good afternoon. February 26th update&BUG fix

Regarding the content of this update:

Bug fix:
1. Fix the issue where some maps cannot click on the settings when opening the menu.
2. Fixed a major bug in Chapter 3 where the map could be displayed by simply going back.
3. Fixed the bug where the prologue and Shiina entered the maze separately, causing text repetition and a black screen.
4. Fixed lighting issues in the prologue section.

Optimization and Content Update:
1. Optimized the display effect of Xiyin's portrait portrait (omitted in the last update).
2. Optimized the introductory text.
3. Slightly increased the difficulty of entering the true ending (really slightly, the impact is not significant).
4. Optimized the presentation of some CG details.