string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%87%E8%89%BA%E9%9D%92%E5%B9%B4%E7%9A%84%E9%80%9A%E7%97%85 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
文艺青年的通病
