KeyError: 'exploration_worker_difference'

[HHY1123]

four-rooms中，if name== 'main':

AGENTS = [A3C] #DIAYN] # DDQN] #SNN_HRL] #, DDQN]
trainer = Trainer(config, AGENTS)
trainer.run_games_for_agents()

调用A3C算法，报错：File "D:\Pycharm\test\Deep-Reinforcement-Learning-Algorithms-with-PyTorch-master\agents\actor_critic_agents\A3C.py", line 98, in init
self.exploration_worker_difference = self.config.hyperparameters["exploration_worker_difference"]
KeyError: 'exploration_worker_difference'