diff --git a/vnpy/trader/app/ctaStrategy/ctaBacktesting.py b/vnpy/trader/app/ctaStrategy/ctaBacktesting.py
index 83daf4d7..3b4e3557 100644
--- a/vnpy/trader/app/ctaStrategy/ctaBacktesting.py
+++ b/vnpy/trader/app/ctaStrategy/ctaBacktesting.py
@@ -1130,8 +1130,6 @@ class DailyResult(object):
         self.totalPnl = self.tradingPnl + self.positionPnl
         self.netPnl = self.totalPnl - self.commission - self.slippage
 
-    
-
 
 ########################################################################
 class OptimizationSetting(object):
diff --git a/vnpy/trader/app/ctaStrategy/strategy/strategyDoubleMa.py b/vnpy/trader/app/ctaStrategy/strategy/strategyDoubleMa.py
index 2692ddf6..776b1ef7 100644
--- a/vnpy/trader/app/ctaStrategy/strategy/strategyDoubleMa.py
+++ b/vnpy/trader/app/ctaStrategy/strategy/strategyDoubleMa.py
@@ -154,115 +154,3 @@ class DoubleMaStrategy(CtaTemplate):
     def onStopOrder(self, so):
         """停止单推送"""
         pass    
-    
-    
-########################################################################################
-class OrderManagementDemoStrategy(CtaTemplate):
-    """基于tick级别细粒度撤单追单测试demo"""
-    
-    className = 'OrderManagementDemoStrategy'
-    author = u'用Python的交易员'
-    
-    # 策略参数
-    initDays = 10   # 初始化数据所用的天数
-    
-    # 策略变量
-    bar = None
-    barMinute = EMPTY_STRING
-    
-    
-    # 参数列表，保存了参数的名称
-    paramList = ['name',
-                 'className',
-                 'author',
-                 'vtSymbol']
-    
-    # 变量列表，保存了变量的名称
-    varList = ['inited',
-               'trading',
-               'pos']
-
-    #----------------------------------------------------------------------
-    def __init__(self, ctaEngine, setting):
-        """Constructor"""
-        super(OrderManagementDemoStrategy, self).__init__(ctaEngine, setting)
-                
-        self.lastOrder = None
-        self.orderType = ''
-        
-    #----------------------------------------------------------------------
-    def onInit(self):
-        """初始化策略（必须由用户继承实现）"""
-        self.writeCtaLog(u'双EMA演示策略初始化')
-        
-        initData = self.loadBar(self.initDays)
-        for bar in initData:
-            self.onBar(bar)
-        
-        self.putEvent()
-        
-    #----------------------------------------------------------------------
-    def onStart(self):
-        """启动策略（必须由用户继承实现）"""
-        self.writeCtaLog(u'双EMA演示策略启动')
-        self.putEvent()
-    
-    #----------------------------------------------------------------------
-    def onStop(self):
-        """停止策略（必须由用户继承实现）"""
-        self.writeCtaLog(u'双EMA演示策略停止')
-        self.putEvent()
-        
-    #----------------------------------------------------------------------
-    def onTick(self, tick):
-        """收到行情TICK推送（必须由用户继承实现）"""
-
-        # 建立不成交买单测试单        
-        if self.lastOrder == None:
-            self.buy(tick.lastprice - 10.0, 1)
-
-        # CTA委托类型映射
-        if self.lastOrder != None and self.lastOrder.direction == u'多' and self.lastOrder.offset == u'开仓':
-            self.orderType = u'买开'
-
-        elif self.lastOrder != None and self.lastOrder.direction == u'多' and self.lastOrder.offset == u'平仓':
-            self.orderType = u'买平'
-
-        elif self.lastOrder != None and self.lastOrder.direction == u'空' and self.lastOrder.offset == u'开仓':
-            self.orderType = u'卖开'
-
-        elif self.lastOrder != None and self.lastOrder.direction == u'空' and self.lastOrder.offset == u'平仓':
-            self.orderType = u'卖平'
-                
-        # 不成交，即撤单，并追单
-        if self.lastOrder != None and self.lastOrder.status == u'未成交':
-
-            self.cancelOrder(self.lastOrder.vtOrderID)
-            self.lastOrder = None
-        elif self.lastOrder != None and self.lastOrder.status == u'已撤销':
-        # 追单并设置为不能成交
-            
-            self.sendOrder(self.orderType, self.tick.lastprice - 10, 1)
-            self.lastOrder = None
-            
-    #----------------------------------------------------------------------
-    def onBar(self, bar):
-        """收到Bar推送（必须由用户继承实现）"""
-        pass
-    
-    #----------------------------------------------------------------------
-    def onOrder(self, order):
-        """收到委托变化推送（必须由用户继承实现）"""
-        # 对于无需做细粒度委托控制的策略，可以忽略onOrder
-        self.lastOrder = order
-    
-    #----------------------------------------------------------------------
-    def onTrade(self, trade):
-        """收到成交推送（必须由用户继承实现）"""
-        # 对于无需做细粒度委托控制的策略，可以忽略onOrder
-        pass
-    
-    #----------------------------------------------------------------------
-    def onStopOrder(self, so):
-        """停止单推送"""
-        pass