string(233) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9F%A5%E8%AF%A2%E6%89%8B%E6%9C%BAimei%E5%8F%B7%E6%96%B9%E6%B3%95 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
查询手机imei号方法
