实盘报错,请看下什么原因,谢谢!报错信息部分如下: 查询合约服务 query ($future:Class,$index:Class,$option:Class,$combine:Class,$con t:Class,$exSHFE:String,$exDCE:String,$exCZCE:String,$exINE:String,$exCFFEX:Strin g,$exKQ:String){SHFEfuture:symbol_info(class:$future,exchange_id:$exSHFE){...