I can't update or install new module

when I update ,give me the following messages

Please wait while module actions are performed

Upgrading userman to 12.0.27 from track stable
Downloading userman 0 of 45185 (0%)

Error(s) downloading userman:
Error opening http ://mirror1.freepbx.org/modules/packages/userman/userman-12.0.27.tgz.gpg for reading

(freepbx version 12.0.76.2, DNS server is right and I can wget upon link at ssh CLI,now I must update manualy , wget the file to /var/www/html/admin/modules/_cache)