string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E7%BE%8E%E5%9B%BD%E6%80%BB%E7%BB%9F%E9%83%BD%E5%BE%88%E9%9A%8F%E6%84%8F => Failed to connect to 101.89.143.195 port 38205: Connection refused"
为什么美国总统都很随意
