请问如何获取字符串数组里的字符串？以下操作请问哪里出了问题，谢谢

Array mysombol(["cu888.SHFE","al888.SHFE","zn888.SHFE","ni888.SHFE","ao888.SHFE"])
Commentary("mysombol["+text(2)+"] = " + Text(mysombol[2]));