可以方便在个股页面对比大盘走势。两个副图中一个有均线，一个无均线
DRAWKLINE("999999$H","999999$O","999999$L","999999$C");
上证:"999999$C",COLORWHITE,NODRAW;
_±:"999999$C"-REF("999999$C",1),COLORLIGRAY,NODRAW;
M5:MA("999999$C",5),COLORWHITE;
M10:MA("999999$C",10),COLORYELLOW;
M20:MA("999999$C",20),COLORMAGENTA;
M60:MA("999999$C",60),COLORGREEN;
