sdr和hdr哪个清晰网!
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%B8%85%E6%99%B0 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
sdr和hdr哪个清晰网!