string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E6%9C%8B%E5%8F%8B%E6%80%BB%E6%98%AF%E7%A6%BB%E6%88%91%E8%80%8C%E5%8E%BB => Received HTTP code 403 from proxy after CONNECT"
为什么朋友总是离我而去
