string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A4%96%E5%9B%BD%E6%9C%80%E8%91%97%E5%90%8D%E4%BD%9C%E5%AE%B6%E6%98%AF%E8%B0%81 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
外国最著名作家是谁
