Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX AVX2

 Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX AVX2

能运行，不影响

去掉该警告方法：

import os
os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2'

此问题解释及解决方法：https://stackoverflow.com/questions/47068709/your-cpu-supports-instructions-that-this-tensorflow-binary-was-not-compiled-to-u