string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E8%AE%A1%E7%AE%97%E9%93%B6%E8%A1%8C%E5%88%A9%E6%81%AF => Failed to connect to 14.116.215.7 port 38225: Connection refused"
怎么计算银行利息
