string(261) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=1919%E5%B9%B4%E4%B8%AD%E5%9B%BD%E6%8B%92%E7%BB%9D%E7%AD%BE%E5%AD%97%E5%90%8E%E6%9E%9C%E6%98%AF%E4%BB%80%E4%B9%88 => Received HTTP code 403 from proxy after CONNECT"
1919年中国拒绝签字后果是什么
