string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8F%91%E8%86%9C%E6%80%8E%E4%B9%88%E4%BD%BF%E7%94%A8%E6%AD%A3%E7%A1%AE => Failed to connect to 61.171.74.35 port 38027: Connection refused"
发膜怎么使用正确
