # Use auto-convert for solving today/yesterday position problem
+                reqList = self.mainEngine.convertOrderReq(req)
+                for convertedReq in reqList:
+                    self.mainEngine.sendOrder(convertedReq, contract.gatewayName)
+            
+            # Write log
+            msg = u'发出%s委托 %s%s %s@%s' %(vtSymbol, req.direction, req.offset,
+                                            req.price, req.volume)
+            self.writeLog(msg)
+
+    #----------------------------------------------------------------------
+    def cancelOrder(self, vtSymbol):
+        """
+        Cancel all orders of a certain vtSymbol
+        """
+        l = self.mainEngine.getAllWorkingOrders()
+        for order in l:
+            if order.vtSymbol == vtSymbol:
+                req = VtCancelOrderReq()
+                req.orderID = order.orderID
+                req.frontID = order.frontID
+                req.sessionID = order.sessionID
+                req.symbol = order.symbol
+                req.exchange = order.exchange
+                self.mainEngine.cancelOrder(req, order.gatewayName)
+        
+        self.writeLog(u'撤销%s全部活动中委托' %vtSymbol)
+    
+    #----------------------------------------------------------------------
+    def checkNoWorkingOrder(self, vtSymbol):
+        """
+        Check if there is still any working orders of a certain vtSymbol
+        """
+        l = self.mainEngine.getAllWorkingOrders()
+        for order in l:
+            if order.vtSymbol == vtSymbol:
+                return False
+        
+        return True
+
+    #----------------------------------------------------------------------
+    def writeLog(self, msg):
+        """"""
+        log = VtLogData()
+        log.logContent = msg
+        
+        event = Event(EVENT_TC_LOG)
+        event.dict_['data'] = log
+        self.eventEngine.put(event)
+    
+    #----------------------------------------------------------------------
+    def getPos(self):
+        """
+        Get currenct position data of provider
+        """
+        return dict(self.posDict)
+    
+    #----------------------------------------------------------------------
+    def initTarget(self):
+        """
+        Init target data of subscriber based on position data from provider
+        """
+        d = self.client.getPos()
+        for vtPositionName, pos in d.items():
+            l = vtPositionName.split('.')
+            direction = l[-1]
+            vtSymbol = vtPositionName.replace('.' + direction, '')
+            
+            data = {
+                'vtPositionName': vtPositionName,
+                'vtSymbol': vtSymbol,
+                'pos': pos
+            }
+            self.updatePos(data)
+        
+        self.writeLog(u'目标仓位初始化完成')
+
+
+########################################################################
+class TcClient(RpcClient):
+    """"""
+
+    #----------------------------------------------------------------------
+    def __init__(self, engine, reqAddress, subAddress):
+        """Constructor"""
+        super(TcClient, self).__init__(reqAddress, subAddress)
+        
+        self.engine = engine
+    
+    #----------------------------------------------------------------------
+    def callback(self, topic, data):
+        """"""
+        self.engine.updatePos(data)
+    
+    
\ No newline at end of file
diff --git a/vnpy/trader/app/tradeCopy/uiTcWidget.py b/vnpy/trader/app/tradeCopy/uiTcWidget.py
new file mode 100644
index 00000000..5cdfc9d4
--- /dev/null
+++ b/vnpy/trader/app/tradeCopy/uiTcWidget.py
@@ -0,0 +1,199 @@
+# encoding: UTF-8
+
+import shelve
+
+from vnpy.event import Event
+from vnpy.trader.uiQt import QtCore, QtGui, QtWidgets
+from vnpy.trader.vtFunction import getTempPath
+
+from .tcEngine import EVENT_TC_LOG
+
+
+########################################################################
+class TcManager(QtWidgets.QWidget):
+    """"""
+    REQ_ADDRESS = 'tcp://localhost:2015'
+    SUB_ADDRESS = 'tcp://localhost:2018'   
+    REP_ADDRESS = 'tcp://*:2015'
+    PUB_ADDRESS = 'tcp://*:2018'
+    COPY_RATIO = '1'
+    INTERVAL = '1'
+    
+    settingFileName = 'TradeCopy.vt'
+    settingFilePath = getTempPath(settingFileName)
+    
+    signal = QtCore.Signal(type(Event()))
+
+    #----------------------------------------------------------------------
+    def __init__(self, tcEngine, eventEngine, parent=None):
+        """Constructor"""
+        super(TcManager, self).__init__(parent)
+        
+        self.tcEngine = tcEngine
+        self.eventEngine = eventEngine
+        
+        self.initUi()
+        self.loadSetting()
+        self.registerEvent()
+        
+        self.tcEngine.writeLog(u'欢迎使用TradeCopy交易复制模块')
+    
+    #----------------------------------------------------------------------
+    def initUi(self):
+        """"""
+        self.setWindowTitle(u'交易复制')
+        self.setMinimumWidth(700)
+        self.setMinimumHeight(700)
+        
+        # 创建组件
+        self.lineReqAddress = QtWidgets.QLineEdit(self.REQ_ADDRESS)
+        self.lineSubAddress= QtWidgets.QLineEdit(self.SUB_ADDRESS)
+        self.lineRepAddress = QtWidgets.QLineEdit(self.REP_ADDRESS)
+        self.linePubAddress = QtWidgets.QLineEdit(self.PUB_ADDRESS)
+        
+        validator = QtGui.QDoubleValidator()
+        validator.setBottom(0)
+        self.lineCopyRatio = QtWidgets.QLineEdit()
+        self.lineCopyRatio.setValidator(validator)
+        self.lineCopyRatio.setText(self.COPY_RATIO)
+        
+        validator2 = QtGui.QIntValidator()
+        validator2.setBottom(1)
+        self.lineInterval = QtWidgets.QLineEdit()
+        self.lineInterval.setValidator(validator2)
+        self.lineInterval.setText(self.INTERVAL)
+        
+        self.buttonProvider = QtWidgets.QPushButton(u'启动发布者')
+        self.buttonProvider.clicked.connect(self.startProvider)
+        
+        self.buttonSubscriber = QtWidgets.QPushButton(u'启动订阅者')
+        self.buttonSubscriber.clicked.connect(self.startSubscriber)
+        
+        self.buttonStopEngine = QtWidgets.QPushButton(u'停止')
+        self.buttonStopEngine.clicked.connect(self.stopEngine)
+        self.buttonStopEngine.setEnabled(False)
+        
+        self.buttonResetAddress = QtWidgets.QPushButton(u'重置地址')
+        self.buttonResetAddress.clicked.connect(self.resetAddress)
+        
+        self.logMonitor = QtWidgets.QTextEdit()
+        self.logMonitor.setReadOnly(True)
+        
+        self.widgetList = [
+            self.lineCopyRatio,
+            self.lineInterval,
+            self.linePubAddress,
+            self.lineSubAddress,
+            self.lineRepAddress,
+            self.lineReqAddress,
+            self.buttonProvider,
+            self.buttonSubscriber,
+            self.buttonResetAddress
+        ]
+        
+        # 布局
+        QLabel = QtWidgets.QLabel
+        grid = QtWidgets.QGridLayout()
+        
+        grid.addWidget(QLabel(u'响应地址'), 0, 0)
+        grid.addWidget(self.lineRepAddress, 0, 1)
+        grid.addWidget(QLabel(u'请求地址'), 0, 2)
+        grid.addWidget(self.lineReqAddress, 0, 3)
+        
+        grid.addWidget(QLabel(u'发布地址'), 1, 0)
+        grid.addWidget(self.linePubAddress, 1, 1)
+        grid.addWidget(QLabel(u'订阅地址'), 1, 2)
+        grid.addWidget(self.lineSubAddress, 1, 3)
+        
+        grid.addWidget(QLabel(u'发布间隔（秒）'), 2, 0)
+        grid.addWidget(self.lineInterval, 2, 1)
+        grid.addWidget(QLabel(u'复制比例（倍）'), 2, 2)
+        grid.addWidget(self.lineCopyRatio, 2, 3)
+        
+        grid.addWidget(self.buttonProvider, 3, 0, 1, 2)
+        grid.addWidget(self.buttonSubscriber, 3, 2, 1, 2)
+        grid.addWidget(self.buttonStopEngine, 4, 0, 1, 2)
+        grid.addWidget(self.buttonResetAddress, 4, 2, 1, 2)
+        
+        grid.addWidget(self.logMonitor, 5, 0, 1, 4)
+        
+        self.setLayout(grid)
+    
+    #----------------------------------------------------------------------
+    def saveSetting(self):
+        """"""
+        f = shelve.open(self.settingFilePath)
+        f['repAddress'] = self.lineRepAddress.text()
+        f['reqAddress'] = self.lineReqAddress.text()
+        f['pubAddress'] = self.linePubAddress.text()
+        f['subAddress'] = self.lineSubAddress.text()
+        f['copyRatio'] = self.lineCopyRatio.text()
+        f['interval'] = self.lineInterval.text()
+        f.close()
+    
+    #----------------------------------------------------------------------
+    def loadSetting(self):
+        """"""
+        f = shelve.open(self.settingFilePath)
+        if f:
+            self.lineRepAddress.setText(f['repAddress'])
+            self.lineReqAddress.setText(f['reqAddress'])
+            self.linePubAddress.setText(f['pubAddress'])
+            self.lineSubAddress.setText(f['subAddress'])
+            self.lineCopyRatio.setText(f['copyRatio'])
+            self.lineInterval.setText(f['interval'])
+        f.close()        
+    
+    #----------------------------------------------------------------------
+    def resetAddress(self):
+        """"""
+        self.lineReqAddress.setText(self.REQ_ADDRESS)
+        self.lineRepAddress.setText(self.REP_ADDRESS)
+        self.linePubAddress.setText(self.PUB_ADDRESS)
+        self.lineSubAddress.setText(self.SUB_ADDRESS)
+    
+    #----------------------------------------------------------------------
+    def stopEngine(self):
+        """"""
+        self.tcEngine.stop()
+        
+        for widget in self.widgetList:
+            widget.setEnabled(True)
+        self.buttonStopEngine.setEnabled(False)
+
+    #----------------------------------------------------------------------
+    def registerEvent(self):
+        """"""
+        self.signal.connect(self.processLogEvent)
+        self.eventEngine.register(EVENT_TC_LOG, self.signal.emit)
+    
+    #----------------------------------------------------------------------
+    def processLogEvent(self, event):
+        """"""
+        log = event.dict_['data']
+        txt = '%s:  %s' %(log.logTime, log.logContent)
+        self.logMonitor.append(txt)
+    
+    #----------------------------------------------------------------------
+    def startProvider(self):
+        """"""
+        repAddress = str(self.lineRepAddress.text())
+        pubAddress = str(self.linePubAddress.text())
+        interval = int(self.lineInterval.text())
+        self.tcEngine.startProvider(repAddress, pubAddress, interval)
+        
+        for widget in self.widgetList:
+            widget.setEnabled(False)
+        self.buttonStopEngine.setEnabled(True)
+        
+    #----------------------------------------------------------------------
+    def startSubscriber(self):
+        """"""
+        reqAddress = str(self.lineReqAddress.text())
+        subAddress = str(self.lineSubAddress.text())
+        copyRatio = float(self.lineCopyRatio.text())
+        self.tcEngine.startSubscriber(reqAddress, subAddress, copyRatio)
+    
+        for widget in self.widgetList:
+            widget.setEnabled(False)
+        self.buttonStopEngine.setEnabled(True)
\ No newline at end of file