Updates

[p][/p][*][p]Adjusted the difficulty of level 3 in The Mystery of the Chinese Tombs and level 3 in Philip.[/p]
[*][p]Optimized several puzzle-solving experiences.[/p]
[*][p]Optimized some sound effects.[/p]
[*][p]Fixed the error message in level 3 of Philip.[/p]
[*][p]Fixed bugs.[/p]