带宽的单位mbs网!
string(214) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B8%A6%E5%AE%BD%E7%9A%84%E5%8D%95%E4%BD%8Dmbs => Failed to connect to 14.116.215.7 port 38230: Connection refused"
带宽的单位mbs网!