string(240) "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%82%E4%B8%8E%E5%9B%A2%E8%B4%AD%E6%8E%A8%E5%B9%BF => Failed to connect to 101.89.143.195 port 38109: Connection refused"
怎么参与团购推广
