string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%97%B2%E9%B1%BC%E4%B9%B0%E4%B8%9C%E8%A5%BF%E6%98%AF%E7%9B%B4%E6%8E%A5%E4%BB%98%E6%AC%BE%E5%90%97 => Received HTTP code 403 from proxy after CONNECT"
闲鱼买东西是直接付款吗
