string(256) "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%E5%8D%96%E7%9A%84%E4%BE%BF%E5%AE%9C%E6%98%AF%E5%81%87%E8%B4%A7%E4%B9%88 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
代购卖的便宜是假货么
