string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BE%8E%E5%9B%BD%E5%A4%A7%E9%80%89%E7%A5%A8%E6%95%B0%E5%8D%A0%E6%AF%94 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
美国大选票数占比
