没装forge吧。1.12.2和1.12.2forge是两个版本，要加forge的。或者说就是我的世界\休闲娱乐这个模组有问题
- [12:19:14] [main/WARN]: Mixin config mixins.renderlib.json requires mixin subsystem version 0.8 but 0.7.11 was found. The mixin config will not be applied.
- Exception in thread "main" org.spongepowered.asm.launch.MixinInitialisationError: Required mixin config mixins.renderlib.json requires mixin subsystem version 0.8
尝试删除MOD renderlib