string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B0%E6%B1%89%E5%89%8D%E6%9C%9F%E4%B8%BB%E8%A6%81%E4%BD%9C%E5%93%81%E6%98%AF%E4%BB%80%E4%B9%88 => Received HTTP code 403 from proxy after CONNECT"
田汉前期主要作品是什么
