2018.12.22 Update log

Saving mechanism optimization, it is now possible to read a saving anywhere (the old version of the saving will not be available)
Can modify the saving name
Can modify city, hero, unit name
Optimized the unit's pathfinding logic
Optimized in-game music
Optimized the guard model of the hero who is good at cavalry
Increased the frequency of barbarian refreshes
Increased the value of some units
Optimized the order of city’s occupation of land and does not require repeated exploration
Fixed a bug where the city name was empty
Repair logistics service replenishment speed
Fix the wrong event text
Fixed the bug in the production line error