string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=p%E5%9B%BE%E7%94%A8%E5%95%A5%E8%BD%AF%E4%BB%B6%E5%A5%BD%E4%B8%80%E7%82%B9 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
p图用啥软件好一点
