Created by: pkuyym
Resolves https://github.com/PaddlePaddle/Paddle/issues/9278 Resolves https://github.com/PaddlePaddle/DeepSpeech/issues/184
Created by: pkuyym
Resolves https://github.com/PaddlePaddle/Paddle/issues/9278 Resolves https://github.com/PaddlePaddle/DeepSpeech/issues/184