“31a05d3efdd240d373c37d65a730210e182f02fb”上不存在“...fluid/tests/git@gitcode.net:paddlepaddle/Paddle.git”
* add cross_entropy to nn/layer and nn/functional, test=develop * use functional/cross_entropy in layer/CrossEntropy * use functional/cross_entropy in layer/CrossEntropy, test=develop