1. First, you can not use 127.0.0.1 and localhost,
2. mobile phones and computers to be on the same LAN
3. To turn off the firewall, before this has always been to pit, it was closed before the win10 do not know how it's going to open again for a long pit
Later, I visited a colleague's computer can not access a Java background, immediately think of a firewall problem (mainly on the Java familiar to know did not have a problem), turn off the firewall, test, flew OK!