bug fix
1. Fix Zhang Fei's exclusive skill 'Unrivaled Braver' to penetrate the enemy's damage free effect.
2. Fixed the issue where the anti explosion effect of the treasure 'White Silver Armor' sometimes does not take effect.
3. Fixed the white screen issue caused by the upgrade error of 6 new characters.
4. Fix the terrain display error in Chapter 3.
5. The attributes provided by Guan Ping's exclusive skill 'Immovable Mountain' can exceed the limit.