标题：新手请教！

N1:=ma(c,5);
N2:=ma(c,23);
N3:=ma(c,60);

KD:=n1>n2 and n2>n3;
PD:=CROSS(n2,n1);       
KK:=n1<n2 and n2<n3;       
PK:=CROSS(n1,n2);        

平空:SELLSHORT(PK,1,THISCLOSE);                 
开多:BUY(KD AND HOLDING=0,1,THISCLOSE);        
平多:SELL(PD,1,THISCLOSE);                      
开空:BUYSHORT(KK AND HOLDING=0,1,THISCLOSE);   

应用于图时是一条直线,请教如何处理?