string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E5%8F%AF%E4%BB%A5%E8%B5%9A%E9%92%B1%E5%BF%AB%E7%82%B9 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
怎么可以赚钱快点
