string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A5%BD%E6%9C%8B%E5%8F%8B%E4%B9%8B%E9%97%B4%E8%B6%8A%E6%9D%A5%E8%B6%8A%E7%96%8F%E8%BF%9C => Failed to connect to 14.18.117.71 port 38093: Connection refused"
好朋友之间越来越疏远
