string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9B%9B%E8%89%B2%E7%AC%94%E8%AE%B0%E6%9C%89%E7%94%A8%E5%90%97 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
四色笔记有用吗
