string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%81%9A%E6%89%8B%E6%B7%98%E6%90%9C%E7%B4%A2%E6%B5%81%E9%87%8F%E6%AD%A5%E9%AA%A4 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
做手淘搜索流量步骤
