string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%84%9F%E8%A7%89%E5%92%8C%E6%9C%8B%E5%8F%8B%E8%B6%8A%E6%9D%A5%E8%B6%8A%E8%BF%9C => Failed to connect to 14.18.117.71 port 38220: Connection refused"
感觉和朋友越来越远
