paddle导包成功,无法使用

Traceback (most recent call last):
File "D:\Pycharm\Pycharm\fruit.py", line 276, in
paddle.save(model.state_dict(), train_parameters["checkpoints"] + "/" + "save_dir_final.pdparams")
File "C:\Users\hzx\AppData\Local\Programs\Python\Python310\lib\site-packages\paddle\framework\io.py", line 816, in save
_pickle_save(obj, f, protocol)
File "C:\Users\hzx\AppData\Local\Programs\Python\Python310\lib\site-packages\paddle\framework\io.py", line 348, in _pickle_save
pickler.dump(obj)
TypeError: cannot pickle 'paddle.fluid.libpaddle.BlockDesc' object
如何解决此问题

路径是否正确