请老师把我的强弱指标横轴：0.20.50.80.100线加粗黄色LC := REF(CLOSE,1);
BACKGROUNDSTYLE(1);
RSI1:SMA(MAX(CLOSE-LC,0),4,1)/SMA(ABS(CLOSE-LC),4,1)*100;
RSI2:SMA(MAX(CLOSE-LC,0),13,1)/SMA(ABS(CLOSE-LC),13,1)*100;
RSI3:SMA(MAX(CLOSE-LC,0),20,1)/SMA(ABS(CLOSE-LC),20,1)*100;
REFLINE:0,20,50,80,100;
（来源：文华财经）
