求高人指点为什么下不了单谢谢

[pingzongjianghu]

//+------------------------------------------------------------------+
//|                                                5分钟动量系统.mq4 |
//|                        Copyright 2016, MetaQuotes Software Corp. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2016, MetaQuotes Software Corp."
#property link      "https://www.mql5.com"
#property version   "1.00"
#property strict
#define MAGICMA 2016817
//--- input parameters
input double   Maximum_riske=0.05;//资金最大风险系数
input int      MovingPeriod=21;
input int      ENEPeriod=55;
input double   ENEdeviation=0.03;//ENE偏值
input int     Maximum_TP=500;//最大止损点数
input int     L_ma1=200;//离均线差值 
 bool           woke=true;//允许运行  
//+------------------------------------------------------------------+
//|Caculate open positions //检查开仓是否                  |
//+------------------------------------------------------------------+
int CalculateCurrentOrders(string symbol)//计算当前持仓数量函数
  {
   int buys=0,sells=0;//定义两个临时变量
//---
   for(int i=0;i<OrdersTotal();i++)//循环当前订单队列
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false) break;//挑选出每一个订单的位置，如果没有就中断。
      if(OrderSymbol()==Symbol() && OrderMagicNumber()==MAGICMA)//根据订单位置，比较是否是当前K线商品 以及订单唯一标识号是否和本程序设置的一致
        {
         if(OrderType()==OP_BUY)  buys++;//找到符合条件的持仓单后，如果是多单，则临时变量buys增加1
         if(OrderType()==OP_SELL) sells++;//找到符合条件的持仓单后，如果是空单，则临时变量sells增加1
        }
     }
//--- return orders volume
   if(buys>0) return(buys); //如果买>0,则返回值为（buys）
   else       return(-sells);//否则为带符号的sells个数值      本函数返回查询计算结束时的持仓单的个数。
  }
//+------------------------------------------------------------------+
//|  Calculate optimal lot size //计算最佳仓位大小              |
//+------------------------------------------------------------------+
   
   double LotsOptimized()
  {
   double One_lot=MarketInfo(Symbol(),MODE_LOTSIZE);//一标准手手需要的保证金。
 

   double lot=NormalizeDouble(AccountFreeMargin()*Maximum_riske/One_lot,2);//开仓数量。

   return(lot);
  }
//+------------------------------------------------------------------+
//| Check for open order conditions //检查开仓条件。                                 |
//+------------------------------------------------------------------+
void CheckForOpen()
  {
   double ma1,ene1_up,ene1_dn,macd,ma2,ene2_dn,ene2_up;
   double bid=MarketInfo(Symbol(),MODE_BID);//市场实时价格
   double vspread  = MarketInfo(Symbol(),MODE_SPREAD); //市场点差 
   double Vpoint  =  MarketInfo(Symbol(),MODE_POINT);//市场最小波动单位
   int    res; 
   ma1=iMA(NULL,0,MovingPeriod,0,MODE_EMA,PRICE_CLOSE,1);//前次EMA21定义
   ene1_up=iEnvelopes( NULL, 0, ENEPeriod , MODE_EMA, 0,PRICE_CLOSE, ENEdeviation, MODE_UPPER,1) ;//前次ENE上轨定义
   ene1_dn=iEnvelopes( NULL, 0, ENEPeriod , MODE_EMA, 0,PRICE_CLOSE, ENEdeviation, MODE_LOWER, 1) ;//前次ENE下轨定义
    ma2=iMA(NULL,0,MovingPeriod,0,MODE_EMA,PRICE_CLOSE,0);//当前EMA21定义
   ene2_up=iEnvelopes( NULL, 0, ENEPeriod , MODE_EMA, 0,PRICE_CLOSE, ENEdeviation, MODE_UPPER,0) ;//当次ENE上轨定义
   ene2_dn=iEnvelopes( NULL, 0, ENEPeriod , MODE_EMA, 0,PRICE_CLOSE, ENEdeviation, MODE_LOWER, 0) ;//当次ENE下轨定义
   macd=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_SIGNAL,1);
   double stoploss_s=ma2-bid+vspread+L_ma1*Vpoint;
   double stoploss_b=bid-ma2+vspread+L_ma1*Vpoint;
//--- sell conditions//做空条件。
    if(ma1<ene1_dn&&macd<0&&bid<ma2<ene2_dn&&stoploss_s<Maximum_TP*Vpoint)
     {
      res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,100,ma2-bid+vspread+L_ma1*Vpoint,0,"",MAGICMA,0,Red);
      
      return;
   
     }
//--- buy conditions//做多条件
   if(ma1>ene1_dn&&macd>0&&bid>ma2>ene2_dn&& stoploss_b<Maximum_TP*Vpoint)
     {
      res=OrderSend(Symbol(),OP_BUY,LotsOptimized(),Ask,100,bid-ma2+vspread+L_ma1*Vpoint,0,"",MAGICMA,0,Blue);
      return;
     }
     }
 //+-------------------------------------------------------------------+
//|Check for close oder conditions.//检查平单条件。                                            |
//+--------------------------------------------------------------------+
void CheckForClose()
   
  {double v1spread  = MarketInfo(Symbol(),MODE_SPREAD); //市场点差 
   double V1point  =  MarketInfo(Symbol(),MODE_POINT);//市场最小波动单位
   double ma2=iMA(NULL,0,MovingPeriod,0,MODE_EMA,PRICE_CLOSE,0);//当前EMA21定义
   double bid=MarketInfo(Symbol(),MODE_BID);//市场实时价格
   double Vpoint  =  MarketInfo(Symbol(),MODE_POINT);//市场最小波动单位
    double ma1=iMA(NULL,0,MovingPeriod,0,MODE_EMA,PRICE_CLOSE,1);//前次EMA21定义
   for(int i=0;i<OrdersTotal();i++)
     { if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false) break;
      if(OrderMagicNumber()!=MAGICMA || OrderSymbol()!=Symbol()) continue;
     
      //--- check order type 
      double tl=OrderStopLoss();//选出的定单的止损点位
      double op=OrderOpenPrice();//选出的订单的开盘价位
      double lot=OrderLots();//选出的手数
      
      
      if(OrderType()==OP_BUY)
        {
         if(bid-op==op-tl)
          if (OrderClose(OrderTicket(),NormalizeDouble (0.5*lot,2),Bid,100,White)
             )
             continue;
              for(i = 0; i < OrdersTotal(); i++)
              {if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==true)
              {     
                if(OrderSymbol()!=Symbol()||OrderMagicNumber()!=MAGICMA)continue;// 不是要找的定单  
               
               if(OrderModify(OrderTicket(),0.5*lot,OrderClosePrice() ,OrderTakeProfit(),Orchid)==true)
               continue;;
               
               if(OrderType()==OP_BUY)
               {if(OrderOpenPrice()<ma2-L_ma1||ma2>ma1)
               {if(OrderModify(OrderTicket(),0.5*lot,ma2-L_ma1*Vpoint ,OrderTakeProfit(),Orchid)==true)
               continue;
               }
               }
      
              }
              }
             
        return;
     
       }
       }
        for(int i=0;i<OrdersTotal();i++)
     { if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false) break;
      if(OrderMagicNumber()!=MAGICMA || OrderSymbol()!=Symbol()) continue;
     
      //--- check order type 
      double tl=OrderStopLoss();//选出的定单的止损点位
      double op=OrderOpenPrice();//选出的订单的开盘价位
      double lot=OrderLots();//选出的手数
      
      
      if(OrderType()==OP_SELL)
        {
         if(bid-op==op-tl)
          if (OrderClose(OrderTicket(),NormalizeDouble (0.5*lot,2),Bid,100,Red)
             )
             continue;
              for(i = 0; i < OrdersTotal(); i++)
              {if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==true)
              {     
                if(OrderSymbol()!=Symbol()||OrderMagicNumber()!=MAGICMA)continue;// 不是要找的定单  
               
               if(OrderModify(OrderTicket(),0.5*lot,OrderClosePrice() ,OrderTakeProfit(),Orchid)==true)
               continue;;
               
               if(OrderType()==OP_SELL)
               {if(OrderOpenPrice()>ma2+L_ma1||ma2<ma1)
               {if(OrderModify(OrderTicket(),0.5*lot,ma2-L_ma1*Vpoint ,OrderTakeProfit(),Orchid)==true)
               continue;
               }
               }
      
              }
              }
             
        return;
     
       }
       }
       
       
       
       }
       
//+-----------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
//--- check for history and trading
   if(Bars<200 || IsTradeAllowed()==false)
      return;
//--- calculate open orders by current symbol
   if(CalculateCurrentOrders(Symbol())==0) CheckForOpen();
   else                                    CheckForClose();
 
   }
  int Fun_Error(int Error)                        // 处理运行错误的函数  
  {  
   switch(Error)  
     {                                          // 非致命错误  
      case  4: Alert("Trade server is busy. Trying once again..");  
         Sleep(3000);                           // 简单处理  
         return(1);                             // 退出函数  
      case 135:Alert("Price changed. Trying once again..");  
         RefreshRates();                        // 更新数据  
         return(1);                             // 退出函数  
      case 136:Alert("No prices. Waiting for a new tick..");  
         while(RefreshRates()==false)           // 等待新报价  
            Sleep(1);                           // 暂停  
         return(1);                             // 退出函数  
      case 137:Alert("Broker is busy. Trying once again..");  
         Sleep(3000);                           // 简单处理Simple solution  
         return(1);                             // 退出函数  
      case 146:Alert("Trading subsystem is busy. Trying once again..");  
         Sleep(500);                            // 简单处理  
         return(1);                             // 退出函数  
         // Critical errors  
      case  2: Alert("Common error.");  
         return(0);                             // 退出函数   
      case 133:Alert("Trading forbidden.");  
         return(0);                             // 退出函数  
      case 134:Alert("Not enough money to execute operation.");  
         return(0);                             // 退出函数  
      default: Alert("Error occurred: ",Error);  // 其他错误  
         return(0);                             // 退出函数  
     }  
  }  
  
//+------------------------------------------------------------------+

[shazi2002]

 if(ma1<ene1_dn&&macd<0&&bid<ma2<ene2_dn&&stoploss_s<Maximum_TP*Vpoint)
     {
      res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,100,ma2-bid+vspread+L_ma1*Vpoint,0,"",MAGICMA,0,Red);
      
      return;
   
     }

改进 if(ma1<ene1_dn&&macd<0&&bid<ma2<ene2_dn&&stoploss_s<Maximum_TP*Vpoint)

     {    

      res=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,100,ma2-bid+vspread+L_ma1*Vpoint,0,"",MAGICMA,0,Red);
      

      if(res>0)
           {
            if(OrderSelect(res,SELECT_BY_TICKET,MODE_TRADES))
               Print("SELL order opened : ",OrderOpenPrice());
           }
         else
            Print("Error opening SELL order : ",GetLastError());
      return;
   
     }

看提示的错误代码，参考 https://docs.mql4.com/cn/constants/errorswarnings/errorcodes