bug fixed

strategy3.js

@@ -50,22 +50,17 @@ class Strategy3 {
       let amount = result[7];
       let returnAmount = result[8];
       // console.log({buyRemark, sellRemark, returnRemark});
+      const sellSymbol = this.collector.getSymbol(midCurrency, baseCurrency2);
       const sellDelay = endTime - this.collector.getSymbolEventTime(sellSymbol);
       if(this._logDelay()){
         const buySymbol = this.collector.getSymbol(baseCurrency1, midCurrency);
-        const sellSymbol = this.collector.getSymbol(midCurrency, baseCurrency2);
         const buyDelay = endTime - this.collector.getSymbolEventTime(buySymbol);
         console.log('买入交易对延迟：' + buyDelay + " 卖出交易对延迟：" + sellDelay);
-        // if(buyDelay> 5000 || sellDelay > 5000){
-        //   console.log('延时过大，放弃该轮交易');
-        //   return false;
-        // }
       }
       if(sellDelay > 5000){
           console.log('延时过大，放弃该轮交易');
           return false;
       }
-
       const service = this.service;
       let savedRecord = null;
       const finishedOrders = [];