1.TMP2:=STD(CLOSE,M);//求M個周期內的收盤價的標準差

 2.

BB:(C-BOTTOM)/(TOP-BOTTOM);

BB的數值太小，導致的K線被壓縮，可以按下面修改，只顯示數值，不顯示畫線 

MID:MA(CLOSE,N);

TMP2:=STD(CLOSE,M);

TOP:MID+P*TMP2;

BOTTOM:MID-P*TMP2;

BB:(C-BOTTOM)/(TOP-BOTTOM),NODRAW;