sdr和hdr哪个更好网!
string(219) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=sdr%E5%92%8Chdr%E5%93%AA%E4%B8%AA%E6%9B%B4%E5%A5%BD => Failed to connect to 101.89.143.195 port 38205: Connection refused"
sdr和hdr哪个更好网!