/*backtest
start: 2024-01-05 09:00:00
end: 2024-06-06 22:51:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Futures_CTP","currency":"FUTURES"}]
args: [["symbol","sc888,i888"]]
*/

function main() {

    $.CTA(symbol, function(st) {