V0.2.1 Update Notes

Additions
Added several treasures;
Added several battle battlefields;
Added rules for automatic fire extinguishing after the city was occupied;
Optimization
Optimized the appearance probability of offspring and promotion;
Optimized the appearance location of some generals;
Optimized the location of Maicheng;
Optimized the battle battlefield operation;
Optimized the power relationship of generals in the script;
Repairs
Repaired the problem that the number of troops was not reset after the bandit camp was conquered;
Repaired the problem of abnormal fast battle experience;