请老师出手把（工作线）指标改写选股公式，出现笑脸时写一个选股指标，上涨图给老师参考。A1:=EMA(C,14)COLORWHITE,LINETHICK4;A1X:=(A1-REF(A1,1))/REF(A1,1)*100,NODRAW;出击:IF(A1X>=0,REF(EMA(C,14),BARSLAST(CROSS(A1X,0))+1),DRAWNULL)COLORRED,LINETHICK4;休假:IF(A1X<0 CROSS(0,A1X),REF(EMA(C,14),1),REF(EMA(C,14),1)*0.998,2,0)COLORWHITE,LINETHICK4;STICKLINE(ISLASTBAR,REF(EMA(C,14),1),REF(EMA(C,14),1)*0.998,5,0)COLORWHITE,LINETHICK4;工作线:=EMA(C,14);止盈线:EMA(C,7),LINETHICK1,COLORGRAY;工作区:IF(C>=工作线 AND EMA(C,14)>=EMA(C,25),工作线,DRAWNULL), COLORRED,LINETHICK4;