/*backtest start: 2024-01-03 09:00:00 end: 2024-07-01 15:00:00 period: 1d basePeriod: 1m exchanges: [{"eid":"Futures_CTP","currency":"FUTURES","depthDeep":20}] */ var lastCheckTime = null; // 记录上次检查主力合约的时间 // 判断是否为交易时间 function timeSel() {