string(230) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E7%94%A8%E6%89%8B%E6%9C%BA%E9%98%B2%E6%AD%A2%E8%B9%AD%E7%BD%91 => Received HTTP code 403 from proxy after CONNECT"
如何用手机防止蹭网
