string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E7%BB%9C%E5%92%8C%E7%8E%B0%E5%AE%9E%E9%83%BD%E6%B2%A1%E6%9C%89%E6%9C%8B%E5%8F%8B => Failed to connect to 101.89.117.144 port 38076: Connection refused"
网络和现实都没有朋友
