string(251) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A4%96%E5%9B%BD50%E4%BD%8D%E8%91%97%E5%90%8D%E4%BD%9C%E5%AE%B6%E6%98%AF%E8%B0%81 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
外国50位著名作家是谁
