string(266) "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%E6%97%A9%E6%9C%9F%E5%89%A7%E4%BD%9C%E7%9A%84%E4%B8%A4%E5%A4%A7%E5%88%9B%E4%BD%9C%E4%B8%BB%E9%A2%98 => Received HTTP code 403 from proxy after CONNECT"
田汉早期剧作的两大创作主题
