WARNING: tensorflow: This model was compiled with a Keras optimizer (<tensorflow.python.keras.optimizers.Adam object at 0xb26b95f60>) but is being saved in TensorFlow format with save_weights. The model’s weights will be saved, but unlike with TensorFlow optimizers in the TensorFlow format the optimizer’s state will not be saved.

Consider using a TensorFlow optimizer from tf.train.

请问怎么解决这个错？
谢谢