请帮我看看个语句有语法问题吗?为什么不能显示买卖信号?刚才上面的建议不凑效
BUY(SJ AND KC AND HOLDING<=3 AND DT AND CROSS(S1,Z1) ,1 ,LIMITR,CLOSE);
BUYSHORT(SJ AND KC AND HOLDING=3 AND KT AND CROSS(Z1,S1) ,1 ,LIMITR,CLOSE);
SELL(TIME>151330 OR ( KJ<=10 AND CROSS(LOWER,CLOSE)) ,0 ,THISCLOSE );
SELLSHORT(TIME>151330 OR (KJ<=10 AND CROSS(CLOSE,UPPER)) ,0 ,THISCLOSE );
SELL(TIME>151330 OR ( KJ>10 AND CROSS(MID,CLOSE)) ,0 ,THISCLOSE );
SELLSHORT(TIME>151330 OR ( KJ>10 AND CROSS(CLOSE,MID)) ,0 ,THISCLOSE );
cond1:
SJ AND KC AND HOLDING<=3 AND DT AND CROSS(S1,Z1) ;cond2:SJ AND KC AND HOLDING=3 AND KT AND CROSS(Z1,S1);
输出下 看下是条件是否达成 sell语句也是一样