string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%89%E4%BA%9B%E4%BA%BA%E7%A6%BB%E5%BE%97%E8%B6%8A%E8%BF%9C%E8%B6%8A%E5%A5%BD => Failed to connect to 14.18.117.71 port 38041: Connection refused"
有些人离得越远越好
