引用自 CTX：

Alright there are 3 things that were borken by recent csgo updates:

1) Crocodile is unkillable, to fix this, type !load to the chat, then mp_restartgame 1 to the console, and jump into [4] checkpoint

2) Alvin is unkillable in 5th chapter, to fix this, meet Alvin first, until you stuck in "QTE" animation
type ♥♥♥♥youctx to the chat,
type NOSUFFER to the chat,
type this line to the console:
sv_cheats 1;ent_fire @cs9 runscriptcode "Next()";sv_cheats 0

3) Boss is invisible at the end, to fix this, start the boss fight, then:
type ♥♥♥♥youctx to the chat,
type NOSUFFER to the chat,
type this line to the console:
sv_cheats 1;ent_fire enemy0 runscriptcode "Death()";sv_cheats 0