string(266) "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%E7%9A%84%E8%B7%9D%E7%A6%BB%E8%B6%8A%E6%9D%A5%E8%B6%8A%E8%BF%9C%E4%BA%86 => Received HTTP code 403 from proxy after CONNECT"
感觉和朋友的距离越来越远了
