改变开始衰减的轮数

main.py

@@ -20,7 +20,7 @@ train_dataset_generator = GetDatasetGenerator('./datasets', 'train')
 train_dataset = ds.GeneratorDataset(train_dataset_generator, ["data", "label"], shuffle=True)
 train_dataset = train_dataset.batch(4, drop_remainder=True)
 
-lr_iter = exponential_lr(3e-5, 20, 0.98, 500, staircase=True)
+lr_iter = exponential_lr(3e-5, 100, 0.98, 500, staircase=True)
 
 net_loss = SoftmaxCrossEntropyLoss(6, 255)
 net_opt = nn.Adam(net.trainable_params(), learning_rate=lr_iter)