diff --git a/vnpy/app/trade_copy/engine.py b/vnpy/app/trade_copy/engine.py
new file mode 100644
index 00000000..1799920b
--- /dev/null
+++ b/vnpy/app/trade_copy/engine.py
@@ -0,0 +1,443 @@
+"""
+vnpy 2.x版跟单应用
+华富资产，大佳
+
+源帐号 => 跟单应用 => 目标帐号
+配置步骤：
+1、源帐号需要添加RpcServerApp，并启动。（无界面或有界面都可以）
+2、目标帐号交易程序，添加TradeCopyApp，配置源账号的Rep/Pub地址
+
+跟单规则：源帐号 仓位 * 倍率 => 目标帐号的目标仓位
+"""
+import os
+import csv
+from threading import Thread
+from queue import Queue, Empty
+from copy import copy
+from collections import defaultdict, namedtuple
+from datetime import datetime
+import logging
+from vnpy.event import Event, EventEngine
+from vnpy.trader.engine import BaseEngine, MainEngine
+from vnpy.trader.constant import Exchange
+from vnpy.trader.object import (
+    SubscribeRequest,
+    OrderRequest,
+    Offset,
+    Direction,
+    OrderType,
+    TickData,
+    ContractData
+)
+
+from vnpy.rpc import RpcClient
+from vnpy.trader.event import EVENT_TICK, EVENT_CONTRACT, EVENT_POSITION, EVENT_TIMER
+
+from vnpy.trader.utility import load_json, save_json, extract_vt_symbol
+from vnpy.app.spread_trading.base import EVENT_SPREAD_DATA, SpreadData
+
+APP_NAME = "TradeCopy"
+EVENT_TRADECOPY_LOG = "eTradeCopyLog"
+EVENT_TRADECOPY = 'eTradeCopy'
+
+
+class TradeCopyEngine(BaseEngine):
+    """
+    跟单交易
+    source ==> trade_copy ==> target
+    """
+    setting_filename = "trade_copy_setting.json"
+
+    def __init__(self, main_engine: MainEngine, event_engine: EventEngine):
+        """"""
+        super().__init__(main_engine, event_engine, APP_NAME)
+
+        # 是否激活跟单
+        self.active = False
+
+        # 持仓字典 合约+方向: vt_symbol, direction, src_volume,  target_volume, cur_volume, count
+        self.pos_dict = {}
+
+        # 被跟单得rpc server得请求端口、广播端口
+        self.source_rpc_rep = 'tcp://localhost:2015'
+        self.source_rpc_pub = 'tcp://localhost:2018'
+
+        # 跟单比率(1 ~ n)
+        # target_pos_volume = round(source_pos_volume * copy_ratio)
+        # 简单得四舍五入
+        self.copy_ratio = 1
+
+        # 跟单检查间隔（缺省5秒）
+        self.copy_interval = 5
+
+        # 定时器
+        self.timer_count = 0
+
+        # RPC客户端，用于连接源帐号
+        self.client = RpcClient()
+
+        # 回调函数
+        self.client.callback = self.client_callback
+
+        # 接受本地position event更新
+        self.accept_local = False
+
+        # 加载配置
+        self.load_setting()
+
+        # 注册事件
+        self.register_event()
+
+    def load_setting(self):
+        """
+        加载配置
+        :return:
+        """
+        try:
+            setting = load_json(self.setting_filename)
+            self.source_rpc_rep = setting.get("source_rpc_rep", "")
+            self.source_rpc_pub = setting.get("source_rpc_pub", "")
+            self.copy_ratio = setting.get('copy_ratio', 1)
+            self.copy_interval = setting.get('copy_interval', 5)
+
+        except Exception as ex:
+            self.write_log(f'{APP_NAME}加载配置文件{self.setting_filename}异常{str(ex)}')
+
+    def save_setting(self):
+        """
+        保存设置
+        :return:
+        """
+        setting = {
+            "source_rpc_rep": self.source_rpc_rep,
+            "source_rpc_pub": self.source_rpc_pub,
+            "copy_ratio": self.copy_ratio,
+            'copy_interval': self.copy_interval
+        }
+        save_json(self.setting_filename, setting)
+        self.write_log(f'保存设置完毕:{setting}')
+
+    def register_event(self):
+        """
+        注册事件处理
+        :return:
+        """
+        self.event_engine.register(EVENT_POSITION, self.process_position_event)
+        self.event_engine.register(EVENT_TIMER, self.process_timer_event)
+
+    def client_callback(self, topic: str, event: Event):
+        """
+        rpc客户端（源帐号）得event回报
+        :param topic:
+        :param event:
+        :return:
+        """
+        if event is None:
+            print("none event", topic, event)
+            return
+
+        # 只处理持仓事件
+        if event.type == EVENT_POSITION:
+            src_pos = event.data
+
+            # 不处理套利合约
+            if ' ' in src_pos.symbol or '&' in src_pos.symbol:
+                return
+
+            # key = 合约+方向
+            k = f'{src_pos.vt_symbol}.{src_pos.direction.value}'
+            pos = self.pos_dict.get(k, {})
+
+            # 更新持仓中属于source得部分, 计算出目标持仓
+            target_volume = int(round(src_pos.volume * self.copy_ratio))
+            pos.update({'vt_symbol': src_pos.vt_symbol,
+                        'direction': src_pos.direction,
+                        'name': src_pos.name,
+                        'symbol': src_pos.symbol,
+                        'src_volume': src_pos.volume,
+                        'target_volume': target_volume,
+                        'count': pos.get('count', 0) + 1,
+                        'volume': pos.get('volume', 0),
+                        'yd_volume': pos.get('yd_volume', 0),
+                        'cur_price': pos.get('cur_price', 0),
+                        'price': pos.get('price', 0),
+                        'diff': pos.get('diff', target_volume - pos.get('volume', 0))
+                        })
+
+            self.pos_dict.update({k: pos})
+
+    def process_position_event(self, event: Event):
+        """
+        处理本地帐号得持仓更新事件
+        :param event:
+        :return:
+        """
+        # 必须等到rpc的仓位都到齐了，才接收本地仓位
+        if not self.accept_local:
+            return
+
+        cur_pos = event.data
+
+        # 不处理套利合约
+        if ' ' in cur_pos.symbol or '&' in cur_pos.symbol:
+            return
+
+        # key = 合约+方向
+        k = f'{cur_pos.vt_symbol}.{cur_pos.direction.value}'
+        pos = self.pos_dict.get(k, {})
+
+        # 更新持仓中属于source得部分
+        pos.update({
+            'cur_positionid': cur_pos.vt_positionid,
+            'volume': cur_pos.volume,
+            'yd_volume': cur_pos.yd_volume,
+            'price': cur_pos.price,
+            'cur_price': cur_pos.cur_price,
+            'diff': pos.get('target_volume', 0) - cur_pos.volume,
+            'count': pos.get('count', 0) + 1
+        })
+        if 'name' not in pos:
+            pos.update({'name': cur_pos.name})
+        if 'vt_symbol' not in pos:
+            pos.update({'vt_symbol': cur_pos.vt_symbol})
+        if 'direction' not in pos:
+            pos.update({'direction': cur_pos.direction})
+        if 'symbol' not in pos:
+            pos.update({'symbol': cur_pos.symbol})
+        if 'src_volume' not in pos:
+            pos.update({'src_volume': 0})
+        if 'target_volume' not in pos:
+            pos.update({'target_volume': 0})
+
+        self.pos_dict.update({k: pos})
+
+    def put_event(self):
+        """
+        更细监控表
+        :return:
+        """
+        for key in self.pos_dict.keys():
+            pos = self.pos_dict.get(key, {})
+            # 补充key
+            pos.update({'vt_positionid': key})
+            # dict => object
+            data = namedtuple("TradeCopy", pos.keys())(*pos.values())
+            # 推送事件
+            event = Event(
+                EVENT_TRADECOPY,
+                data
+            )
+            self.event_engine.put(event)
+
+    def process_timer_event(self, event: Event):
+        """定时执行"""
+        self.timer_count += 1
+
+        if self.timer_count % 2 == 0:
+            self.put_event()
+
+        if self.timer_count < self.copy_interval:
+            return
+
+        self.timer_count = 0
+
+        # 未激活，不执行
+        if not self.active:
+            return
+
+        # 执行跟单仓位比较
+        for key in self.pos_dict.keys():
+            pos = self.pos_dict.get(key)
+
+            # 等到两次rpc pos后，才激活本地持仓更新
+            if not self.accept_local and pos.get('count', 0) > 2:
+                self.accept_local = True
+                self.write_log(f'激活本地持仓更新')
+
+            # 需要20次更新pos才算有效
+            if pos.get('count', 0) <= 20:
+                continue
+
+            target_volume = pos.get('target_volume', 0)
+            cur_volume = pos.get('volume', 0)
+            direction = pos.get('direction')
+
+            # 目标仓位 > 当前仓位， 需要开仓
+            if target_volume > cur_volume >= 0:
+                volume = target_volume - cur_volume
+                self.open_pos(vt_symbol=pos.get('vt_symbol'),
+                              direction=direction,
+                              volume=volume)
+                continue
+
+            # 目标仓位 < 当前仓位， 需要减仓
+            if 0 <= target_volume < cur_volume:
+                # 减仓数量
+                volume = cur_volume - target_volume
+
+                # 平仓相反方向
+                if direction == Direction.LONG:
+                    direction = Direction.SHORT
+                else:
+                    direction = Direction.LONG
+
+                self.close_pos(vt_symbol=pos.get('vt_symbol'),
+                               direction=direction,
+                               volume=volume,
+                               vt_positionid=pos.get('cur_positionid'))
+
+    def open_pos(self, vt_symbol, direction, volume):
+        """
+        买入、或做空
+        :param vt_symbol:
+        :param direction:
+        :param volume:
+        :return:
+        """
+        cur_tick = self.main_engine.get_tick(vt_symbol)
+        contract = self.main_engine.get_contract(vt_symbol)
+        symbol, exchange = extract_vt_symbol(vt_symbol)
+        if contract is None:
+            self.write_log(f'异常，{vt_symbol}的合约信息不存在')
+            return
+
+        if cur_tick is None:
+            req = SubscribeRequest(
+                symbol=symbol,
+                exchange=exchange
+            )
+            self.main_engine.subscribe(req, contract.gateway_name)
+            self.write_log(f'订阅合约{vt_symbol}')
+            return
+
+        dt_now = datetime.now()
+
+        # 最新tick的时间，与当前的时间超过间隔，不处理（例如休盘时间）
+        if (dt_now - cur_tick.datetime).total_seconds() > self.copy_interval:
+            self.write_log(f'{vt_symbol} 最后tick时间{cur_tick.datetime}不满足开仓要求,当前时间:{dt_now}')
+            return
+
+        open_price = cur_tick.ask_price_1 if direction == Direction.LONG else cur_tick.bid_price_1
+
+        order = OrderRequest(
+            symbol=symbol,
+            exchange=exchange,
+            direction=direction,
+            offset=Offset.OPEN,
+            volume=volume,
+            price=open_price,
+            type=OrderType.FAK
+        )
+        self.write_log(f'发出委托开仓,{vt_symbol}, {direction.value},{volume},{open_price} ')
+        self.main_engine.send_order(order, contract.gateway_name)
+
+    def close_pos(self, vt_symbol, direction, volume, vt_positionid):
+        """
+        sell or cover
+        :param vt_symbol:
+        :param direction:
+        :param volume:
+        :return:
+        """
+        cur_tick = self.main_engine.get_tick(vt_symbol)
+        contract = self.main_engine.get_contract(vt_symbol)
+        cur_pos = self.main_engine.get_position(vt_positionid)
+        if contract is None:
+            self.write_log(f'异常，{vt_symbol}的合约信息不存在')
+            return
+
+        symbol, exchange = extract_vt_symbol(vt_symbol)
+        if cur_tick is None:
+            req = SubscribeRequest(
+                symbol=symbol,
+                exchange=exchange
+            )
+            self.main_engine.subscribe(req, contract.gateway_name)
+            self.write_log(f'订阅合约{vt_symbol}')
+            return
+
+        if cur_pos is None:
+            self.write_log(f'异常，{vt_positionid}的持仓信息不存在')
+            return
+
+        dt_now = datetime.now()
+
+        # 最新tick的时间，与当前的时间超过间隔，不处理（例如休盘时间）
+        if (dt_now - cur_tick.datetime).total_seconds() > self.copy_interval:
+            self.write_log(f'{vt_symbol} 最后tick时间{cur_tick.datetime}不满足开仓要求,当前时间:{dt_now}')
+            return
+
+        close_price = cur_tick.ask_price_1 if direction == Direction.LONG else cur_tick.bid_price_1
+
+        offset = Offset.CLOSE
+        if exchange in [Exchange.SHFE, Exchange.CFFEX and Exchange.INE]:
+
+            # 优先平昨仓
+            if cur_pos.yd_volume > 0:
+                # 平昨
+                offset = Offset.CLOSEYESTERDAY
+
+                # 如果平昨数量不够，平掉所有昨仓，剩余仓位，下次再平
+                if cur_pos.yd_volume < volume:
+                    self.write_log(f'{vt_symbol} 平仓数量:{volume} => {cur_pos.yd_volume}')
+                    volume = cur_pos.yd_volume
+            else:
+                offset = Offset.CLOSETODAY
+
+        order = OrderRequest(
+            symbol=symbol,
+            exchange=exchange,
+            direction=direction,
+            offset=offset,
+            volume=volume,
+            price=close_price,
+            type=OrderType.FAK
+        )
+        self.write_log(f'发出委托开仓,{vt_symbol}, {direction.value},{volume},{close_price} ')
+        self.main_engine.send_order(order, contract.gateway_name)
+
+    def start_copy(self, source_req_addr, source_pub_addr, copy_ratio, copy_interval):
+        """
+        开始执行跟单
+        :return:
+        """
+        # 订阅事件
+        self.client.subscribe_topic("")
+
+        if source_req_addr != self.source_rpc_rep:
+            self.source_rpc_rep = source_req_addr
+        if source_pub_addr != self.source_rpc_pub:
+            self.source_rpc_pub = source_pub_addr
+        if copy_ratio != self.copy_ratio:
+            self.copy_ratio = copy_ratio
+        if copy_interval != self.copy_interval and self.copy_interval >= 1:
+            self.copy_interval = copy_interval
+        self.write_log(f'保存设置')
+        self.save_setting()
+
+        # 连接rpc客户端
+        self.write_log(f'开始连接rpc客户端')
+        self.client.start(self.source_rpc_rep, self.source_rpc_pub)
+
+        # 激活
+        self.write_log(f'激活跟单')
+        self.active = True
+
+    def stop_copy(self):
+        """
+        停止跟单
+        :return:
+        """
+        self.active = False
+        self.write_log(f'停止跟单')
+
+    def write_log(self, msg: str, source: str = "", level: int = logging.DEBUG):
+        """
+        更新日志
+        :param msg:
+        :param source:
+        :param level:
+        :return:
+        """
+        self.event_engine.put(Event(EVENT_TRADECOPY_LOG, msg))
+        super().write_log(msg, source, level)
diff --git a/vnpy/app/trade_copy/ui/__init__.py b/vnpy/app/trade_copy/ui/__init__.py
new file mode 100644
index 00000000..b6874c15
--- /dev/null
+++ b/vnpy/app/trade_copy/ui/__init__.py
@@ -0,0 +1 @@
+from .widget import TcManager
diff --git a/vnpy/app/trade_copy/ui/tc.ico b/vnpy/app/trade_copy/ui/tc.ico
new file mode 100644
index 00000000..e7ee47a9
Binary files /dev/null and b/vnpy/app/trade_copy/ui/tc.ico differ
diff --git a/vnpy/app/trade_copy/ui/widget.py b/vnpy/app/trade_copy/ui/widget.py
new file mode 100644
index 00000000..6fbe4c98
--- /dev/null
+++ b/vnpy/app/trade_copy/ui/widget.py
@@ -0,0 +1,184 @@
+from datetime import datetime
+
+from vnpy.event import Event, EventEngine
+from vnpy.trader.engine import MainEngine
+from vnpy.trader.ui import QtCore, QtWidgets, QtGui
+
+from vnpy.trader.ui.widget import BaseCell, EnumCell, PnlCell, BaseMonitor, DirectionCell
+
+from ..engine import (
+    APP_NAME,
+    EVENT_TRADECOPY_LOG,
+    EVENT_TRADECOPY
+)
+
+
+class PositionCopyMonitor(BaseMonitor):
+    """
+    Monitor for position copy data.
+    """
+
+    event_type = EVENT_TRADECOPY
+    data_key = "vt_positionid"
+    sorting = True
+
+    headers = {
+        "name": {"display": "名称", "cell": BaseCell, "update": False},
+        "symbol": {"display": "代码", "cell": BaseCell, "update": False},
+        "direction": {"display": "方向", "cell": DirectionCell, "update": False},
+        "src_volume": {"display": "源数量", "cell": BaseCell, "update": True},
+        "target_volume": {"display": "目标", "cell": BaseCell, "update": True},
+        "volume": {"display": "数量", "cell": BaseCell, "update": True},
+        "yd_volume": {"display": "昨仓", "cell": BaseCell, "update": True},
+        "diff": {"display": "偏差", "cell": PnlCell, "update": True},
+        "cur_price": {"display": "当前价", "cell": BaseCell, "update": True},
+        "price": {"display": "均价", "cell": BaseCell, "update": True},
+
+    }
+
+    def process_event(self, event: Event):
+        super().process_event(event)
+
+
+class TcManager(QtWidgets.QWidget):
+    """跟单应用界面"""
+    # qt日志事件
+    signal_log = QtCore.pyqtSignal(Event)
+
+    default_source_rpc_rep = 'tcp://localhost:2015'
+    default_source_rpc_pub = 'tcp://localhost:2018'
+    default_copy_ratio = 1
+    default_copy_interval = 5
+
+    def __init__(self, main_engine: MainEngine, event_engine: EventEngine):
+        super().__init__()
+
+        self.main_engine = main_engine
+        self.event_engine = event_engine
+
+        self.tc_engine = self.main_engine.get_engine(APP_NAME)
+
+        self.init_ui()
+        self.register_event()
+
+    def init_ui(self):
+        """"""
+        self.setWindowTitle("跟单应用")
+        self.resize(1098, 800)
+
+        # 创建组件
+        # 源帐号得rpc rep地址
+        self.line_rep_addr = QtWidgets.QLineEdit(self.tc_engine.source_rpc_rep)
+        # 源帐号得rpc pub地址
+        self.line_pub_addr = QtWidgets.QLineEdit(self.tc_engine.source_rpc_pub)
+
+        # 跟单比率
+        validator = QtGui.QDoubleValidator()
+        validator.setBottom(0)
+        self.line_copy_ratio = QtWidgets.QLineEdit()
+        self.line_copy_ratio.setValidator(validator)
+        self.line_copy_ratio.setText(str(self.tc_engine.copy_ratio))
+
+        # 更新频率
+        validator2 = QtGui.QIntValidator()
+        validator2.setBottom(1)
+        self.line_interval = QtWidgets.QLineEdit()
+        self.line_interval.setValidator(validator2)
+        self.line_interval.setText(str(self.tc_engine.copy_interval))
+
+        # 跟单按钮动作
+        self.btn_start_copy = QtWidgets.QPushButton(u'连接&跟单')
+        self.btn_start_copy.clicked.connect(self.start_copy)
+
+        # 停止动作
+        self.btn_stop_engine = QtWidgets.QPushButton(u'停止')
+        self.btn_stop_engine.clicked.connect(self.stop_copy)
+        self.btn_stop_engine.setEnabled(False)
+
+        # 重置设置
+        self.btn_reset_addr = QtWidgets.QPushButton(u'重置配置')
+        self.btn_reset_addr.clicked.connect(self.reset_setting)
+
+        # 仓位差异组件
+        self.pos_monitor = PositionCopyMonitor(self.main_engine, self.event_engine)
+
+        # 日志组件
+        self.log_monitor = QtWidgets.QTextEdit()
+        self.log_monitor.setReadOnly(True)
+
+        self.widgetList = [
+            self.line_copy_ratio,
+            self.line_interval,
+            self.line_rep_addr,
+            self.line_pub_addr,
+            self.btn_stop_engine,
+            self.btn_start_copy,
+            self.btn_reset_addr
+        ]
+
+        # 布局
+        QLabel = QtWidgets.QLabel
+        grid = QtWidgets.QGridLayout()
+        grid.addWidget(QLabel(u'响应地址'), 0, 0)
+        grid.addWidget(self.line_rep_addr, 0, 1)
+
+        grid.addWidget(QLabel(u'发布地址'), 1, 0)
+        grid.addWidget(self.line_pub_addr, 1, 1)
+
+        grid.addWidget(QLabel(u'发布间隔（秒）'), 0, 2)
+        grid.addWidget(self.line_interval, 0, 3)
+
+        grid.addWidget(QLabel(u'复制比例（倍）'), 1, 2)
+        grid.addWidget(self.line_copy_ratio, 1, 3)
+
+        grid.addWidget(self.btn_start_copy, 2, 2, 1, 2)
+        grid.addWidget(self.btn_stop_engine, 2, 0, 1, 2)
+        grid.addWidget(self.btn_reset_addr, 3, 2, 1, 2)
+        grid.addWidget(self.pos_monitor, 4, 0, 1, 4)
+        grid.addWidget(self.log_monitor, 5, 0, 1, 4)
+
+        self.setLayout(grid)
+
+    def register_event(self):
+        """注册事件绑定"""
+        # qt信号 => 日志更新函数()
+        self.signal_log.connect(self.process_log_event)
+
+        self.event_engine.register(EVENT_TRADECOPY_LOG, self.signal_log.emit)
+
+    def process_log_event(self, event: Event):
+        """处理日志"""
+        timestamp = datetime.now().strftime("%H:%M:%S")
+        msg = f"{timestamp}\t{event.data}"
+        self.log_monitor.append(msg)
+
+    def reset_setting(self):
+        """
+        重置配置
+        :return:
+        """
+        self.line_rep_addr.setText(self.default_source_rpc_pub)
+        self.line_pub_addr.setText(self.default_source_rpc_pub)
+        self.line_copy_ratio.setText(self.default_copy_ratio)
+        self.line_interval.setText(self.default_copy_interval)
+
+    def start_copy(self):
+        """
+        连接源帐号（RPC）
+        :return:
+        """
+
+        source_req_addr = str(self.line_rep_addr.text())
+        source_pub_addr = str(self.line_pub_addr.text())
+        copy_ratio = float(self.line_copy_ratio.text())
+        copy_interval = float(self.line_interval.text())
+        self.tc_engine.start_copy(source_req_addr, source_pub_addr, copy_ratio, copy_interval)
+
+        for widget in self.widgetList:
+            widget.setEnabled(False)
+        self.btn_stop_engine.setEnabled(True)
+
+    def stop_copy(self):
+
+        if self.tc_engine:
+            self.tc_engine.stop_copy()