D:\14595\anaconda3\lib\site-packages\sklearn\base.py:439: UserWarning: X does not have valid feature names, but RandomForestRegressor was fitted with feature names warnings.warn(如何将上述warning忽略

可以使用Python的warning模块来忽略这个warning。可以在代码文件的开头添加以下代码：

import warnings
warnings.filterwarnings("ignore", message="X does not have valid feature names")

这样就可以忽略这个warning了。