咨询内容：

修改成博易大师指标

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);MA13:MA(C,13),COLORWHITE;MA60:MA(C,60),COLORRED; TY:=C;
A1:=REF(TY,10)=HHV(TY,2*10+1); B1:=FILTER(A1,10); C1:=BACKSET(B1,10+1); HD:=FILTER(C1,10);
A2:=REF(TY,10)=LLV(TY,2*10+1); B2:=FILTER(A2,10); C2:=BACKSET(B2,10+1); LD:=FILTER(C2,10);
前期高位:REF(C,BARSLAST(HD)),COLOR00FF00,POINTDOT;DRAWTEXT_FIX(ISLASTBAR,0.1,0,0,STKNAME),COLORMAGENTA,
LINETHICK3;