string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=windows%E6%89%93%E5%BC%80%E6%9C%8D%E5%8A%A1%E7%AE%A1%E7%90%86%E7%95%8C%E9%9D%A2 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
windows打开服务管理界面
