string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%89%8B%E6%9C%BA%E8%AE%BE%E7%BD%AE%E5%AE%B6%E9%87%8C%E8%B7%AF%E7%94%B1%E5%99%A8%E9%98%B2%E6%AD%A2%E8%B9%AD%E7%BD%91 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
手机设置家里路由器防止蹭网
