as you see when I install gr-osmosdr in port,there are some errors

[YimeiCan]

[Users/fly] > install gr-osmosdr ---> Computing dependencies for gr-osmosdr The following dependencies will be installed:

SDRplay SoapySDR airspy bladeRF gr-fcdproplus hackrf rtl-sdr tecla

Continue? [Y/n]: y ---> Fetching archive for SDRplay Warning: Your DNS servers incorrectly claim to know the address of nonexistent hosts. This may cause checksum mismatches for some ports. See this page for more information: <​https://trac.macports.org/wiki/MisbehavingServers> ---> Attempting to fetch SDRplay-2.10.3_0.darwin_16.x86_64.tbz2 from ​https://pek.cn.packages.macports.org/macports/packages/SDRplay ---> Attempting to fetch SDRplay-2.10.3_0.darwin_16.x86_64.tbz2.rmd160 from ​https://pek.cn.packages.macports.org/macports/packages/SDRplay ---> Installing SDRplay @2.10.3_0 ---> Activating SDRplay @2.10.3_0 ---> Cleaning SDRplay ---> Fetching archive for SoapySDR ---> Attempting to fetch SoapySDR-0.6.0_0.darwin_16.x86_64.tbz2 from ​https://pek.cn.packages.macports.org/macports/packages/SoapySDR ---> Attempting to fetch SoapySDR-0.6.0_0.darwin_16.x86_64.tbz2.rmd160 from ​https://pek.cn.packages.macports.org/macports/packages/SoapySDR ---> Installing SoapySDR @0.6.0_0 ---> Activating SoapySDR @0.6.0_0 ---> Cleaning SoapySDR ---> Fetching archive for airspy ---> Attempting to fetch airspy-20170504_0.darwin_16.x86_64.tbz2 from ​https://pek.cn.packages.macports.org/macports/packages/airspy ---> Attempting to fetch airspy-20170504_0.darwin_16.x86_64.tbz2.rmd160 from ​https://pek.cn.packages.macports.org/macports/packages/airspy ---> Installing airspy @20170504_0 ---> Activating airspy @20170504_0 ---> Cleaning airspy ---> Fetching archive for tecla ---> Attempting to fetch tecla-1.6.3_0.darwin_16.x86_64.tbz2 from ​https://pek.cn.packages.macports.org/macports/packages/tecla ---> Attempting to fetch tecla-1.6.3_0.darwin_16.x86_64.tbz2.rmd160 from ​https://pek.cn.packages.macports.org/macports/packages/tecla ---> Installing tecla @1.6.3_0 ---> Activating tecla @1.6.3_0 ---> Cleaning tecla ---> Fetching archive for bladeRF ---> Attempting to fetch bladeRF-20170809_0+tecla.darwin_16.x86_64.tbz2 from ​https://pek.cn.packages.macports.org/macports/packages/bladeRF ---> Attempting to fetch bladeRF-20170809_0+tecla.darwin_16.x86_64.tbz2.rmd160 from ​https://pek.cn.packages.macports.org/macports/packages/bladeRF ---> Installing bladeRF @20170809_0+tecla ---> Activating bladeRF @20170809_0+tecla ---> Cleaning bladeRF ---> Fetching archive for gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-20170602_0.darwin_16.x86_64.tbz2 from ​https://pek.cn.packages.macports.org/macports/packages/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-20170602_0.darwin_16.x86_64.tbz2 from ​http://kmq.jp.packages.macports.org/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-20170602_0.darwin_16.x86_64.tbz2 from ​http://mse.uk.packages.macports.org/sites/packages.macports.org/gr-fcdproplus ---> Fetching distfiles for gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://kmq.jp.distfiles.macports.org/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://cjj.kr.distfiles.macports.org/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://mse.uk.distfiles.macports.org/sites/distfiles.macports.org/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://nou.nc.distfiles.macports.org/pub/macports/distfiles.macports.org/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​https://distfiles.macports.org/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://sea.us.distfiles.macports.org/macports/distfiles/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://aarnet.au.distfiles.macports.org/pub/macports/distfiles/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://ykf.ca.distfiles.macports.org/MacPorts/mpdistfiles/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://fco.it.distfiles.macports.org/mirrors/macports-distfiles/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://nue.de.distfiles.macports.org/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://lil.fr.distfiles.macports.org/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://ywg.ca.distfiles.macports.org/mirror/macports/distfiles/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://jog.id.distfiles.macports.org/macports/distfiles/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://jnb.za.distfiles.macports.org/distfiles/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​https://github.com/dl1ksv/gr-fcdproplus/tarball/21db73628f10f5817b18211819a1ba9ccca4d0aa ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://her.gr.distfiles.macports.org/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​http://osl.no.distfiles.macports.org/gr-fcdproplus ---> Attempting to fetch gr-fcdproplus-21db73628f10f5817b18211819a1ba9ccca4d0aa.tar.gz from ​https://pek.cn.distfiles.macports.org/macports/distfiles/gr-fcdproplus Error: Failed to fetch gr-fcdproplus: The requested URL returned error: 404 Not Found Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_gr-fcdproplus/gr-fcdproplus/main.log for details. Error: Follow ​https://guide.macports.org/#project.tickets to report a bug. Error: Processing of port gr-osmosdr failed