主题：帮忙看一下这个模型有什么问题

LONG:=TIME>012500 AND N=0 AND HOLDING=0 AND TIME<032500;
  //开仓条件
IF LONG AND HIGH>HH  THEN
  BEGIN
  BUY(1,1,LIMITR,HH+NOFFSET*MINDIFF),IGNORECHECKPRICE;
  N:=N+1;
END
IF LONG AND LOW<LL THEN
  BEGIN
   BUYSHORT(1,1,LIMITR,LL-NOFFSET*MINDIFF),IGNORECHECKPRICE;
  N:=N+1;
END
  //平仓条件
IF TIME0>=timetot0(closetime(0))-60*5 AND M=0 THEN
  BEGIN
   SELL(HOLDING>0,0,LIMITR,OPEN-NOFFSET*MINDIFF),IGNORECHECKPRICE;
   SELLSHORT(HOLDING<0,0,LIMITR,OPEN+NOFFSET*MINDIFF),IGNORECHECKPRICE;
   M:=M+1;
END