咨询内容：

修改成主图指标谢谢大师

买线:=EMA(C,2);
卖线:=EMA(SLOPE(C,21)*20+C,42);
STICKLINE(买线>=卖线,REFDATE(HHV(H,0),DATE),REFDATE(LLV(L,0),DATE),6,0),COLOR001050;
STICKLINE(买线<卖线,refdate(hhv(h,0),date),refdate(llv(l,0),date),6,0),color404050;>
DRAWKLINE(H,O,L,C);
指导:=EMA((EMA(CLOSE,4)+EMA(CLOSE,6)+EMA(CLOSE,12)+EMA(CLOSE,24))/4,2);
界:=MA(CLOSE,27);
B买:IF(CROSS(指导,界) OR CROSS(买线,卖线),C,DRAWNULL),COLORMAGENTA,NODRAW;
持仓:IF(买线>=卖线,C,DRAWNULL),COLORRED,NODRAW;
S卖:IF(CROSS(界,指导) OR CROSS(卖线,买线),C,DRAWNULL),COLORLIGRAY,NODRAW;
空仓:IF(买线<卖线,c,drawnull),colorgreen,nodraw;>
DRAWICON(CROSS(买线,卖线),L,1);
DRAWICON(CROSS(卖线,买线),H,2);