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%E8%B5%9A%E5%A4%9A%E5%B0%91%E9%92%B1%E5%90%88%E9%80%82 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
代购赚多少钱合适
