help me!!!thank you AttributeError: 'function' object has no attribute 'register_forward_hook'

[Wud1]

Traceback (most recent call last):
File "test.py", line 156, in main
result = indicator(**test_input)
File "../code/indicator/learning_indicator/_base.py", line 93, in _call_impl
score = self.get_result(**required_inputs)
File "../code/indicator/learning_indicator/DecomCam_PP/DecomCam_PP.py", line 62, in get_result
cam = DecomCAM(model=model, target_layers=target_layers)
File "../code/indicator/learning_indicator/DecomCam_PP/pytorch_grad_cam/decom_cam.py", line 67, in init
super(DecomCAM, self).init(
File "../code/indicator/learning_indicator/DecomCam_PP/pytorch_grad_cam/grad_cam_plusplus.py", line 10, in init
super(GradCAMPlusPlus, self).init(model, target_layers,
File "../code/indicator/learning_indicator/DecomCam_PP/pytorch_grad_cam/base_cam.py", line 37, in init
self.activations_and_grads = ActivationsAndGradients(
File "../code/indicator/learning_indicator/DecomCam_PP/pytorch_grad_cam/activations_and_gradients.py", line 13, in init
target_layer.register_forward_hook(self.save_activation))
AttributeError: 'function' object has no attribute 'register_forward_hook'
Exception ignored in: <function BaseCAM.del at 0x7f8373e03ca0>
Traceback (most recent call last):
File "../code/indicator/learning_indicator/DecomCam_PP/pytorch_grad_cam/base_cam.py", line 196, in del
self.activations_and_grads.release()
AttributeError: 'DecomCAM' object has no attribute 'activations_and_grads'