http://idea.imsxm.com
http://www.furong.ml (2017.3.4 above the emergency lane Please avoid other vehicles)
Usage: Select License server is activated to fill http: // idea.imsxm.com Click to Active 
.
how-to-active: when active,type the url in License server address input box,and then press the Active button:)
Banned?create yourselfs license server[link]
https://www.imsxm.com/jetbrains-license-server.html