刚刚下载黑马起步指标，不能显示均线

编写要求：

Y1:=LLV(L,17);Y2:=SMA(ABS(L-REF(L,1)),17,1);Y3:=SMA(MAX(L-REF(L,1),0),17,2);Q:=-(EMA(IF(L<=Y1,Y2/Y3,-3),1));条:=IF(CROSS(Q,0),1,0),COLORYELLOW; N1:=5;N2:=10;LC:=REF(CLOSE,1);RSI5:=SMA(MAX(CLOSE-LC,0),N1,1)/SMA(ABS(CLOSE-LC),N1,1)*10,COLORFF00FF,LINETHICK1;RSI10:=SMA(MAX(CLOSE-LC,0),N2,1)/SMA(ABS(CLOSE-LC),N2,1)*10,COLOR00FFFF;VAR1:=C-REF(C,1);VAR2:=100*EMA(EMA(VAR1,6),6)/EMA(EMA(ABS(VAR1),6),6);MA5:=EMA(C,5);MA13:=EMA(C,13);UP:=DRAWLINE(L=LLV(L,BARSLAST(CROSS(MA13,MA5))+1),LLV(L,BARSLAST(CROSS(MA13,MA5))+1),H=HHV(H,BARSLAST(CROSS(MA5,MA13))+1),HHV(H,BARSLAST(CROSS(MA5,MA13))+1),0),COLOR0000FF;DOWN:=DRAWLINE(H=HHV(H,BARSLAST(CROSS(MA5,MA13))+1),HHV(H,BARSLAST(CROSS(MA5,MA13))+1),L=LLV(L,BARSLAST(CROSS(MA13,MA5))+1),LLV(L,BARSLAST(CROSS(MA13,MA5))+1),0),COLOR00FF00;BT:=(LLV(VAR2,2)=LLV(VAR2,7) AND COUNT(VAR2<0,2) AND CROSS(VAR2,MA(VAR2,2))) ANDREF(DOWN,1)REF(DOWN,1);TJ1:=REF(DOWN,1)REF(DOWN,1) AND C

解答：

 Y1:=LLV(L,17);