string(239) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%A7%89%E5%BE%97%E6%9C%8B%E5%8F%8B%E4%B9%8B%E9%97%B4%E8%B6%8A%E6%9D%A5%E8%B6%8A%E8%BF%9C => Received HTTP code 403 from proxy after CONNECT"
觉得朋友之间越来越远
