fix

main.py

@@ -102,7 +102,7 @@ trainer_args.add_argument('--epochs', '-e', type=int, default=200,
     help='the number of epochs')
 trainer_args.add_argument('--obs-epochs', '-oe', type=int, default=5,
     help='the number of sub epochs for observation stage')
-trainer_args.add_argument('--batch-size', '-bs', type=int, default=128,
+trainer_args.add_argument('--batch-size', '-bs', type=int, default=32,
     help='input batch size for training (default: 128)')
 trainer_args.add_argument('--eval-batch-size', '-ebs', type=int, default=32,
     help='input batch size for evaluation (default: 32)')