string(225) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E9%80%A0%E7%9C%9F%E9%A2%98%E7%AD%94%E6%A1%882022%E8%A1%A5%E8%80%83 => Received HTTP code 403 from proxy after CONNECT"
一造真题答案2022补考
