string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3%E7%84%A6%E8%99%91%E8%8B%B1%E8%AF%AD => Failed to connect to 101.89.159.206 port 38187: Connection refused"
如何解决焦虑英语
