请哪位大虾修改一下！　[金字塔]

中枢高:PLOYLINE(DISP=2,REF(ZSD,BARSLAST(TJ8))),CIRCLEDOT,COLORLIRED;
中枢低:PLOYLINE(DISP=2,REF(ZSG,BARSLAST(TJ8))),CIRCLEDOT,COLORLIGREEN;
中枢最高:PLOYLINE(DISP=2,REF(ZSH,BARSLAST(TJ8))),POINTDOT,COLORRED;
中枢最低:PLOYLINE(DISP=2,REF(ZSL,BARSLAST(TJ8))),POINTDOT,COLORGREEN;
趋势高:PLOYLINE(DISP=3,ZIG(1,K*N1)),COLORLIBLUE;
趋势低:PLOYLINE(DISP=3,ZIG(2,K*N2)),COLORLIBLUE;

错误提示：函数PLOYLINE未定义