N:=15;T:=LLVBARS(L,N);HT:=HHVBARS(H,N);TT:=BARSLAST(T=0);XG:=T=0 AND REF(TT,1)<20>REF(L,REF(TT,1));XGT:=BARSLAST(XG);QF:=BACKSET(XG=1,HT+1);QFT:=BARSLAST(OSS(QF=1,0.5));DRAWLINE(QFT=0,H,XG,L,0),COLORYELLOW;QF1:=BACKSET(QFT=0,TT+1);QF1T:=BARSLAST(CROSS(QF1=1,0.5));DRAWLINE(QF1T=0,L,QFT=0,H,0),COLORYELLOW;STICKLINE(QF1T=0,C,O,1.8,0),COLORWHITE;STICKLINE(QF1T=0,H,L,0,0),COLORWHITE;DRAWTEXT(QF1T=0,H*1.02,VARCAT(VARCAT('第一底价',VAR2STR(REF(L,QF1T),2)),'元'))COLORYELLOW;STICKLINE(XG,C,O,1.8,0),COLORWHITE