string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%96%AB%E6%83%85%E6%9C%9F%E9%97%B4%E7%A6%BB%E6%A0%A1%E4%BC%9A%E6%80%8E%E4%B9%88%E5%A4%84%E7%90%86 => Received HTTP code 403 from proxy after CONNECT"
疫情期间离校会怎么处理
