工具-》選項-》常規 多分鐘線數寫3分

mid_3:stkindi('','boll.mid',0,11,-1);
upper_3:stkindi('','boll.upper',0,11,-1);
lower_3:stkindi('','boll.lower',0,11,-1);

aa:cross(upper_3,l) and o>c;