网络ping多少正常网!
string(226) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E7%BB%9Cping%E5%A4%9A%E5%B0%91%E6%AD%A3%E5%B8%B8 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
网络ping多少正常网!