string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%89%E7%99%BB%E4%B8%BA%E5%95%A5%E8%B7%9F%E7%BE%8E%E5%9B%BD%E5%B9%B2 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
拉登为啥跟美国干
