ner 模型多机实现 pserver模式，夯住
Created by: ccmeteorljh
paddle_version : 1.3 models 代码库： https://github.com/PaddlePaddle/models/tree/develop/fluid/PaddleNLP/sequence_tagging_for_ner
Created by: ccmeteorljh
paddle_version : 1.3 models 代码库： https://github.com/PaddlePaddle/models/tree/develop/fluid/PaddleNLP/sequence_tagging_for_ner