GetRecords: market not ready

simnow模拟商品期货

while(true){  
Sleep(7900); 
Log(exchange.GetAccount());    
var ticker = exchange.GetTicker()
var records = exchange.GetRecords()
Log(ticker)
Log(records)

GetAccount账户信息能拿到 但是ticker、records 拿不到

跪求大佬求解