if 开多条件 and 持仓判断 then begin
tbuy........;
extgbdataset('tt',timetot0(dynainfo(207)));
end
if 开空条件 and 持仓判断 then begin
tbuyshort........;
extgbdataset('tt',timetot0(dynainfo(207)));
end
if timetot0(dynainfo(207))>=extgbdata('tt')+300 then begin
tsell........;
tsellshort........;
end