string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BB%A3%E8%B4%AD%E6%98%AF%E6%80%8E%E4%B9%88%E6%8C%A3%E9%92%B1%E7%9A%84 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
代购是怎么挣钱的
