[求助老师帮忙加个声音 (文华财经WH6赢顺V6.7)

 AA:=MOD(DAYBARPOS,30);
HH:=BACKSET(AA=0,HHVBARS(H,30)+1);
LLL:=BACKSET(AA=0,LLVBARS(L,30)+1);
DRAWTEXT(CROSS(HH=1,0.5),H,'高'),VALIGN2,FONTSIZE20,COLORWHITE;
DRAWTEXT(CROSS(LLL=1,0.5),L,'低'),VALIGN0,FONTSIZE20,COLORWHITE;
DRAWCOLORKLINE(BARSLAST(CROSS(HH=1,0.5))<BARSLAST(CROSS(LLL=1,0.5)),COLORWHITE,0);
DRAWCOLORKLINE(BARSLAST(CROSS(HH=1,0.5))>BARSLAST(CROSS(LLL=1,0.5)),COLORRED,0);
STICKLINE1(BARSLAST(CROSS(HH=1,0.5))<BARSLAST(CROSS(LLL=1,0.5)),H,L,1,0),COLORWHITE;
STICKLINE1(BARSLAST(CROSS(HH=1,0.5))>BARSLAST(CROSS(LLL=1,0.5)),H,L,1,0),COLORRED; 

老师请帮忙在出现卖字时加个声音提示，买字就不要加了。谢谢！