string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%94%B9%E5%8F%98%E8%87%AA%E6%88%91%E7%9A%84%E7%9F%AD%E5%8F%A5 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
改变自我的短句
