update GameMaster
merge with fusijie/master
Merge branch 'master' of github.com:fusijie/FantasyWarrior3D
optimized GameMaster.
Merge commit '4fbecd87d03611c669d291d51fb8dac8a5c58599'
Merge branch 'master' of github.com:fusijie/FantasyWarrior3D