update readme

README.md

@@ -653,7 +653,7 @@ BQ Corpus (Bank Question corpus) is a Chinese corpus for sentence semantic equiv
 
 ### Install PaddlePaddle
 
-This code base has been tested with Paddle Fluid 1.5.1 under Python2.
+This code base has been tested with Paddle Fluid 1.6 with Python 2/3.5+, since Paddle 1.6 has changed some of APIs, using version before 1.6 might have bug on NER tasks.
 
 **\*Important\*** When finished installing Paddle Fluid, remember to update LD_LIBRARY_PATH about CUDA, cuDNN, NCCL2, for more information on paddlepaddle setup, you can click [here](http://en.paddlepaddle.org/documentation/docs/en/1.5/beginners_guide/index_en.html) and [here](http://en.paddlepaddle.org/documentation/docs/en/1.5/beginners_guide/install/install_Ubuntu_en.html). Also, you can read FAQ at the end of this document when you encounter errors.
 

README.zh.md

@@ -689,7 +689,7 @@ ERNIE Tiny轻量级模型在公开数据集的效果如下所示，任务均值
 
 ## PaddlePaddle安装
 
-本项目依赖于 Paddle Fluid 1.5，* 暂时不支持Paddle 1.6的使用 *，请参考[安装指南](http://www.paddlepaddle.org/#quick-start)进行安装。
+本项目依赖于 Paddle 1.6，* 由于Paddle 1.6版本相比之前版本有较大API改动，使用Paddle 1.6以前版本运行本代码库会导致序列标注等任务报错 *，请参考[安装指南](http://www.paddlepaddle.org/#quick-start)进行安装。
 
 **【重要】安装后，需要及时的将 CUDA、cuDNN、NCCL2 等动态库路径加入到环境变量 LD_LIBRARY_PATH 之中，否则训练过程中会报相关的库错误。具体的paddlepaddle配置细节请查阅[这里](http://en.paddlepaddle.org/documentation/docs/zh/1.5/beginners_guide/quick_start_cn.html)**